Results 81 to 90 of about 15,871 (205)
ABSTRACT In tropical extensive beef cattle systems, heifers raised on pasture are exposed to various environmental challenges that affect their growth and reproductive performance during the first breeding. Resilience indicators derived from deviations in longitudinal traits can quantify the magnitude of these challenges and the ability of an animal to
Gustavo R. D. Rodrigues +11 more
wiley +1 more source
The aim of this study was to determine the energy metabolism and partition of lactating Gyr and F1 Holstein x Gyr (F1 HxG) cows in different planes of nutrition.
P. D. Carvalho +12 more
semanticscholar +1 more source
FACTORS AFFECTING HEAT TOLERANCE IN CROSSBRED CATTLE IN CENTRAL BRAZIL
This study compared the adaptation traits in common crosses of crossbred dairy cattle in central Brazil. Twenty animals of each of three genetic groups were used: zebu (Bos indicus), Simmental x Zebu (SZ) and Holstein x Zebu (HZ).
Concepta Margaret McManus +4 more
doaj +1 more source
On the origin of Indonesian cattle. [PDF]
BACKGROUND: Two bovine species contribute to the Indonesian livestock, zebu (Bos indicus) and banteng (Bos javanicus), respectively. Although male hybrid offspring of these species is not fertile, Indonesian cattle breeds are supposed to be of mixed ...
Kusdiantoro Mohamad +10 more
doaj +1 more source
Evolution des incisives chez les zébus malgaches [PDF]
Utilisant la méthodologie mise au point par Brazal Garcia, Roy, Dumont, sur des Taurins, l'auteur a observé la dentition de 708 zébus provenant de l'élevage extensif.
Gilibert, J.
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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
Para determinar as exigências energéticas e protéicas de animais mestiços leiteiros e zebu, castrados, nas fases de recria e engorda, foram utilizados 47 bovinos machos castrados, com peso vivo médio de 266 kg, sendo 16 zebu e 31 mestiços leiteiros (16 ...
Alfredo Acosta Backes +5 more
doaj +1 more source
La brucellose bovine en Afrique centrale. III. Résultats statistiques des enquêtes menées au Tchad et au Cameroun [PDF]
Les résultats statistiques obtenus lors d'enquêtes menées au Tchad et au Cameroun, de 1976 à 1980, sur la brucellose bovine sont exposés. Sur 14 344 sérums de femelles reproductrices analysés, plus de 30 p. 100 s'avèrent positifs (E.A.T.).
Bonnet, J.B. +5 more
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Objective: To assess the stability of 10 candidate internal control genes (ICGs), namely GAPDH, ACTB, RPL23, RPS15A, ATPSF1, GLUT5, HMBS, ATP2B4, PPIA, and BRP to normalize the transcriptional data from testes samples of Zebu and crossbred bulls. Methods:
Pradeep Nag +8 more
doaj +1 more source
Extériorisation des potentialités génétiques du zébu peulh sénégalais (Gobra) [PDF]
Trois taurillons appartenant à un lot d'animaux dont les potentialités génétiques ont été extériorisées par une alimentation rationnelle dès leur naissance sont abattus à 30, 29 et 27 mois.
Denis, Jean-Pierre, Valenza, Jean
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