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Breaking Down the Labels Series – Eggs Part 1.3: Feed/Supplements and Certifiers

Last time I outlined how the chickens live, but there are also labels that talk about what they eat and with what they are supplemented. (I know, right? Man, that’s a lot of labels.) Chicken feed is primarily grain-based (corn, soy, wheat, sorghum, barley, oats), but can include animal protein like meat and bone meal, and also includes supplemental vitamins and minerals.

Vegetarian-fed eggs come from chickens that were fed a vegetarian diet. As I said before, chickens are naturally omnivores, they eat egg in hay-1meat. This is the single most mystifying label to me. Why would you feed a chicken a vegetarian diet? “It doesn’t make a lot of sense in terms of the diet of the hen,” Satrum told me. “However, the Internet has done a good job of scaring people about animal proteins. Meat and bone meal is a by-product from slaughter houses and it’s a very good product. It’s cooked, it’s cleaned, it has lots of protein, phosphorous, and calcium. If it wasn’t used as an animal feed it would probably be in a landfill somewhere. So it doesn’t make a whole lot of sense. We don’t do it for the bird; we do it because it makes the marketing easier.” You heard that right, from a third-generation chicken farmer, his answer was basically: because the Internet told them so. So how do farmers make sure these chickens get the proper nutrition from a vegetarian diet? Satrum told me they supplement with non-animal derived protein often from soybean meal and mined calcium and phosphorus. Instead of feeding the chickens an existing product that has lots of the nutrition they need, we put it in a landfill and feed them stuff we have to mine out of the earth … OK, then.

Omega-3 enriched eggs are from hens that have been fed a diet supplemented with things like flax seed, marine algae or fish meal to increase omega-3 levels. There are different types of omega-3 fatty acids, but the bottom line is that they are believed to play an important role in your health: normal blood clotting, brain function, prevention of cardiovascular disease, cancer, and some inflammatory and auto-immune diseases.   Chhatriwalla told me that several studies have shown that the supplementation of chicken feed with omega-3 fatty acids will produce eggs significantly higher in omega-3’s, some as much as a 40 fold increase. “That being said,” she said, “levels that high would not taste good due to the fishy aroma of omega-3’s.”  All eggs naturally contain about 30 mg of omega-3 per egg, supplemented eggs around 100-200 mg. The tricky part, Chhatriwalla pointed out, is that no one really knows how much omega-3 you need.  Health experts recommend one serving of omega-3 rich foods per day (around 1000 – 1500 mg).  You can get that through about a serving of fatty fish like salmon, a tablespoon of canola or soybean oil, or a handful of walnuts or ground flaxseed. You would have to eat six to seven omega-3 enriched eggs to get that requirement.

Hormone-free eggs are quite possibly the most blatantly misleading label, because there aren’t any eggs that have added hormones. The USDA does not allow the use of hormones in poultry production. This is so misleading that the FDA requires any label making claims about no added hormones include a statement that says, “Hormones are not used in the production of shell eggs” in order to prevent consumers from thinking some eggs do contain added hormones. That’s not roundabout at all…

IMG_20140628_111548178Antibiotic-free labels are also a little misleading because all eggs in the US are antibiotic free, even if they don’t say so, because by FDA regulation, any eggs produced by hens being treated with antibiotics for illness would not be sold for human consumption. “In general antibiotics are used rarely in commercial egg production, because pullets, young hens, are vaccinated for appropriate diseases and management conditions keep the vectors of disease away from the birds,” said Hermes. “Stated simply, commercial layers raised indoors rarely get sick.” He also pointed out that in organic production, any medicated birds, young or old, must be removed from the organic stream, none of their eggs can be labeled organic. I found that part particularly interesting. So what happens to the “organic” hen when she’s recovered and off antibiotics? Can she be moved to a non-organic stream? “That is what is supposed to happen,” said Hermes, “however that assumes that the organic producer has a place to put these now ‘non-organic’ birds and an outlet for non-organic eggs.  The large commercial producers with some dedicated non-organic production could do this, however the logistics are difficult in these cases. The small producer with a few dozen or even a few hundred hens may not have an outlet.  In most cases I suspect that these birds are euthanized.” That right there is a reason, in my opinion, to not buy organic or antibiotic-free eggs. If you needed a reason.

Organic eggs come from hens that have been fed an organic diet without any direct-fed animal protein (but I think they can still eat bugs if they catch them.) I’m including this in the food and supplements section because the organic feed part is the only thing that really differentiates these eggs. Certified organic eggs are verified by third-party certifiers as mandated by the National Organic Program and must also meet other requirements: they have to be cage-free, they have to have access to the outdoors (but amount, duration and quality is undefined – for example it could be a parking lot and the birds may not even use it) and the use of hormones and antibiotics are prohibited (the hormone part is redundant since it’s prohibited in all poultry production, organic or not.) We’ve already discussed all those other elements, so the only thing new is the certified organic feed.  You’re probably already familiar with my thoughts on organic, but if not, see here and here.  To sum it up, you’re not limiting your exposure to pesticides in any meaningful way by eating organic eggs, and there is no substantial nutritional difference.

Third-party certifiers

chicks-1Oh yes, there’s more. If just the different ways of raising hens and what they’re fed isn’t enough, there are also claims on labels that talk about the third-party certifiers. It seems this is a way to make it easier for the consumer to know if they’re getting what they think they’re getting; a voluntary accountability system, so to speak. That would be fine if there weren’t a handful of different ways to get certified, making it even more complicated than before. Each certification system has different requirements for the duration and quality of indoor/outdoor systems, how much space each bird gets, what they eat, etc. I asked both Karcher and Hermes if they could recommend one certification system that they thought did it best. They both agreed they’re just variations on a theme. In fact, when I asked Karcher which one he could recommend that could help a regular person feel like they’re doing the “right thing” without getting duped he said, “Ha! When you find the answer to this one, please share!! Seriously though, every third party certification is, in my opinion, a one-up from the other one to entice the consumer to believe that this particular certification is the best. If consumers take the time to read the certification programs, they would find slight differences amongst them. Depending on what a ‘regular’ person believes, will ultimately dictate which program is the best.”

At the very least, most of the third party certifiers have definitions for what free-range and pasture-raised means, so that’s something. I’m not going to go more into the specifications of all the certification systems because it’s too lengthy, and I had a difficult time finding a good scientific source that listed each certification system without disparaging the others.  Eighty percent of all eggs produced in the United States are produced under the United Egg Producers certified guidelines, so that’s a good place to start. Others to look into are: Certified Humane, Animal Welfare Approved, American Humane Certified, and Food Alliance Certified.

One very last point that’s worth noting: it’s easy for consumers to change their opinions on how laying hens should be raised. It’s not so easy for producers – they have already committed significant amounts of money to certain production systems. Imagine that you’ve already got millions of dollars dedicated to conventional housing systems and then California voters decide they don’t like your system. You can’t make that change quickly or easily, and, ironically, if you’re a small producer it might be financially impossible. It’s going to take time, and as consumers, we have to appreciate that. “In my experience of nearly 27 years in Poultry Extension,” said Hermes, “the poultry and egg industries are committed to producing safe, high quality products for their consumers, while being dedicated to the welfare of the birds.  So while public opinion in recent years has decided that caging is bad for hens, even though the science favors cages for their physical well-being, industry can’t make sweeping changes that cost millions of dollars over night.”

That’s it! That’s all I think you need to know on eggs. Now I’m off to have an omelet. I hope this helps you use your Momsense to make informed decisions as well. Stay tuned for the next in this Breaking Down the Labels Series: a look into labels for the actual poultry we eat.

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Breaking Down the Labels Series – Eggs Part 1.2: Housing Systems

Last time I gave you my conclusion, today I’ll talk about housing systems.

But before we get to that, let’s settle the egg shell color debate: brown versus white. This has nothing to do with the inside of the egg; it is completely dependent on the kind of hen who laid the egg. Different breeds lay different colored eggs, but the inside is exactly the same. brown vs white eggsBrown eggs come from red-brown feathered breeds that tend to be larger than other breeds and require more food, which could explain why they’re more expensive. The inside of the egg is only affected by what the hen eats. (Laying hens require a high-protein diet but will eat just about anything they can find or scratch from the ground: bugs, grass, seeds, fruit, etc. Commercially-produced chickens generally eat a grain-based diet.)

Housing (sources for label definitions: Egg Nutrition Center)

There are two primary differences between how hens are raised: they’re either in a house their whole lives, or they’re outside for all or some of their lives. You can imagine why a farmer (and a consumer) would want to put chickens in a house  – it makes it easier to control what the chickens eat and collect the eggs, and it protects the birds from predators, parasites and disease. On the flip side, it may restrict some or all of the birds’ natural tendencies, like the ability to spread their wings, forage, dust-bathe, nest and perch.  Within the house, birds can either be in a cage or not. Cages allow easy collection of eggs and help keep the house clean and the birds healthy – one of the major obstacles in raising chickens is managing the manure. Cages allow a conveyer-belt system to continually remove the manure. Obviously, the size of the cage can greatly restrict birds’ natural behaviors, and many cages don’t allow birds to turn around. That being said, caged chickens have the lowest mortality rate of any of the systems. Cage-free systems have increased hen-to-hen aggression and incidence of broken bones that both contribute to higher mortality rates. While cage-free systems definitely allow the birds to perform many more natural behaviors, they are inherently dirtier because manure cannot be removed as well or as often.

Conventional eggs (those that don’t have a label saying anything about the housing of the chickens) come from hens that have spent their whole lives inside a cage inside a house. It is the most restrictive production system as far as space for the bird, but also the most affordable system.

  • Pros of this system: lowest mortality, cleanest houses, lowest cost.
  • Cons of this system: least amount of natural behavior for the chicken, some feather and foot issues due to cage confinement.

Enriched-colony eggs are a newer development. This is in-between conventional and cage-free – a few birds together in a bigger cage with areas for natural behaviors. Satrum is working on converting some of his operation to enriched-colony housing. “It’s a cage but it’s a much larger cage, like a big condo cage, with nesting and perching and scratching areas – kind of cage-free but in a caged environment.” This change is largely driven by economics – the most affordable eggs are from conventional systems. Enriched colony is lower-cost than cage-free but with some of the benefits of cage-free.  Larger cages have been in the news lately. In 2008 California passed Proposition 2 which mandates that by January 1, 2015 all egg producers in California and all eggs being importer to California come from hens that can lie down, stand up, fully extend their limbs and turn around freely (this isn’t exactly the same as enriched-colony, but similar.) California is currently battling a lawsuit over Prop 2 from other states that fear future restrictions on livestock production as part of the slippery slope California may have started.  In 2012, the United Egg Producers and the Humane Society attempted to pass the Egg Bill that would have set national standards for egg production making enriched-colony housing the norm. That bill met fierce opposition from the meat industry for the same reason California is currently being sued and never passed. Despite resistance from the meat industry, I would bet that enriched-colony will soon be the standard for egg production.

  • Pros of this system: very low mortality, hens are able to perform some natural behaviors in a limited way, less disease and injury compared to cage-free and pastured, and affordable production cost.
  • Cons of this system: not many. The only I can come up with is that the hens are still caged.

cage free cartonCage-free or free-roaming (not to be confused with free-range) are eggs from hens that live inside a house for their entire lives, and may not have access to the outdoors, but don’t live in a caged confinement inside the house so they get to engage in some natural behaviors like perching and nesting. Some farmers may choose to also give these hens limited access to the outdoors, but they don’t have to and you can’t assume that simply based on the label – the label only means they’re not inside a cage.

  • Pros of this system: birds get to perform lots of natural behaviors.
  • Cons of this system: higher mortality, broken bones and injuries, increased respiratory problems due to dust, and higher hen-to-hen aggression. Preliminary results from a recent study indicate that ammonia and particulate matter is considerably higher in cage-free systems, and workers are inhaling more particulate matter from manure and litter on the floor. This system also requires more labor for egg collection and manure removal.

(Here is a good resource to see and compare conventional, enriched-colony, and cage-free.)

Free-range eggs are from hens that have been allowed access to the outside. This is a bit misleading, because there are no government regulated standards for free-range, meaning these birds could be living an identical life to a cage-free bird, with the addition of a door that leads outside. Because there are no regulations about the length, duration or quality of outside access, this “outside access” could just as easily be a parking lot as it could be a grass pasture. The birds may not know the door is there, or use it, but they have access to it, so they qualify. To be fair, they could also be spending a large amount of time outside, but you don’t know that simply by reading the “free-range” label.

  • Pros of this system:  the same as for cage-free with potential for additional freedom if done correctly.
  • Cons of this system: the same as for cage-free, with the addition that it has the potential to be intentionally misleading. To avoid this, see the section on third-party certifiers.

Pasture-Raised Eggs

hens nestingThere is a lot of hype about pasture-raised eggs these days. It seems like the end-all-be-all for the foodies, so I decided to give it some extra discussion. I have a feeling that when people choose to buy cage-free/free-roaming or free-range eggs, they think they’re getting pasture-raised, but they’re not. Pasture-raised eggs come from hens that are actually living on a pasture, in a barnyard-like setting, not in a house or cage. These hens are allowed to forage for grass, bugs and whatever else they can find, but likely their diet is supplemented with a grain-based feed because there simply is not enough forage to provide an adequate diet.  The birds are provided a nesting house where they go at night and to lay eggs.  There are no regulations for pastured eggs, the USDA does not recognize a label definition for pastured eggs and there are no standards. If you’re buying pastured eggs (at about $6-$8 for 12 eggs compared to the $2.50 for 18 eggs I pay for conventional eggs) you should make certain you’re getting what you pay for. Visit the farm, or at least contact the producer.

Like I said, I visited a farm that raises pasture-fed chickens.  It was a beautiful farm and I learned a lot, but I’m not going to name it here because the owner and I have a difference of opinions on organic and GMO and he preferred to go un-named. I understand that, and I’m ok with it – there is room in agriculture for multiple approaches, and that’s what enables choice. His operation utilized a rotation and multi-species model that moves chickens, pigs, sheep and cows around the pasture on a schedule that allows the animals to feed on the pasture without ruining it. After a tour of the farm, I was blown away at how much attention is paid to the soil and how much work goes into making sure the animals don’t over-use the pasture. Unlike a conventional chicken farmer who might only need to be an expert in chickens, he has to be an expert in chickens, cows, sheep, pigs, and grass and soil science. It was a cool system, to say the least. My husband and I got to taste-test the eggs that my kids collected while we were on the farm (after visiting the egg-washing room).

Conventional egg on the left, pastured egg on the right.

Conventional egg on the left, pastured egg on the right.

Could we see the tell-tale pasture-raised orange yolk that indicates a diet rich in fatty bugs? Yes. Could we taste a difference? Yes: they were definitely richer tasting than our conventional eggs. Enough so that we would pay $6 per dozen? No – like I said, we eat a lot of eggs. But maybe we would if you could make an argument that this approach is better for the environment or more nutritious.

So is it more nutritious? Chhatriwalla told me that unfortunately there aren’t very many studies that have analyzed the nutritional content of eggs from pasture-raised hens. There are a few and one concludes that while the fat and beta-carotene content were higher in range-produced eggs, the authors noted that it was not great enough to prove a true nutritional advantage of one egg type over the other. What about an environmental advantage? While at first glance it might seem this approach seems more in-line with the way nature intended, it doesn’t seem to be the most efficient use of resources. “Pasture-raised is fine for specialty,” said Satrum. “It’s difficult to do true pasture-raised on a large scale.  As long as you have a small production and lots of land and a warm climate, it can be done just fine. For a commercial producer, you need lots of space. You won’t find commercial producers doing a pasture production, it’s very rare.” As I noted in the beginning, the natural way comes with the good and the bad, including higher incidence of mortality, disease, worms and predation. These downsides do reduce efficiency (and increases cost), and it requires a lot of land that could be producing more for people to eat. If we didn’t have a growing population that needs to eat and finite resources, it would be fine. But we do. And frankly, not everyone can afford to pay a dollar an egg for something that’s pretty much nutritionally the same.

  • Pros of this system: best opportunity for the birds to perform natural behaviors.
  • Cons of this system: higher incidence of mortality and morbidity, reduced resource efficiency, highest cost, no USDA recognized label definition and no standards.

What else should you know about housing systems?

chicken-1So which is better: caged or uncaged? “Anything that adds stress is a negative to the welfare of the chicken,” Satrum said. “Air quality and cleanliness of the house is going to impact the hen. There’s always a little bit of trade-off with the different systems. In the traditional cage systems, the more modern ones are very clean, they have very good air quality, there is very little dust in the house and that’s beneficial for the hens. Cage-free has more space and exercise per hen, but it’s a maybe a little dirtier environment. A lot of it comes down to the management of the farm and the design of the buildings, none of that you can really tell from a label unless the farmer’s being very transparent.” Satrum mentioned that the equipment for cage-free is also more expensive and the labor costs are higher,  which translates to a higher cost to the consumer.  “In terms of animal welfare,” Satrum said, “It’s probably going to vary from farm to farm. Generally as we get more experienced at cage free, we’re getting better at it.” He told me that the mortality rate was initially pretty high in cage free, it’s improved a lot, but typically there is still a higher hen mortality rate in cage-free production. Of course, there are ways to manage that. You’ve heard of a pecking order, right? That’s a real thing. In large groups chickens have to establish a social order of bonds and to do that, they peck at each other. There are ways to deal with hen-to-hen aggression, one of which is to alter the beak of the bird. I read a lot of terrible things about beak-cutting online, but you can’t always believe what you read. “Beak trimming/cutting is pretty much a thing of the past,” said Satrum. “Today the tips of the chicks’ beaks are actually precision laser treated at the hatchery right after being hatched.  This one time treatment makes it so that the tip of the beak does not grow a long sharp hook on the end but still maintains a completely natural appearance and function.” Karcher and Hermes also agreed that beak-trimming can be ok when done correctly. “A few moments of discomfort during the trimming process results in much less injury due to normal hen aggression later,” Hermes said. He also noted that work is being done to breed hens that wouldn’t need beak trimming. Another thing to note is that beak trimming is not unique to cage-free production, it’s standard practice in laying hens regardless of the housing system.  Beak trimming is not the only way to control hen pecking; Satrum mentioned special lighting and proper nutrition can also limit pecking.

Another controversial issue is forced-molting. “Molting is a natural process, generally occurring in the fall,” Hermes said. “All adult birds molt so that damaged feathers can be replaced.  During the molt process, energy and nutrition are used for growing feathers rather than producing eggs, so cessation of egg production also occurs.”  Forced-molting is basically imitating that process in an indoor setting.  Again, reading online give you the impression that producers force-molt by starvation, but that doesn’t seem to be the industry standard. “Feed withdrawal molting is not endorsed as a practice in the industry,” said Karcher. “The common practice is a non-feed withdrawal molt where hens are provided a diet that has sufficient nutrition to maintain her, but doesn’t provide the nutrition needed to produce eggs. At the same time the diet is changed, the lights are reduced from approximately 16 hours to 8 hours which signals her physiologically to stop producing eggs.” It’s a natural process that will happen anyway, it’s simply enhanced in a production setting.

My next post will talk about feed and supplements and third-party certifiers.

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Breaking Down the Labels Series – Part 1: Eggs

chickenThis is the first story in my first ever series. Get ready, people. A series! It’s a big commitment, so I’m going to be vague on how many stories there will be and on how long it will be in between stories.  This summer (read: 24/7 children in my personal space) has wreaked havoc on my research and writing time; I’ve literally been working on this story since June.  Side note: how long will it be until my children stop yelling “MOMMY!” in an emergency-sounding voice from across the house to ask un-emergency questions like if it’s true that girls have more taste buds than boys? It’s OK, school starts soon.

Anyway, the goal of this series is to talk about what some of the labels on our food actually mean. I read an opinion piece in the Oregonian recently that said, “Our marketplace is literally drowning in labels, most of which have little meaning except to promote the sales of some products over others.” There is a LOT of marketing going on at the grocery store, and it’s often really hard to know if something you read on a package truly says something about that product’s health or environmental benefit or if someone is trying to take advantage of your desire to feed healthy food to your family. Take the word “natural” for example. That means virtually nothing because the FDA has not defined what “natural” means. In fact, Consumer Reports recently launched a campaign to ban the natural label from food because it is so misleading.

So with that in mind, in this series I plan to get out and talk to people in the field that can help us understand what some of these labels mean. At the end of the day, I hope these articles help you (and me!) go to the grocery store without feeling like you need a cheat sheet to figure out what to buy.eggsI’ve decided to start the series with eggs for a selfish reason. My family eats a lot of eggs and every time I buy eggs I’m flabbergasted by the choices. Brown eggs, white eggs, eggs from hens fed a vegetarian diet, or a diet high in omega-3, cage-free, free-range, pasture-raised, organic, natural, farm-fresh, hand-gathered, antibiotic-free, hormone-free, and on and on and on.  Most of the time I just buy the cheapest eggs because there are simply too many choices and I promise myself I’ll look into what they mean later. So now I’m doing just that. In order to write this article, I:  visited a local farm that sells pasture-raised chickens and eggs (among other things); interviewed Greg Satrum, third-generation egg farmer and owner of Oregon’s largest commercial egg farm, Willamette Egg Farms; consulted with registered dietician Emily Chhatriwalla based in Kansas City, MO; and consulted with two extension poultry experts: Dr. James Hermes at Oregon State University and Dr. Darrin Karcher at Michigan State University.

Why are there so many choices, anyway? I asked Satrum this exact thing because he would know, his operation produces many varieties:  conventional, cage-free, omega-3, organic and vegetarian-fed eggs. I asked him why he would do that and he gave me a straight answer: it’s all about a marketing advantage. “It’s basically driven by consumer preference. Most major producers have the whole line of products. If you’re not producing specialty eggs, it can work against you in the selling of conventional eggs. Retailers prefer to deal with a limited number of suppliers; if they have a whole bunch of suppliers it becomes difficult. So producing the whole line of products gives you an advantage.” Satrum admitted it’s tough for a consumer, “you almost need a half-hour tour” to figure it all out, he said.

I know not everyone is going to want to read my 5,000 word treatise on eggs – the labels are so complex it’s hard to be concise, and as we know, I’m not particularly good at that anyway. I decided to break this “first post” into three individual posts to make it more digestible. This post will give you my conclusion first and then if you want to know more about why I reached this conclusion, you can read the next two posts.

My Momsense Conclusion Up Front

My conclusion is that it really depends on what matters most to you. Each system has pros and cons, and depending on what’s the most important to you, you’re going to come to a different conclusion than me. For my family, I think enriched-colony is the best production system. Remember, though, eggs are a great source of nutrition for you and your family; they’re high in vitamins and minerals, quality protein and antioxidants. Don’t let marketing and fear-tactics scare you away from eating them. Worry more about making sure to include eggs in your diet, and worry less about the details, especially if you’re concerned about your budget.

Because there is no clear winner, I’ve broken it down by what I think the consumer’s end goal is. Below is my guideline for choosing eggs based on research and interviews.

  • pastured eggsBird Welfare:  This is really complicated. What is “best” for the bird is debatable. Is it better that they have the most freedom with the complications that come with it (increased mortality, disease, parasites, predators), or is it better that they give up some of that freedom in return for better health? If it’s the first, then you need to seek out eggs from pasture-raised production. Don’t buy eggs labeled organic, cage-free or free-range and think you’re getting that, you’re not. Go to your local farmers market, find a producer who claims pasture-raised, ask him or her questions about what that means, and visit the farm to verify it. The USDA does not recognize a label definition for pastured eggs, and there are no standards, so you must take it upon yourself to verify. If the health of the bird is more important to you, I think the best solution is enriched-colony housing. Go online and find a local producer who is using enriched-colony (like Willamette Egg Farms in Oregon.) If you can’t find that, go with cage-free, but look for a producer that meets standards set by a third-party certifier. Take a look at the different certifiers and find one that you think makes the most sense. Don’t get worried if you feel like you can’t distinguish between them, experts told me it’s just variations on the same theme. Just pick one you think sounds good to you.
  • egg cartons on shelf-1Nutrition:  Do you not so much care about how much the bird can do natural behaviors, but you just want the most nutritious eggs at a good cost? Buy conventional eggs. They’re just as nutritious as the rest. Chhatriwalla’s conclusion was that she couldn’t recommend one type of egg over the other based on nutrition alone. Don’t concern yourself with claims about added something-or-other. If you want to add omega-3 to your diet, find a direct source like flaxseed meal, soy or canola oil, or fatty fish. Organic eggs also aren’t better for your health – I’ve written previously on why organic isn’t going to limit your exposure to pesticides in any meaningful way. As for safety against food-borne illness, the best thing you can do is to store and cook your eggs properly. See here for more on that.  Use the money you saved on not buying nutrient-enhanced eggs to buy more vegetables.
  • Environmental Impact:  Do you just want to make sure it’s best for the environment? Based on my cursory look at this and preliminary results from a recent study by the Coalition for Sustainable Egg Supply, I think it makes sense to buy enriched-colony or conventional eggs, as they seem to be the most efficient use of land and resources with the smallest impact to the environment. To adequately make this call, I’d have to talk to an environmental scientist who is an expert in this area so we can consider all the inputs needed to raise chickens and properly look at it from all sides. I will save that for another time, because this would be an interesting comparison for more than just eggs. I’ve also previously outlined that I don’t think buying organic is better for the environment, and none of the other egg production systems seem to offer an environmental advantage either.

The two main categories of information found on labels relate to how the chickens are housed and what goes into the chickens’ body (feed and supplements). The other main label component is third party certification which is a way of defining what the first two categories mean.

Tune in next time for a discussion on housing systems.

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