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This paper deals with normal values of some serum biochemical parameters in broiler chickens with regard to their age and sex. Studies were carried out every week on clinically healthy broiler chickens of the Vedetta race, both females and males aged 2-7 weeks. In blood serum collected from the birds, levels of total protein, glucose, total cholesterol, triglycerides, calcium (Ca) and inorganic phosphorus...
Celem pracy było przeanalizowanie współzależności między niektórymi cechami przyżyciowymi a zawartością mięsa lub tłuszczu ze skórą w tuszkach kaczek. Ponadto opracowano równania regresji wielokrotnej oraz sprawdzono ich dokładność pod względem szacowania zawartości mięsa i tłuszczu w tuszkach z uwzględnieniem wieku ptaków. Materiał do badań stanowiły 504 kaczki (płeć w równych ilościach) rodu A-44...
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