Results 81 to 90 of about 18,633 (214)

The Trypanotolerant Livestock Network in West and Central Africa [PDF]

open access: yes, 2011
Describes the background to the problem of trypanosomiasis in Africa, identifying Bos taurus & Bos indicus types of trypanotolerant breeds & discussing the importance of their use in the exploitation of tsetse-infested areas of Africa.
Murray, M., Trail, J.C.M., Wissocq, Y.J.
core  

Effects of Liposome‐Encapsulated α‐Pinene on In Vitro Oocyte Maturation and Embryo Development in Bovine Species

open access: yesMolecular Reproduction and Development, Volume 93, Issue 2, February 2026.
ABSTRACT Oocyte in vitro maturation (IVM) represents a crucial phase in embryo production, often compromised by reactive oxygen species (ROS). Strategies to mitigate ROS are essential to improve oocyte quality. This study investigated the effects of liposome‐encapsulated α‐pinene (Lip‐α‐pinene) on bovine oocyte IVM and embryonic development following ...
Venância Antonia Nunes Azevedo   +11 more
wiley   +1 more source

Hormonal protocols for in vitro production of Zebu and taurine embryos

open access: yesPesquisa Agropecuária Brasileira, 2014
The objective of this work was to evaluate the effects of hormonal synchronization protocols, associated or not with follicular development stimulation, on the recovery of oocytes and on in vitro production of Bos indicus and B.
Carlos Antônio de Carvalho Fernandes   +7 more
doaj   +1 more source

An attempt to correlate cattle breed origins and diseases associated with or transmitted by the tick Amblyomma variegatum in the French West Indies [PDF]

open access: yes, 1993
A l'aide de données biologiques et de la recherche historique, on a essayé d'expliquer la différence, en ce qui concerne la résistance et la sensibilité aux maladies transmises par (cowdriose) ou associées à (dermatophilose) la tique Amblyomma variegatum,
Accipe, A.   +7 more
core  

Cytogenetic and molecular analysis of the Pantaneiro cattle breed Análise citogenética e molecular do bovino Pantaneiro

open access: yesPesquisa Agropecuária Brasileira, 2006
The objective of this work was to characterize Pantaneiro cattle genetically through its paternal ancestry by the morphology of the Y chromosome, whether submetacentric or acrocentric, as well as to identify the maternal ancestry through mitochondrial ...
Érica Cunha Issa   +2 more
doaj   +1 more source

Estimating the Returns from Past Investment into Beef Cattle Genetic Technologies in Australia [PDF]

open access: yes
Research and Development/Tech Change/Emerging Technologies,
Banks, Rob   +4 more
core   +1 more source

Produção de Leite em Primíparas de Bovinos Hereford e Desenvolvimento Ponderal de Terneiros Cruzas Taurinos e Zebuínos

open access: yesRevista Brasileira de Zootecnia, 2002
O objetivo deste trabalho foi avaliar a produção de leite de vacas de corte primíparas e o desenvolvimento ponderal dos terneiros de dois genótipos entre o nascimento e o desmame.
Mendonça Gilson de   +3 more
doaj  

Human animal relationships in Bos indicus cattle breeds addressed from a Five Domains welfare framework

open access: yesFrontiers in Veterinary Science
The present review has two objectives, the first is to investigate the differences in temperament between Bos indicus and Bos taurus breeds and determining the effects on production due to positive treatment and to compare this with negative HAR, by ...
Daniel Mota-Rojas   +10 more
doaj   +1 more source

Genetic diversity among bovine racial subpopulations of Costa Rica

open access: yesAgronomía Costarricense, 2015
Genetic diversity among bovine racial subpopulations of Costa Rica. The objetive of this study was to quantify the genetic diversity among 16 bovine racial subpopulations of Costa Rica, based on 1412 samples of bovine DNA from around the country, which ...
Marco Martínez   +4 more
doaj  

Variações de cortisol sérico em bovinos de corte (Bos taurus indicus) Nelore e (Bos taurus indicus x Bos taurus taurus) cruzamento industrial, durante o processo de abate

open access: yesPubvet, 2008
O experimento realizado teve como objetivo verificar os níveis de cortisol sérico em bovinos de corte durante o processo de abate. Foram avaliadas as concentrações de cortisol sérico em (Bos taurus indicus) Nelore e (Bos taurus indicus x Bos taurus taurus) Cruzamento Industrial.
Robson André Ottersbach   +2 more
openaire   +1 more source

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