Technology for the production of hatching eggs of “Novogen Brown” chickens
DOI:
https://doi.org/10.31548/poultry2024.01-02.018Keywords:
chickens, cross, technology, keeping, feeding, egg production, livestock safety, feed costsAbstract
Currently in Ukraine, crosses of chickens imported from abroad are used for industrial egg production. The most common crosses are “Lomann Brown”, “Lomann White”, “Hy-Line White”, “Hy-Line Brown”, “Novogen White”, “Novogen Brown” and others. To complete the commercial laying flock, the company uses replacement stock obtained from the parent flock, which is kept in a second-order reproducer. LLC "Slovyans" (Kyiv region) has the status of a second-order reproducer for breeding “Novogen” chickens. In this regard, the aim of the study was to investigate the technology of production of hatching eggs of “Novogen Brown” chickens in the conditions of LLC "Slovyans". Day-old chicks of the parental forms of these crosses are supplied to the farm by the French breeding company “Novogen”. The productivity of chickens of the parent flock of the “Novogen Brown” cross was studied when they were kept in “Salmet” cage batteries. Seven 4-tiered batteries are installed in a room measuring 120x18.2 m (2184 m2), which provides accommodation for 38770 hens and roosters with a sex ratio of 8.6:1. The hens of the parent flock are fed with dry complete feed, with a nutritional value in accordance with “Novogen” recommendations. The content of crude protein and other substances in the feed changes three times during the productive period, depending on the age of the hens. As for crude protein, this indicator tends to decrease. The recommended minimum level of total fiber is 4.0%. The farm uses parent stock up to 72 weeks of age. At the same time, the actual egg production per initial laying hen is almost the same as the standard (298.6 eggs) and amounts to 299.2 and 298.3 eggs. The preservation of chickens in the farm is slightly lower than the recommendations (by 0.9-1.2%), and the feed consumption per egg is higher (by 3.08 and 3.59 g).
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