Canine epididymal spermatozoa have a low freeze-tolerance ability compared with ejaculated spermatozoa, which could arise from the absence of prostatic fluid (PF). Therefore, the purpose of this work… (More)
The latest researches into ecologicity and adequacy of feeding systems for cows with production of more than 9500 kg milk have been carried out in Leningradskaya oblast’. The state of metabolic… (More)