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The effects of caponization on growth, body measurements, carcass traits, meat quality, and the mRNA expression of three genes related to lipid metabolism in Guang-xi Yellow roosters were evaluated....
Poor welfare is the cause of high mortality among hens and roosters transported to poultry processing plants. In the Czech Republic, death rates among hens and roosters in transport to poultry slaught...
The goal of this study was to localize the T cell subsets and B cells in the testis and epididymis of roosters. Frozen sections of testis and epididymis were immunostained for CD4, CD8 and Bu1, which ...
The apparent and true amino acid digestibilities of silver fish meal and meat cum bone meal were determined using adult caecectomized roosters. Each test ingredient was offered to six caecectomized an...
The present study was designed to assess the influence of caeca on the availability of calcium, phosphorus, magnesium, manganese and copper from soybean, sunflower, rapeseed, sesame, fish and meat cum...
The aim of the present study was to determine the apparent and true digestibilities of amino acids of maize, low tannin sorghum, pearl millet and finger millet in adult caecectomized cockerels. Adult ...
Hens with bigger combs attract the roosters     Hens  roosters  sperm       2006/12/15
28 November 2006,Hens with large head ornaments or ‘combs’ are more likely to find a mate and receive more sperm, especially from the more dominant roosters, than their female rivals with smaller comb...

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