Lead, heavy metal, has been associated with various health disorders including respiratory, digestive, nervous and reproductive systems. Male are rising worldwide in parallel to increased exposure harmful chemicals through anthropogenic sources. The aim of this study was find the effect lead nitrate on sperm quality, serum testosterone level testicular histopathology male Swiss albino mice. mic...

gibberellic acid (ga3) is a group of plant hormones identified in various plants. the aim of this study was to determine the effects of ga3 on sperm parameters and in vitro fertilization (ivf). fifty six adult male rats were divided into seven groups as, control, treatment and sham. following 15, 30 and 45 days of ga3 and methanol alcohol (ma) administration, rats were euthanized and epididymis...

The information about the occurrence of embryonic and fetal losses in dairy herds in Poland is limited. Thus, the objective of this study was to assess the pregnancy loss between days 30 and 45 (late embryonic mortality) and between days 45 and 260 after artificial insemination (AI) (foetal loss). The study was carried out in 8 dairy herds in north-east Poland. In total 954 cows were examined f...