Results 1 to 10 of about 31,757 (259)

Morphological assessment of the Zebu Bororo (Wodaabé) cattle of Niger in the West African zebu framework [PDF]

open access: goldArchives Animal Breeding, 2017
A total of 357 adult cows and 29 sires belonging to the long-horned Niger Zebu Bororo cattle population were assessed for 13 body measurements and 11 qualitative traits.
M. M. A. Moussa   +11 more
doaj   +5 more sources

Assessment of Mutation Drift Equilibrium and the Occurrence of a Recent Genetic Bottleneck in South Indian Zebu Cattle [PDF]

open access: goldAnimals, 2022
During the last few decades, the effective population size of indigenous zebu cattle breeds has declined drastically, resulting in the classification of some of them into the vulnerable, endangered, or critically endangered category.
Vandana Manomohan   +8 more
doaj   +2 more sources

Follicular dynamics in zebu cattle [PDF]

open access: diamondPesquisa Agropecuária Brasileira, 2000
The aim of this study was to investigate the follicular dynamics during estrous cycle in Gir breed (Bos indicus) cows. Follicular growth and atresia during estrous cycle were evaluated using a portable ultrasound device. Luteal activity was evaluated by serum progesterone levels.
J. H. M. Viana   +3 more
openalex   +6 more sources

Avaliação de esquemas de seleção alternativos para bovinos Zebus de dupla aptidão [PDF]

open access: goldRevista Brasileira de Zootecnia, 2000
Utilizando-se simulação determinística, foram avaliados seis esquemas de melhoramento, com diferentes grupos de informações: (1) somente características de crescimento, (2) somente características leiteiras, (3) características de crescimento e ...
Raimundo Nonato Braga Lôbo   +2 more
doaj   +2 more sources

Does vitamin blends supplementation affect the animal performance, carcass traits, and nutrient digestibility of young Nellore finishing bulls? [PDF]

open access: yesAnimal Bioscience, 2023
Objective This study was realized to evaluate the effects of supplementation with blends of water and fat-soluble vitamins on animal performance and carcass traits of young Nellore bulls.
Dhones Rodrigues de Andrade   +11 more
doaj   +1 more source

Indigenous cattle of Sri Lanka: Genetic and phylogeographic relationship with Zebu of Indus Valley and South Indian origin

open access: yesPLoS ONE, 2023
The present study reports the population structure, genetic admixture and phylogeography of cattle breeds of Sri Lanka viz. Batu Harak, Thawalam and White cattle.
Lokugalappatti L. G. S.   +10 more
doaj   +3 more sources

Glutathione and IGF-1 in bovine seminal cryopreservation: oxidative stress response and pregnancy rate [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2021
The objective of this study was to evaluate the rate of conception, metabolic, and structural conditions of cryopreserved bovine sperm cells, plus extender with IGF-1 and glutathione (GSH).
D.S. Almeida   +7 more
doaj   +1 more source

Energy metabolism of pregnant zebu and crossbred zebu dairy cattle

open access: yesPLOS ONE, 2021
The purpose of this study was to determine the energy partition of pregnant F1 Holstein x Gyr with average initial body weight (BW) of 515.6 kg and Gyr cows with average initial BW of 435.1 kg at 180, 210 and 240 days of gestation, obtained using respirometry. Twelve animals in two groups (six per genetic group) received a restricted diet equivalent to
Helena Ferreira Lage   +16 more
openaire   +4 more sources

On the Breeds of Cattle—Historic and Current Classifications [PDF]

open access: yes, 2011
Classification of cattle breeds contributes to our understanding of the history of cattle and is essential for an effective conservation of genetic diversity.
Adametz   +92 more
core   +2 more sources

Anticorps monoclonaux anti-IgGs de zébu. Réactivités comparatives

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1998
En utilisant des anticorps monoclonaux (Amclx) anti-IgGs de zébu, plusieurs sortes d'épitopes ont pu être identifiés : spécifiques du zébu, communs au zébu et au boeuf, au zébu et au mouton ou aux trois espèces.
C. Atrax, E. Nakounne, J. Vincent
doaj   +1 more source

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