Results 81 to 90 of about 14,334 (223)
Grass and Forage Science, Volume 81, Issue 3, July-September 2026.ABSTRACT Silvopasture systems integrate tree, forage, and livestock components, offering a sustainable intensification strategy that combines environmental and productive benefits, although shading may impose constraints on forage accumulation. This study aimed to evaluate forage accumulation, nutritive value, and beef cattle performance in pastoral ...
Ana Paula Corteze +8 more
wiley +1 more source
Caractérisation morphobiométrique du zébu Djelli du Niger
International Journal of Biological and Chemical Sciences, 2019 Le zebu peul (zebu Djelli) est l’une des races bovines qui constitue les cinq groupes (5) du cheptel bovin du Niger. Il est tres apprecie de par ses aptitudes zootechniques, mais son elevage est plus localise dans les departements et communes riveraines ...
Z. Yahaya +4 more
semanticscholar +1 more source
Journal of Animal Breeding and Genetics, Volume 143, Issue 4, Page 496-507, July 2026.ABSTRACT Climate change has intensified the need to reduce greenhouse gas emissions, particularly methane (CH4) from enteric fermentation. Genetic selection has emerged as a promising mitigation strategy; however, studies on Bos taurus indicus, especially Nellore cattle, remain limited.
J. A. Silva +10 more
wiley +1 more source
Tropical and Subtropical Agroecosystems, 2017 Records of beef cows from a ranch in southern Mexico gave 1967 birth weights (BW), 1587 weaning weights adjusted to 210 days of age (AWW) and 2001 calving intervals (CI) for the comparison of the breed groups: Brahman (BR), Guzerat (GU), Nellore (NE) and
J. Segura +5 more
semanticscholar +1 more source
Genetics and Molecular Biology, 2010 The resistance/susceptibility of selected cattle breeds to brucellosis was evaluated in an F1 population generated by crossing animals classified as resistant (R) and susceptible (S) (R x R, R x S, S x R, S x S) based on challenges in vitro and in vivo ...
Rodrigo Martínez +5 more
doaj +1 more source
ASIP Variants in Livestock: It's Not Black and White
Animal Genetics, Volume 57, Issue 3, June 2026.ABSTRACT Fur and feather pigmentation play an important role in the survival and reproduction of many species, as well as in selective breeding and agriculture. The synthesis of pigment molecules, eumelanin and pheomelanin, is partially regulated by the agouti signalling protein (ASIP) encoded by the ASIP gene.
Isabella M. Brown, Kylie A. Munyard
wiley +1 more source
Revista Brasileira de Zootecnia, 2005 Objetivou-se estimar parâmetros genéticos e fenotípicos de curvas de crescimento de modelos não-lineares. Foram analisados dados de pesagem constantes no banco de dados de Controle de Desenvolvimento Ponderal da Associação Brasileira de Criadores de Zebu
Kleber Régis Santoro +3 more
doaj +1 more source
Ecology and Evolution, 2016 The enteric methane conversion factor (Y m) is an important country‐specific value for the provision of precise enteric methane emissions inventory reports.
C. Kaewpila, K. Sommart
semanticscholar +1 more source
New Zealand Journal of Agricultural Research, Volume 69, Issue 3, June 2026.This study evaluated heat tolerance and biochemical and haematological responses of Holstein cows exposed to different environmental conditions (full sun or shade) and feeding regimens (with or without concentrate) in the semi‐arid region of Brazil. Sixteen adult cows were distributed across four treatments.
David Ramos da Rocha +11 more
wiley +1 more source
Uso de LH como indutor de ovulação em protocolo de IATF para Novilhas da raça Nelore
Colloquium Agrariae, 2011 Na produção de bovinos de corte, a eficiência da fase de cria é um dos fatores determinantes da viabilidade bioeconômica do sistema de produção. Apesar das raças zebuínas serem menos precoces que as raças européias, um manejo nutricional adequado ...
Edson Massao Taira +5 more
doaj