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The effects of gelatin supplementation prior to cooling on ram semen quality and fertility. The physical and chemical characteristics of gelatin have been used to justify its inclusion in extenders to preserve the sperm quality and improve results of cervical artificial insemination with coo... ... Repository: BDPA Publication year: 2018
Effect of ß-Mercaptoetanol and cysteine on post-thawing quality and oxidative activity of ram sperm and on the viability of vitrified sheep embryos. Repository: BDPA Publication year: 2016
Biostimulation with the ram effect increases the embryo quality in superovulated ewes. The pulsatile release of luteinizing hormone (LH) induced by the male effect may play a beneficial role in embryonic viability during superovulation. The objective of the present study was to determin... ... Repository: BDPA Publication year: 2024
The effect of the addition of seminal plasma and antioxidants to frozen thawed ram semen. The seminal plasma (SP) is a complex mixture of components as proteins, sugars and antioxidants. Repository: BDPA Publication year: 2008
The influence of different methods of frozen-thawed ovine spermatozoa selection on sperm capacitation and viability after incubation. Abstract: Sperm capacitation is an essential event for fertilization; however, it decreases the sperm lifespan and viability. The aim of this study was to evaluate the effects of four sperm selection... ... Repository: BDPA Publication year: 2015
Guia prático para seleção visual de matrizes e carneiros. Padrão Racial; Idade; Oclusões Defeituosas; Cascos; Escore de Condição Corporal; Peso; Aprumos; Coloração da Mucosa Ocular; Aspecto Físico; Úbere; Testículos; Prepúcio; Pênis; Libido; Estrutura Óssea;... ... Repository: BDPA Publication year: 2013
Effect of elevated atmospheric carbon dioxide concentration on rice blast in open-top chambers in Brazil. Repository: BDPA Publication year: 2008
Dry matter intake in crossbred dairy calves. Repository: BDPA Publication year: 2013
Growth and phosphorus absorption by common bean 'Xodó' genotype under effect of glyphosate reduced rates. Avaliou-se o efeito de subdoses de glyphosate no crescimento e na absorção de fósforo (P) pelo feijoeiro comum (Phaseolus vulgaris L.) cv. Xodó. O experimento foi conduzido em esquema fatorial 4 x 2 e... ... Repository: BDPA Publication year: 2012
Sergio Mascarenhas a polymath in physics. Sergio Mascarenhas was born in Rio de Janeiro on May 2, 1928, and sadly passed away on May 31, 2021, at the age of 93, after a prolifc life dedicated to developing science and technology in Brazil. Se... ... Repository: BDPA Publication year: 2022

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