Results 41 to 50 of about 792,496 (409)

Effect of Supplemental Manganese on Mineral Uptake by Tissues and Immune Response in Broiler Chickens

open access: yesThe Journal of Poultry Science, 2006
Two feeding trials were simultaneously conducted using 240 and 120 broiler chicks (Hubbard) for evaluating the mineral retention by tissues and immune competence, respectively as influenced by manganese (Mn) levels in feed.
Gajula Shyam Sunder   +5 more
doaj   +1 more source

Genome-wide association study for carcase traits in spent hens at 72 weeks old

open access: yesItalian Journal of Animal Science, 2019
To determine the genetic architecture underlying spent hen carcase traits, especially in late laying, we used 1512 hens generated from Dongxiang Blue-Shelled and White Leghorn chickens to implement genome-wide association studies by high-density arrays ...
Meng Ma   +9 more
doaj   +1 more source

Elucidation of the genetic determination of clutch traits in Chinese local chickens of the Laiwu Black breed

open access: yesBMC Genomics, 2023
Background Egg laying rate (LR) is associated with a clutch, which is defined as consecutive days of oviposition. The clutch trait can be used as a selection indicator to improve egg production in poultry breeding.
Jie Wang   +11 more
doaj   +1 more source

Identifying Signatures of Selection Related to Comb Development

open access: yesThe Journal of Poultry Science, 2021
The aim of this study was to identify genes involved in comb development to provide insights into the molecular mechanism of chickens' comb formation.
Yunjie Tu   +7 more
doaj   +1 more source

Strategies to modulate the intestinal microbiota and their effects on nutrient utilization, performance, and health of poultry

open access: yesJournal of Animal Science and Biotechnology, 2019
Poultry is widely produced and consumed meat globally. Its demand is expected to continue increasing to meet the animal protein requirement for ever-increasing human population. Thus, the challenge that poultry scientists and industry face are to produce
S. Yadav, R. Jha
semanticscholar   +1 more source

Challenges to the Poultry Industry: Current Perspectives and Strategic Future After the COVID-19 Outbreak

open access: yesFrontiers in Veterinary Science, 2020
Poultry immunity, health, and production are several factors that challenge the future growth of the poultry industry. Consumer confidence, product quality and safety, types of products, and the emergence and re-emergence of diseases will continue to be ...
H. Hafez, Y. Attia
semanticscholar   +1 more source

High throughput genomic sequencing of bioaerosols in broiler chicken production facilities [PDF]

open access: yes, 2016
Chronic inhalation exposure to agricultural dust promotes the development of chronic respiratory diseases among poultry workers. Poultry dust is composed of dander, chicken feed, litter bedding and microbes.
Bair, Thomas   +6 more
core   +2 more sources

Probiotics in poultry feed: A comprehensive review.

open access: yesJournal of animal physiology and animal nutrition, 2020
The use of antibiotics to maintain animal well-being, promote growth and improve efficiency has been practised for more than 50 years. However, as early as the 1950s, researchers identified concern on the development of resistant bacteria for the ...
M. A. Abd El-Hack   +7 more
semanticscholar   +1 more source

Overview of the Use of Probiotics in Poultry Production

open access: yesAnimals, 2021
Simple Summary Probiotics are feed additives that have gained popularity in poultry production following the ban of antibiotic growth promoters (AGP).
Katarzyna Krysiak   +2 more
semanticscholar   +1 more source

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