Results 91 to 100 of about 182,497 (230)

Effect of hen age, environmental temperature, and oviposition time on egg shell quality and egg shell and serum mineral contents in laying and broiler breeder hens

open access: yes, 2018
The aim of the study was to evaluate egg shell quality characteristics, mineral content in the egg shell, and serum mineral concentration during the egg formation process as influenced by oviposition time and ambient temperature at the beginning and end ...
E. Tůmová, R. Gous, N. Tyler
semanticscholar   +1 more source

Effect of restricted feed intake in broiler breeder hens on their stress levels and the growth and immunology of their offspring

open access: yesTranslational Animal Science, 2018
The prenatal environment has been shown to have significant effects on the lifelong health of offspring in humans and other species. Such effects have not been studied extensively in avian species but could prove important, especially in the case of ...
M. Bowling   +4 more
semanticscholar   +1 more source

Context‐Dependent Effects of Amino Acid Supplementation on Nestling Growth and Baseline Innate Immune Function

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
We experimentally supplemented great tit nestlings with methionine, leucine, or tap water to test how essential amino acids influence growth and immune function in forest and suburban habitats. Supplementation increased mass gain in smaller forest nestlings and enhanced lysis activity with methionine in suburban populations.
Ashetu Debelo Terefa   +3 more
wiley   +1 more source

The effect of hydroxy‐selenomethionine on the productive and reproductive performance of old broiler breeders

open access: yesVeterinary Medicine and Science
Background Selenium (Se) is a rare essential element that plays a vital role in the health and performance of animals. By interfering in the production of antioxidant enzymes such as glutathione peroxidase, thioredoxin reductase and methionine sulfoxide,
Ahmad Manafi   +5 more
doaj   +1 more source

Akkermansia muciniphila enhances chicken resistance to infectious bronchitis virus by boosting GABA synthesis and suppressing the NF‐κB inflammatory pathway

open access: yesiMetaOmics, Volume 3, Issue 1, March 2026.
Infectious bronchitis virus (IBV) represents a major threat to poultry production, with current control strategies offering limited protection. In this study, we demonstrate gut microbiome is a critical determinant of IBV resistance using fecal microbiota transplantation.
Ouyang Peng   +22 more
wiley   +1 more source

Variation in seed abundance predicts yolk fatty acid composition in a wild population of birds

open access: yesJournal of Avian Biology, Volume 2026, Issue 2, March 2026.
Bird embryos develop inside eggs, which contain maternal substances that can shape offspring phenotype and fitness. Yolk fatty acids are a key energy source for the developing embryo, with omega‐6 (ω‐6) and omega‐3 (ω‐3) polyunsaturated fatty acids (PUFAs) obtained exclusively from the diet.
Lucia Mentesana   +4 more
wiley   +1 more source

Prospective of indigenous African wild food plants in alleviation of the severe iron deficiency anaemia in Sub‐Saharan Africa

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 2, Page 486-498, March 2026.
Iron deficiency anaemia remains a major public health challenge in Sub‐Saharan Africa, where population growth, displacement and limited resources heighten nutritional insecurity. We compiled a list of indigenous African underutilized wild food plants and examined their potential for addressing micronutrient deficiencies.
Eltayb Abdellatef   +2 more
wiley   +1 more source

Egg traits and physiological neonatal chick parameters from broiler breeder at different ages

open access: yesBrazilian Journal of Poultry Science, 2004
This investigation was carried out to study egg traits (weight, specific gravity and eggshell thickness), and neonatal chick parameters (weight, blood, cardiac and lung parameters) from breeder at different ages. After hatching, neonatal chicks, male and
BC Luquetti   +4 more
doaj   +1 more source

Practices, Management and Resource Preferences of Backyard (Hobby) Poultry Owners in Central North Carolina: A Qualitative Study

open access: yesVeterinary Medicine and Science, Volume 12, Issue 2, March 2026.
Backyard, or hobby, poultry owners in central North Carolina primarily viewed their flocks as pets, and reported self‐sufficiency in managing flock health with support from online social networks. Zoonotic disease prevention and biosecurity education that appeals to the pet‐owner mindset should be further explored for use in backyard poultry settings ...
Grace Faulkner   +4 more
wiley   +1 more source

Main factors that affect the economic efficiency of broiler breeder production

open access: yesBrazilian Journal of Poultry Science, 2015
This study aimed at identifying the factors that affect the economic efficiency of broiler breeder production using the analysis of stochastic profit frontier function.
EH Carvalho   +4 more
doaj   +1 more source

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