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Celem pracy było porównanie cech ilościowych nasienia i budowy morfologicznej plemników buhajów najliczniejszych ras w Polsce. Badaniami objęto buhaje ras czarno-białej (cb) i czerwono-białej (czb) oraz mieszańce tych ras z rasą holsztyńsko-fryzyjską (hf). Analizowano cechy ilościowe (liczbę ejakulatów, objętość ejakulatów, liczbę porcji nasienia, koncentrację plemników, ruch postępowy) oraz budowę...
The investigations were carried out on seventy five bulls of Black and White Breed and forty six bulls of Red and White Breed used for procreation in the years 1977-1985 in the Animal Breeding and Insemination Centre in Karczów. All ejaculates produced by individual bulls during the first three years were examined. There were 33103 ejaculate features of both bull breeds analysed. The following features...
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