Results 101 to 110 of about 190,412 (353)

Inferring bird migration from bone isotopes and histology: A fossil‐friendly methodological framework

Methods in Ecology and Evolution, EarlyView.
Abstract Bird seasonal migration is a remarkable biogeographic phenomenon, yet its deep‐time origin(s) and evolutionary history remain poorly understood, with the bird fossil record largely overlooked. This study explores the predictability of bird migratory behaviour from the oxygen isotope composition of their bone apatite phosphate (δ18Op), a ...
Anaïs Duhamel, Aurore Canoville, Arnaud Vinçon‐Laugier, Julien Joseph, François Fourel, Christophe Lécuyer, Romain Amiot, Antoine Louchart   +7 more
wiley   +1 more source

Effects of Tryptophan Supplementation in Diets with Different Protein Levels on the Production Performance of Broilers

Animals
Tryptophan plays an important role in the pig industry but has the potential to improve performance in the poultry industry. The purpose of this study was to examine the effects of tryptophan supplementation in diets with different protein levels on the ...
Kailai Xie, Xiajie Feng, Shuqing Zhu, Jingwen Liang, Yingfen Mo, Xiaohua Feng, Shangwu Ye, Ying Zhou, Gang Shu, Songbo Wang, Ping Gao, Canjun Zhu, Yijie Fan, Qingyan Jiang, Lina Wang   +14 more
doaj   +1 more source

Precision nutrition in weight loss and neuroendocrine control of people with obesity: The study protocol of a factorial randomised controlled trial (GenON Programme)

Diabetes, Obesity and Metabolism, EarlyView.
Abstract Aims Precision nutrition, guided by genetic testing, has emerged as a promising approach for managing obesity. However, robust clinical trials testing its effectiveness in real‐world dietary interventions remain scarce. The GenOn Programme aims to evaluate whether tailoring nutritional care based on genetic risk for obesity enhances weight ...
Karla P. Balbino, Ana Claudia P. Kravchychyn, Flávia G. Cândido, Mariana de Moura e Dias, Tiago Antônio de O. Mendes, Leandro Licursi de Oliveira, Luiza Carla V. Castro, Josefina Bressan, Ana Laura de la Garza, Fermín I. Milagro, María A. Zulet, Helen Hermana M. Hermsdorff   +11 more
wiley   +1 more source

Early-age heat exposure improved growth performance and heat tolerance in broilers

Poultry Science
: A total of 440 one-day-old healthy male Arbor Acres broilers were equally assigned to a control group (CTL) and an early-age high-temperature exposure (EHT) group (4 replicates per group, 55 chickens per replicate).
Y.S. Liu, T.J. Lv, H. Lin, H.C. Jiao, X.J. Wang, L. Liu   +5 more
doaj   +1 more source

Virginiamycin and Broiler Performance

Poultry Science, 1984
Two experiments were conducted with broilers to determine the effect of Virginiamycin supplementation on performance and shank pigmentation. Virginiamycin supplementation at 10 ppm resulted in significantly increased body weights in both experiments.
R D, Miles, D M, Janky, R H, Harms
openaire   +2 more sources

Permissible Purchasing, Obligatory Abstention: The Strict Vegan Case against New Omnivorism

Journal of Applied Philosophy, EarlyView.
ABSTRACT Recent developments in consumer ethics have given rise to a new breed of animal protectionist: the new omnivore. These new wave animal protectionists claim that strict veganism is impermissible for the very reason that typically motivates strict veganism; that is, animal protectionism.
Daniel White
wiley   +1 more source

Effect of metabolizable energy levels and conditioning temperatures on broiler performance, processing yield, footpad lesions, and nutrient digestibility from 1 to 42 d of age

Journal of Applied Poultry Research
SUMMARY: This study evaluated the main effects and interactions of 2 ME levels and 3 conditioning temperatures on broiler performance, processing yield, footpad lesions, tibia ash, and nutrient digestibility from 1 to 42 d of age.
J.R. Hernandez, J.P. Gulizia, J.I. Vargas, S. Thuekeaw, E.G. Guzman, C. Tonial Simões, W.J. Pacheco   +6 more
doaj   +1 more source

Farm business survey 2008/09: poultry production in England [PDF]

, 2010
The report provides a commentary on the UK poultry industry focusing on its structure, development and contribution to the UK agricultural economy.
Crane, Richard, Davenport, Ross, Vaughan, Rod   +2 more
core  

Mechanical harvesting of broilers

Poultry Science, 1998
At the end of the growout phase of broiler production essentially all broilers are caught and loaded into coops or cages entirely by hand. The catching of broilers remains one of the few aspects of broiler production not yet automated. Vacuum systems, permanent conveyors recessed in the floors of growout facilities, collecting mats, scoops, and self ...
M P, Lacy, M, Czarick
openaire   +2 more sources

Genetic Parameter Estimation for Pregnancy Loss and Their Association With Reproductive and Growth Traits in Brahman Cattle Under Extensive Tropical Conditions

Journal of Animal Breeding and Genetics, EarlyView.
ABSTRACT This study estimated genetic parameters for pregnancy loss (PL) in Brahman cattle and evaluated the genetic correlation of PL with growth and reproductive traits using both the pedigree relationship matrix (A) and pedigree plus genomic relationship matrix (H). Data were collected from two herds in Bolivia, focusing on three age groups: heifers,
Daniel Cardona‐Cifuentes, Lucia G. de Albuquerque, Milagros Arias, Sindy Caivio‐Nasner, Luis Camaripano, Luis G. Gonzalez‐Herrera, Patricia I. Schmidt, Fernando Baldi   +7 more
wiley   +1 more source