نتایج جستجو برای: reproductive parameters
تعداد نتایج: 669668 فیلتر نتایج به سال:
White rhinoceroses suffer from a low rate of reproduction in captivity. This study examines the role of male reproductive function as a contributing factor. We used ultrasonography to image accessory sex glands, testis and epididymis. Electroejaculation provided 36 ejaculates from 21 rhinoceroses. Based on the percentage of progressively motile spermatozoa, semen was categorized in three groups...
most serious problem that leads to reproductive system failure in both human and animals. Present study was carried out to investigate whether hydroalcholic extract of Dorema aucheri leaves could protect the male rats against lead-induced reproductive toxicity. Materials and Methods: Adult wistar rats were treated with 0.1% lead acetate in drinking water with or without 100, 200 and 400 mg/kg D...
the effect of temperature on demographic parameters of the greater wax moth, galleria mellonella (l.) was studied at 23, 25, 27, and 30 °c, 50 ± 10% rh and a photoperiod of 16:8 (l: d) h. the life table parameters were estimated according to the age-stage, two-sex life table procedure. in addition, the bootstrap technique was employed for estimating the means, variances, and standard errors of ...
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