Статья

Egg Productivity of Chickens of Imported Crosses

Sherkulova Farida ElmuratotovnaAssistant of the department Cattle breeding, poultry farming and fish breeding Samarkand Institute of Veterinary MedicineBerdikulov Furkat ShavkatovichAssistant of the Department of Genetics, Selection, Breeding and Reproduction of Animals, Samarkand Institute of Veterinary MedicineErmatov Yusufbek AmirovichAssociate Professor of the Department of Animal Breeding, Poultry and Fish Farming, Samarkand Institute of Veterinary Medicine

JournalNX - A Multidisciplinary Peer Reviewed Journaljournal2020en

ABI

Аннотация

he genetic potential of the Lohmann LSL-Classic and Lohmann-Sandy crosses was studied in the conditions of dehkan, farm and small poultry farms. In terms of incubation qualities of a component of breeding eggs, in terms of growth rates of chickens, in live weight and egg production, it is ahead of the Lohmann LSL-Classic cross. It was determined that small chicken eggs are lighter than medium and large eggs by 2.2 g and 5 g, respectively, in a small egg the protein content is 33.1 g, on average and large - 34.3 g and 35.3 g., And the weight of the shell is medium eggs compared to the shell weight of small and large eggs are 0.3 g more. The egg production of Lohmann LSL-Classic chickens exceeds the egg production of Lohmann-Sandy chickens by 6.8 pieces, that is, by 2.34%, the egg weight of Lohmann LSL-Classic chickens is 0.08 kg more than the egg weight Lohmann-Sandy. Chicks Lohmann LSL-Classic had a higher gain at 16-20 weeks of age.

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Темы

Agriculture and Biological Studies Animal Nutrition and Health Animal Nutrition and Physiology

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