Results 21 to 30 of about 29,889 (244)

Differential hepatic oxidative status in steers with divergent residual feed intake phenotype

open access: yesAnimal, 2020
Oxidative stress occurs when oxidant production exceeds the antioxidant capacity to detoxify the reactive intermediates or to repair the resulting damage.
A. Casal   +4 more
doaj   +1 more source

Abundance modelling of invasive and indigenous Culicoides species in Spain

open access: yesGeospatial Health, 2013
In this paper we present a novel methodology applied in Spain to model spatial abundance patterns of potential vectors of disease at a medium spatial resolution of 5 x 5 km using a countrywide database with abundance data for five Culicoides species ...
Els Ducheyne   +8 more
doaj   +1 more source

Effects of short-term intravaginal progestagen treatment on fertility and prolificacy after natural breeding in sheep at different reproductive seasons

open access: yesJournal of Applied Animal Research, 2019
The present study indicates that short-term progestagen-based protocols for synchronization of estrus and ovulation in sheep involving 7 days of progestagen insertion with administration of prostaglandin F2α at either insertion or removal of the ...
Paula Martinez-Ros   +4 more
doaj   +1 more source

Influence of Progesterone-Treatment Length and eCG Administration on Appearance of Estrus Behavior, Ovulatory Success and Fertility in Sheep

open access: yesAnimals, 2018
The present study characterizes, for sheep, the occurrence and timing of the onset of estrus behavior and ovulation and the yields obtained (ovulation rate, progesterone secretion, and fertility) after Controlled Internal Drug Release (CIDR) insertion ...
Paula Martinez-Ros   +2 more
doaj   +1 more source

Milk Production of Lacaune Sheep with Different Degrees of Crossing with Manchega Sheep in a Commercial Flock in Spain

open access: yesAnimals, 2020
The objective of the present study was to evaluate the effect of the grade of crossbreeding (Lacaune x Manchega) and environmental factors on milk production in a commercial flock in Spain.
Lizbeth E. Robles Jimenez   +6 more
doaj   +1 more source

Consideraciones sobre ensilajes de sorgo. [PDF]

open access: yes, 2020
Cultivares y características agronomicas; Produccion de materia seca; Taninos; Digestión de los taninos en ruminantes; Tenores de taninos en los ensilajes de sorgo; Ensilajes de sorgo; Calidad del ensilaje; Valor nutritivo; Consumo, digestibilidad y ...
GONÇALVES, L. C.   +3 more
core  

Production Flexibility in Extensive Beef Farming Systems

open access: yesEcology and Society, 2011
The aim of this work is to assess the flexibility of production allowed by extensive production conditions faced with variations in the environment, i.e., market variations and climatic fluctuations, of Limousin beef systems.
Laura Astigarraga, Stéphane Ingrand
doaj   +1 more source

Effects of a Nanoencapsulated Moringa Leaf Ethanolic Extract on the Physiology, Metabolism and Reproductive Performance of Rabbit Does during Summer

open access: yesAntioxidants, 2021
This study investigated the effect of Moringa leaf ethanolic extract (MLEE) on heat-tolerance variables and the reproductive performance of rabbit does bred under hot climate conditions.
Nagwa I. El-Desoky   +4 more
doaj   +1 more source

The estimation of genetic parameters for growth curve traits in Raeini Cashmere goat described by Gompertz model [PDF]

open access: yes, 2018
The objectives of this study were to describe growth curve of Raeini Cashmere goat applying the Gompertz growth model and genetic evaluation of growth curve-related traits including model parameters of A, B and K, inflection age (IA) and inflection ...
Ghiasi, Heydar   +2 more
core   +1 more source

Glicerina bruta ou glicerol na dieta de cordeiros: Uma metánalise – Desempenho, carcaça e carne

open access: yesPubvet, 2019
A intensificação da produção de biodiesel gera inevitavelmente o subproduto glicerina bruta, que tem pouca saída para outros usos principalmente por sua pureza. A inclusão de glicerina bruta (GB) ou glicerol (G) como fonte de energia, principalmente como
Gustavo Daniel Vega Britez   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy