01132nam a2200265 a 450000100080000000500110000800800410001910000190006024501150007926000720019450001080026652002660037465000210064065000090066165000170067065000170068765000230070465000160072765000180074365300250076170000170078670000200080370000260082370000170084921000892018-11-29 2018 bl uuuu u00u1 u #d1 aMINGOTI, G. Z. aUse of melengestrol acetate in nutritional blocks for heifers under extensive pastures.h[electronic resource] aAnimal Reprodroduction, v. 15, n. 3, p. 316, jul./sept. 2018.c2018 aEdição dos Proceedings of the 32 nd Annual Meeting of the Brazilian Embryo Technology Society (SBTE). aThe objective of this study was to evaluate the supply of Melengestrol Acetate (MGA®, Zoetis, Brazil) added in nutritional blocks (Tecnoblock®) to Nellore heifers kept under extensive management on the estrus and pregnancy rates after natural breeding and AI. aAnimal fertility aBeef aInsemination aMelengestrol aFertilidade Animal aGado Nelore aInseminação aMelengestrol Acetate1 aNEVES, T. V.1 aSILVA, J. C. B.1 aOLIVEIRA, L. O. F. de1 aNOGUEIRA, E.