the effect of hypothyroidism on the proliferation of somatic and genital cells in lori sheep
نویسندگان
چکیده
background: the role of thyroid hormones has been recognized in normal embryo development many years ago. these hormones also affected the development of reproductive organs and their activity. objectives: this study was conducted to investigate the effect of inducing hypothyroidism by propyl-2-thiouracyl (ptu) on lambs testicular histomorpho-logy and plasma testosterone concentration. methods: eighteen lori-bakhtari male lambs were divided to 3 groups (n=6) and each received one of the treatments as control (c: 0 mg ptu/kg bw), low (l: 10 mg ptu/kg bw) and high (h: 20 mg ptu/kg bw) by gavages, during a 60d experimental period. at the end of the trial, lambs were slaughtered and testes were removed to evaluate their histomorphological characteristics. results: mean concentration of t4 and t3 decreased significantly in l and h groups compared with c group (p
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عنوان ژورنال:
تحقیقات دامپزشکیجلد ۶۹، شماره ۳، صفحات ۲۳۷-۲۴۴
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