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Introduction and Characteristics of the Hysex Chicken Breed

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Brown-shell commercial day-old chicks introduced from the Dutch company Euribrid can be sexed by color: Hen colors - all reddish-brown, accounting for 90%; predominantly brown over the body but with white stripes on the back, 8%; predominantly white over the body but with a red or brown head, 2%. Rooster colors - all: yellow, accounting for 90%; white over the body but with brown stripes on the back, 8%. White over the body, but with four narrow brown stripes on the back, the narrow stripes sometimes clear and sometimes not. Production performance: reaches 50% laying rate at 158 days of age, 2

Brown-shell commercial day-old chicks introduced from the Dutch company Euribrid can be sexed by color: Hen colors - all reddish-brown, accounting for 90%; predominantly brown over the body but with white stripes on the back, 8%; predominantly white over the body but with a red or brown head, 2%. Rooster colors - all: yellow, accounting for 90%; white over the body but with brown stripes on the back, 8%. White over the body, but with four narrow brown stripes on the back, the narrow stripes sometimes clear and sometimes not. Production performance: reaches 50% laying rate at 158 days of age, average laying rate from 20 to 78 weeks of age is 76%, annual egg production per hen housed is 308 eggs, annual egg production per hen housed: 299 eggs, average egg weight 63.2 grams, feed-to-egg ratio 2.39, body weight at the end of the laying period 2.25 kg.

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