From the perspective of the shell color of eggs, brown shell eggs, powder shell eggs, white shell eggs, and green shell eggs are common on the market. The egg shell is particularly white indicating that this is a white shell egg. As for what kind of chicken is the white shell egg? Of course, it is under the white-shell layer chicken, and now there are more white-shelled layer chicken breeds in China, such as Roman White, Xingzao 288, Hyland W-36, Jingbai 904, Binbai 584 and so on.
1. Roman white. High-quality white-shelled layer chickens bred by German ROMAN AG. Each kg of eggs consumes 2.3-2.4 kg of feed, the number of eggs produced at 72 weeks' age is 290-300, and the survival rate during the egg laying period is 94-96%.
2. Miscellaneous 288. A premium white-shelled layer chicken bred by Chevros Canada. Each kilogram of eggs consumes about 2.5 kg of feed, the number of eggs laid at 72 weeks is 270.6, and the survival rate during the egg laying period is 91-94%.
3. Hyland W-36. High-quality white-shelled layer chickens bred by Highland International. Peak egg production rates are 91-94% and survival rates are 90-94% during the egg laying period.
4. Jingbai 904. High-quality white-shelled layer chickens bred by Beijing Original Breeding Poultry Company. Each kilogram of eggs consumes about 2.33 kg of feed, the number of eggs laid at 72 weeks is 288.5, and the survival rate of eggs at the egg laying period is 88.6%.
5. Binbai 584. High-quality white-shelled layer chickens bred by Northeast Agricultural University. Each kilogram of eggs consumes about 2.53 kg of feed, and the daily egg production at 72 weeks old is 281.1, and the survival rate during the egg laying period is 91.1%.
At present, the domestic egg market is dominated by brown shell eggs and powder shell eggs, which account for more than 96%, and the market share of white shell eggs and green shell eggs is very low.