Results 1 to 10 of about 3,953 (134)

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

Selection Criteria for Improving Fertility in Spanish Goat Breeds: Estimation of Genetic Parameters and Designing Selection Indices for Optimal Genetic Responses

open access: yesAnimals, 2021
The aim of this study was to estimate genetic parameters for several female fertility criteria and to choose the most suitable selection index in Spanish Florida and Payoya goat breeds.
Chiraz Ziadi   +5 more
doaj   +1 more source

The Use of hCG for Inducing Ovulation in Sheep Estrus Synchronization Impairs Ovulatory Follicle Growth and Fertility

open access: yesAnimals, 2021
Currently, there is an intense effort to find an alternative hormone to eCG to induce ovulation after estrus synchronization treatments in sheep. One of the proposed alternatives is based on the use of hCG, but the results are controversial since ...
Macarena Bruno-Galarraga   +5 more
doaj   +1 more source

Designing Selection Indices for the Florida Dairy Goat Breeding Program

open access: yesDairy, 2023
The aim of this study was to compare selection indices for important traits in intensive Spanish goat breeds in four economic scenarios, using the Florida as most representative breed of this production system in Spain.
Chiraz Ziadi   +3 more
doaj   +1 more source

Use of GnRH-Encapsulated Chitosan Nanoparticles as an Alternative to eCG for Induction of Estrus and Ovulation during Non-Breeding Season in Sheep

open access: yesBiology, 2023
This study is aimed at determining the reproductive performance of anestrous ewes treated with nanoencapsulated GnRH after a progesterone-based protocol for estrus induction was proposed as a way of replacing eCG. A total of sixty anestrous, multiparous,
Nesrein M. Hashem   +5 more
doaj   +1 more source

Cardiac Radiographic Measurements in Ferrets Using the OsiriX MD Programme

open access: yesFrontiers in Veterinary Science, 2022
Objectives: To adapt the vertebral heart scale (VHS) for use in ferrets and identify new scales and tools that allow to establish the normal heart size by means of radiography more quickly and effectively.Methods: Forty healthy pet ferrets (Mustela ...
Alejandro Gutiérrez   +3 more
doaj   +1 more source

Use of GnRH for Synchronization of the Follicular Wave in Assisted Reproductive Technologies in Sheep: A Preliminary Study

open access: yesAnimals, 2020
The present study aimed to set up a short-term protocol for synchronization of follicular wave emergence in sheep, concomitant with estrus synchronization, which would improve ovarian response in assisted reproductive technologies.
Aina Año-Perello   +4 more
doaj   +1 more source

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