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The study aimed at analysing and comparing haematological indices, blood saturation and dimensions of red blood cells of Ross 308 broiler chickens of both sexes. On day 44 of rearing, blond was withdrawn once from 60 randomly selected chickens (1:1 sex ratio). Prior to blood withdrawal the chickens were weighed and their heart rate and haemoglobin saturation were assessed. The following blood parameters...
The aim of the study was to assess laying traits, the weight of eggs and characters of the laying rhythm of pheasants in the first and second years of reproduction. Pheasants (10 cockerels and 50 hens) were kept in aviaries. Daily, individual control of laying was performed beginning with the day of the first laying and ending with the last egg. The following parameters were evaluated: age at first...
At the age of 24 weeks, 60 Pekin type ducks, line P66, were divided into 6 flocks (1 drake and 9 ducks). A control and an experimental group were formed, each comprising 3 flocks. Both groups were fed a standard diet, but that of the experimental group was supplemented with 500 mg vitamin C/kg. Ducks from the experimental group exhibited a significantly higher erythrocyte count (on average, by 0.16×1012/L)...
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