Results 11 to 20 of about 3,892 (153)

Influence of Nutritional Strategies on Performance, Gut Barrier Function and Microbiota Composition in Weaned Piglets [PDF]

open access: yesAnimals
The restriction of antibiotics and therapeutic zinc oxide in piglet diets has increased challenges related to gut health and post-weaning performance. This study assessed the effects of a diet supplemented with organic acids and the probiotic Clostridium
Sara Isusi   +5 more
doaj   +2 more sources

The Role of Phosphorus Sources and Phytase in Growth Performance and Feed Digestibility in Broilers [PDF]

open access: yesAnimals
Phosphorus (P) is an essential mineral in poultry nutrition, but its low bioavailability from conventional feed ingredients presents a significant challenge for efficient utilization.
Edouard Coudert   +6 more
doaj   +2 more sources

Relationship between Somatic Cell Score and Fat Plus Protein Yield in the First Three Lactations in Spanish Florida Goats

open access: yesDairy, 2023
The aim of this study was to estimate genetic parameters of somatic cell score (SCS) and fat plus protein yield (FPY) using repeatability (RM) and random regression (RRM) models in Florida goats.
Rocío Jiménez-Granado   +4 more
doaj   +1 more source

Classical, Molecular, and Genomic Cytogenetics of the Pig, a Clinical Perspective

open access: yesAnimals, 2021
The chromosomes of the domestic pig (Sus scrofa domesticus) are known to be prone to reciprocal chromosome translocations and other balanced chromosome rearrangements with concomitant fertility impairment of carriers.
Brendan Donaldson   +2 more
doaj   +1 more source

Intravaginal Device-Type and Treatment-Length for Ovine Estrus Synchronization Modify Vaginal Mucus and Microbiota and Affect Fertility

open access: yesAnimals, 2018
Induction and synchronization of estrus and ovulation in sheep is based on intravaginal progestagen-impregnated polyurethane sponges or progesterone-loaded silicon-based devices (CIDR), in either short- (6–7 days) or long-term (12–14 days) protocols ...
Paula Martinez-Ros   +6 more
doaj   +1 more source

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

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