Only Sold In 3oz Case Packs of Six Ducks eggs are have higher nutrient levels and yolks are larger than chicken eggs. Ducks eggs are higher in Omega-3 Fatty Acids: 71.4 milligrams in duck eggs versus 37 milligrams in chicken eggs. Ducks eggs are actually 50% larger than jumbo chicken eggs (2 duck eggs = 3 chicken eggs). Our ducks never receive antibiotics or are given any chemicals to enhance productivity. Our duck feed is from non-GMO seeds and manure from our ducks is used on crops. Our eggs are cleaned with high pH solution to disinfect. We do not use bleach which means the eggs can be brown, spotted, or white. Dogs that are allergic to chicken eggs can often eat duck eggs. Duck eggs have protein complexes that differ from chicken eggs. Prices reflect current market pricing and may fluctuate from time to time. We apologize for this inconvenience.