The results of bitch artificial insemination after the use of tested frozen semen

English. Manv problems in dog reproduction concern both dog male, its behaviour and semen quality as well as the bitch which are connected with physiological factors as a time oestrus cycle, anatomical structure of reproductive organs, sexual behaviour and ovulation moment. The results of bitches’ artificial insemination (AI) with the use of frozen semen are lower in comparison to raw semen. In connection with this the research work was performed with an idea of explanation of the problem connected to low effect of the use of dog frozen semen for AI. It was found it is possible to receive more satisfactory results (about 75% of pregnancy rate) when dog semen is testified on the base of sperm concentration and motility and alkaline phoshatase activity (AP). On the other side it is necessary to perform bitches examinations based on cytological and hormonal testes which allows establishing thepernicious time for AI. pernicious lime ‘a Al

English. bitch, semen quality, artificial insemination

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