Giving certain plant and bacterial supplements to two types of chickens—Rhode Island Reds and Silkies—makes their egg yolks richer in colorful nutrients called carotenoids after a month, and Silkies seem to absorb more of these nutrients than the other chickens.

Giving older laying hens paprika extract in their food makes their egg yolks more colorful, especially in Rhode Island Reds — they respond more than Silky Fowl hens when given a higher dose.

Silky Fowl chickens put more eye-healthy nutrients into their egg yolks than Rhode Island Reds when they eat certain colorful plant supplements — it’s in their genes!

Feeding Silky Fowl hens a paprika supplement for a month seems to lower their blood fat levels a lot, but the same doesn’t happen in Rhode Island Red hens — so the effect might depend on the chicken breed.

Feeding Silky Fowl hens a paprika supplement for a month raises their 'good' cholesterol and improves their overall cholesterol balance, but the same doesn’t happen in Rhode Island Red hens — so the effect depends on the chicken breed.

Giving hens certain natural supplements like paprika or marigold extract makes their egg yolks better at neutralizing harmful oxygen, and this works in two different types of chickens after a month.