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Effects of transport distance and the season of the year on death rates among hens and roosters in transport to poultry processing plants in the Czech Republic in the period from 1997 to 2004
welfare stress poultry mortality transportation time ambient temperature winter months
2015/3/13
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...
Immunolocalization of Lymphocyte Subsets in the Testis and Epididymis of Roosters
testis epididymis T cells B cells roosters
2009/7/31
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 ...
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...