Repositorio Institucional - UADY: Envíos recientes
Mostrando recursos 5601-5620 de 6278
-
-
Effect of age and season on semen traits and serving capacity of Pelibuey rams under tropical conditions
The objective of this study was to evaluate the effect of age of the ram and season of the year on scrotal circumference, semen traits and serving capacity. Six Pelibuey rams were allocated to two age groups: young (n=3; ... -
-
Factors associated with the production of 30 or more piglets per sow per year in southeastern Mexico
The annual pig production is critical for producers managing commercial farms. Thus, the objective of the study was to determine the effect of some environmental factors on the production of 30 or more piglets per sow per ... -
Distribution, prevalence, and genetic analysis of Panulirus argus virus 1 (PaV1) from the Caribbean Sea
The pathogenic virus Panulirus argus virus 1 (PaV1) was first discovered in Caribbean spiny lobsters Panulirus argus from the Florida Keys (USA) in 1999 and has since been reported in Belize, Mexico, and Cuba; its distribution ... -
Length–weight and length–length relations, and relative condition factor of the red lionfish, Pterois volitans (Actinopterygii: Scorpaeniformes: Scorpaenidae), from two natural protected areas in the Mexican Caribbean
Biological invasions are often listed among the main threats to the ecosystem and are considered drivers of biodiversity loss. The Indo-Pacific lionfish, Pterois volitans (Linnaeus, 1758) (hereafter lionfish), invaded the ... -
Growth and mortality of red lionfish, Pterois volitans (Actinopterygii: Scorpaeniformes: Scorpaenidae), in the Parque Nacional Arrecife Alacranes, southern Gulf of Mexico, as determined by size-frequency analysis
Biological invasions represent a threat to the ecological stability of the ecosystem. Two lionfish species, the red lionfish and the devil firefish—both tropical marine predators native to the Indo–Pacific—were introduced ... -
Population structure and phylogeography in Nassau grouper (Epinephelus striatus), a mass-aggregating marine fish
To address patterns of genetic connectivity in a mass-aggregating marine fish, we analyzed genetic variation in mitochondrial DNA (mtDNA), microsatellites, and single nucleotide polymorphisms (SNPs) for Nassau grouper ... -
-
-
-
Diversidad de las comunidades de peces en dos áreas marinas protegidas del Caribe y su relación con el pez león
El pez león (Pterois volitans) invadió la región del Caribe y tiene el potencial de alterar la composición y estructura de las comunidades de peces en los arrecifes coralinos. El objetivo de este estudio fue analizar los ... -
-
-
Comportamiento productivo de vacas cruzadas en un sistema de doble propósito en Yucatán, México
Se analizó la información de producción y reproducción de vacas con 50 y 75% de genes Holstein, manejados en hatos de doble propósito en Yucatán, México. El trabajo consistió en un estudio retrospectivo de 222 lactancias ... -
-
-
Manipulation of the energy metabolism of ruminants in the tropics: options for improving meat and milk production and quality
Ruminant feeding in tropical regions is characterized by grass grazing. Throughout the year, grasses show variations in their availability and quality. Therefore, modern feeding systems must consider the energy requirements ... -
-