O objetivo neste trabalho foi avaliar o florescimento e a produção de sementes de híbridos de três progênies de irmãos-germanos de P. maximum dos cruzamentos entre a progenitora sexual S10 e as cultivares Tanzânia e Mombaça e a progenitora sexual S12 e a cultivar Tanzânia.

ABSTRACT - Bovines are suitable hosts and can be affected by fly infestations. Flies pose a significant threat to cattle livestock in Latin America (LA), causing substantial economic repercussions to animal production (reduced productivity, veterinary expenses, and decreased animal welfare) and&#...

O presente estudo teve como objetivo avaliar os efeitos de diferentes grupos genéticos maternos e paternos no desempenho, característica de carcaça e qualidade da carne de animais provindos de cruzamento industrial envolvendo Bos taurus indicus (Nelore) e Bos taurus taurus (Caracu e Abe...

ABSTRACT - The objective was to evaluate the pregnancy rate and pregnancy loss of precocious Nellore heifers submitted to one or two previous cyclicity inductions to TAI (timed artificial insemination). A total of 572 Nellore nulliparous aged 12 to 14 months-old were used, divided&...

Analyses of cryopreserved semen batches are carried out using various technologies, including microscopy with sub-jective analysis and CASA (Computer-assisted semen analy- sis), focusing on different abilities of the sperm. The choice of semen for AI largely affects the final result. Thus, i...

ABSTRACT - This study aimed to evaluate the efficiency of recombinant bovine somatotropin (rbST) on pregnancy rate (PR), dominant follicle diameter (DFD) pre-ovulatory follicle diameter (DFPO), and follicular growth rate (FGR) in Bos indicus cows with low body condition score (BCS; mean ...

A mosca-dos-estábulos é um inseto hematófago que se alimenta de animais de sangue quente provocando sérios prejuízos na pecuária e na agricultura, em especial no setor sucroenergético. Por também atingir seres humanos, o manejo dessa praga deve ser pensado dentro dos princípios do ...

ABSTRACT - While antral follicle count (AFC) has been associated with higher pregnancy rates, at present, our understanding of it as a reproductive parameter remains incomplete. This study aimed to characterize gene expression profile of oocytes from crossbred Bos taurus x Bos indicus&#...

ABSTRACT - The objective of this study was to assess the prevalence and compare the morphological aspects of sperm nuclei abnormalities in beef bulls submitted to breeding soundness evaluation (BSE). Semen samples were collected by electroejaculation from 649 beef bulls (Bos indicus, n&...