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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...
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 - 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&...
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 - 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&...
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 ...
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...
This study aimed to identify morphoagronomic traits that discriminate waterlogging tolerance in tropical forage grasses and to assess the performance of genotypes with contrasting responses under controlled conditions, providing practical criteria for earlystage selection in breeding programs.
RESUMO - A idade ao primeiro parto (IPP) em rebanhos Nelore é um indicador relevante de eficiência reprodutiva e econômica, pois determina o início da vida produtiva das fêmeas. Estudos recentes identificaram regiões genômicas associadas à IPP e genes candidatos ligados à precocidade...
Livestock systems must progress on the basis of the highest scientific standards. They are too precious to society to become the victim of simplification, reductionism or zealotry. These systems must continue to be embedded in and have broad approval of society. For that, scientist...
- 188 VALLE, C. B. do
- 185 ALMEIDA, R. G. de
- 166 JANK, L.
- 149 GOMES, R. da C.
- 142 FERNANDES, C. D.
- 137 EUCLIDES, V. P. B.
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- 126 MACEDO, M. C. M.
- 122 VERZIGNASSI, J. R.
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