Results 31 to 40 of about 32,248 (275)
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
Evaluating the roles of directed breeding and gene flow in animal domestication [PDF]
Peer ...
Capriles, Jose M. +3 more
core +1 more source
Follicular dynamics in zebu cattle [PDF]
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.
VIANA, JOÃO HENRIQUE MOREIRA +3 more
openaire +4 more sources
Resource partitioning among African savanna herbivores in North Cameroon: the importance of diet composition, food quality and body mass [PDF]
The relationship between herbivore diet quality, and diet composition (the range of food plants consumed) and body mass on resource partitioning of herbivores remains the subject of an ongoing scientific debate.
Brunsting, A.M.H. +6 more
core +2 more sources
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 +1 more source
Interrogation of modern and ancient genomes reveals the complex domestic history of cattle [PDF]
The analysis of mitochondrial and nuclear DNA sequence polymorphisms from modern cattle populations has had a profound impact on our understanding of the events surrounding the domestication of cattle.
Achilli +116 more
core +1 more source
Characteristics of feeding and breeding practices for intensification of smallholder dairy systems in the Kenya highlands [PDF]
This study aimed at better understanding of the characteristics of feeding and breeding practices smallholder farmers adopt in intensifying their dairy production.
Bebe, B.O., Thorpe, W., Udo, H.M.J.
core +13 more sources
Inferencia del origen del bovino Criollo Cubano a través del análisis de patri- y matrilinajes [PDF]
Antes de descubrimiento, no existían bovinos en América. Los primeros, fueron introducidos en la Antillas Mayores (La Española, Puerto Rico, Jamaica y Cuba), y desde allí trasladados al resto de Latinoamérica.
Acosta, A. +7 more
core +2 more sources
We evaluated the physicochemical characteristics of crossbred bulls with European or zebu genetic predominance fed in feedlot with diets with high concentrate (80%) and grain millet levels to replace corn grain (0, 33, 66 and 100%).
Rodrigo Medeiros da Silva +5 more
doaj +1 more source
The objective of this study was to evaluate pregnancy rate from fixed-time artificial insemination (FTAI) performed in cows related to an estrus scores breeding indicator and measurement of preovulatory follicular diameter (POF). Forty-three crossbred
Ludimila Cardoso Zoccal Janini +4 more
doaj +1 more source

