855 " T here are also cocks, which are extraordinary size, and have their crests not red as elsewhere, or at least in our country, but have the fl ower-like coronals of which the crest is formed variously colored, " wrote traveler and geographer Megasthenes 17 hundred years ago. " Their rump feathers are neither curved nor wreathed but are of great breadth and they trail them in the way peacock...

Predicting potential fertility and eventual egg hatchability in chickens can be done by evaluating the quality of semen. This study's objective was to describe semen characteristics three different age groups Horasi chicken ecotype cocks (24-32, 28-36, 32-40 weeks). From 20 cocks; 6 (24-32 weeks), (28-36 8 (32-40 weeks) over course four weeks (5-29th Dec 2022), 80 samples total were taken. Sper...

A selection for sperm quality was carried out in the White Plymouth Rock population of the Spelderholt institute. The percentage of morphologically abnormal spermatozoa was used as the most important selection criterion. The population was selected in two directions, viz. a line with a low incidence (Ll-line) of abnormal spermatozoa and a line with a high incidence (Hl-line). Cocks were examine...