This study is part of a concerted effort to identify and phenotype rare, deleterious mutations that adversely affect sperm quality, or convey high developmental and fertility potential to embryos and ensuing progeny. A rare, homozygous mutation in EML5 (EML5R1654W), which encodes a micr...

This study aimed to evaluate the ovarian structure, estrus intensity, ultrasound carcass measurements, and pregnancy rate of Nelore breed heifers and cows in accordance with antral follicle counts (AFCs). We evaluated 503 heifers and 565 Nelore cows, with a mean age of 15.5±2.2 and...

This text present new records of occurrence of Schneider?s Dwarf Caiman, Paleosuchus trigonatus and extend its geographical distribution. Eight individuals were caught in the following locations: Sangue River, in the municipality of Campo Novo dos Parecis, Claro River and Marapi River, in&#x...

As coleções biológicas são constituídas por organismos vivos ou mortos, preservados para estudos taxonômicos, documentação a partir de testemunhos e preservação de material genético. Portanto, possuem um papel fundamental no conhecimento e na conservação da biodiversidade. O trabalho caracteriza a...

This study aimed to monitor the variation of forage mass availability of Pantanal areas with native and mixed pasture, grazing place for cattle. It is part of PECUS Network - Greenhouse gases (GHG) dynamics in livestock production systems from Brazil.

As inundações periódicas, peculiares do Pantanal, são fundamentais para os processos ecológicos e requerem a adaptação das atividades humanas. Com esse trabalho procurou-se obter um 'framework' (estrutura) de um sistema de monitoramento e suporte à tomada de decisão quanto às inundações&#...

A Vitex agnus castus L. é uma planta que contem um óleo essencial concentrado nas folhas, eventualmente utilizado no tratamento de problemas hormonais no período pré-menstrual e a menopausa. O presente estudo avaliou o rendimento do óleo essencial de suas folhas em distintos períod...

Due the relevance of the Zebu and the increasing use of production in vitro (PIV) of embryo in Brazil, we evaluated the pregnancy rates of Nelore recipients inovulated with fresh or vitrified IVP embryos obtained from Nelore donor oocytes from slaughterhouse (SLAUGHTER, n = 66...

It is known that cows that express estrus submitted to TAI protocols, have better pregnancy rates (Borges et al. 2011). So the goal was to test alternative to visual estrus observation, evaluating the effect of estrus expression with the assistance of tail-chalk on pregnancy r...