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Efecto de la adición de L-carnitina a la dieta de codornices japonesas (Coturnix coturnix japonica) variedad tejana gigante, sobre el comportamiento productivo, ganancia en peso corporal, conversión alimenticia y características de calidad en la canal en condiciones tropicales
(2019-12-03)
The objective of this study was to determine the effect of L-carnitine: 0, 50, or 100 mg/kg in the Japanese
quail var. Texas A&M under tropical conditions, from 1-11 weeks of age on production parameters.
Another goal ...
Evaluación de calidad del semen y comportamiento sexual de verracos en climas tropicales
(2018)
Semen quality and sexual behavior of Yorkshire boars raised in a tropical environment were evaluated during a whole year, using a 2x2x2 factorial arrangement with age (2 and 5 years), time of the day (AM and PM) and season ...
Balance de fósforo en vaquerías de Puerto Rico
(2005)
On-farm phosphorus (P) balances are of importance in order to identify critical control points in P feeding and management. Phosphorus mass balances were constructed in twelve pasture-based dairy farms of Puerto Rico, using ...
Efecto de las hormonas oxitocina y pgf2α durante la inseminación artificial sobre la eficiencia reproductiva en cerdas
(2007)
The effects of seminal supplementation with exogenous oxytocin or prostaglandin F2α (PGF2α) were evaluated on the reproductive performance of 33 Yorkshire or Landrace gilts during two seasons, high (> 77oF ) or low (≤ 77oF) ...
Efecto de la temperatura del aire, la radiación solar y el nivel de concentrado en la dieta sobre la temperatura vaginal bovina medida continuamente
(2008)
Body temperature is an excellent indicator of the health and well being of the animals, but the methods available for measuring it may pose difficulties and may not suit certain research needs. The objectives of this ...
Caracterización de cerdos híbridos de cuatro razas (Landrace, Yorkshire Duroc y Pietrain) para desempeño productivo, calidad de canal y calidad de carne bajo condiciones de clima tropical
(2008)
Ciento dieciséis cerdos híbridos (machos Pietrain x Duroc cruzados con hembras Landrace x Yorkshire o Yorkshire x Landrace), de catorce lechigadas, fueron evaluados para desempeño en crecimiento, calidad de canal y de carne ...
Segregation of heat shock factor-1, heat shock protein-70 and signal transducer of activation of transcription 1 polymorphisms in normal and slick coated cattle and its potential associations with molecular breeding values and phenotypical traits
(2018-05)
Heat stress (HS) in dairy cattle is one of the major problems that contribute to farmer’s financial losses in tropical and subtropical climates. Dairy cattle under HS have lower milk yields, deficiency in reproductive ...
Efecto de un sistema de enfrentamiento conductivo estratégico sobre la tasa de preñez bajo un trtatmiento modificado de OvSynch en ganado lechero bajo estrés por calor
(2015)
This study evaluated the effects of a strategic conductive cooling system (SCCS) on the pregnancy rate of dairy cattle in an ovulation synchronization program during two seasons, autumn and summer. Cows were distributed ...
Segregación de polimorfismos identificados en los genes de μ-Calpaina y Calpastatina y su relación con el crecimiento corporal y características de la canal de bovinos para carne en Puerto Rico
(2007)
La terneza de la carne es grandemente influenciada por la genética del animal. Durante la conversión del músculo a carne que ocurre en el período de almacenamiento, la degradación proteolítica es regulada principalmente ...
Evaluación de la capacidad termo regulatoria de la vaca criolla lechera de la República Dominicana
(2015)
The Criollo cattle from the Caribbean have been suggested as an alternative highly adapted to difficult environmental conditions. However, to our knowledge, there has not been extensive research about its thermoregulatory ...