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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 concerned the influence of ivermectin on the biological value of the sémen of boars. The quality of the semen was evaluated on the basis of a preliminary estimation of spermatozoa concentration in ejaculates, the percentage of spermatozoa mortality and the morphological picture of spermatozoa. The aim of the study was also to estimate a fecundating value ot the semen by determining...
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