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Dr Association of bone morphogenetic protein 15 and growth differentiation factor 9 with litter size in livestock: a review study

Ajafar, Majeed Hameed; Kadhim, Alaa Hasan; AL-Thuwaini, Tahreer Mohammed; Al-Shuhaib, Mohammed Baqur Sahib; Hussein, Tamadhur Hani.
Acta sci., Anim. sci; 45: e57927, 2023. tab, graf, ilus
Artigo em Inglês | VETINDEX | ID: biblio-1413078


Litter size is one of the crucial factors in livestock production and is of high economic value, which is affected by ovulation rate, hormones, and growth factors.Growth factors play a multifaceted role in reproductive physiology. This review aims to investigate the association of bone morphogenetic protein 15 (BMP15) and growth differentiation factor 9 (GDF9)with litter size in livestock.The transforming growth factor ß(TGF-ß) superfamily includes more than 34 members; GDF9 and BMP15 are among the most significantfactors for regulating fertility and litter size in most livestock species. Ovarian follicles release BMP15 and GDF9 that are involved in the maturation of primary follicles into the basal form, proliferation of granulosa and theca cells, steroidogenesis, ovulation, and formation of the corpus luteum. Besides, these factors are highly expressed in oocytes and are necessary for female fertility and multiple ovulation in several livestock species. Animals with two inactive copies of these factors are sterile, while those with one inactive copy are fertile. Thus, the present reviewprovides valuable information on the association of BMP15 and GDF9with litter size in livestock that can be used as biological markers of multiple ovulation or for improving fertility in livestock.(AU)
Biblioteca responsável: BR68.1