Our ducks are free range. However, as a supplement during the off season, they receive a healthy option of organic feed that is soy and gluten free. We collect daily on our farm to ensure our eggs are the freshest. Our species are 100% purebred Silver Appleyard, Cayuga, Blue Swedish, Khaki Campbell, and Mallard. We have no drakes on the farm, therefore illuminating fertilized eggs. Here's some information for those who aren't sure about duck eggs. Duck Eggs V’s Chicken Eggs Duck eggs are larger in size than chicken eggs. The whites in chicken eggs have a higher water content (more runny) than the whites in duck eggs. Duck eggs have larger yolks and a higher yolk-to-white-ratio than chicken eggs. We have both. Yes, they are different from each other so I am gunna break it down quick: Duck eggs are GREAT for baking Chicken eggs have thinner shells Duck eggs are larger and richer than chicken eggs Chickens are prolific layers year round if taken care of correctly but, ducks are as well with much less necessity Duck eggs stay fresh longer because of their insanely thick shell Duck eggs contain 30% more protein, and a different type of protein than chicken eggs. So, if allergic to chicken eggs, most can eat duck and visa versa. Ounce for ounce, duck eggs contain more Omega-3, Vitamins A and D, fatty acids, choline, folate, and iron than chicken eggs. Chickens lay well for about 1-2 years then dramatically start slowing down production while ducks lay a solid 4-5 years before they slow down Chicken eggs come in a lot more colors So there ya have it! Don't be afraid to buy duck eggs!