Results 91 to 100 of about 5,790 (232)

Effects of Broiler Breeder Age on Egg Quality, Incubation Performance, and Early Progeny Physiological and Muscle Fiber Development

Journal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT This study evaluated the effects of breeder hen age on the incubation performance, embryonic development, and progeny quality of Cobb500 broiler breeders at 39, 51, and 69 weeks of age. A total of 870 eggs were collected, of which 810 were incubated; these were assigned to a completely randomized design with three treatments and nine ...
Helder Freitas de Oliveira, Alessandra Gimenez Mascarenhas, José Henrique Stringhini, Nadja Susana Mogyca Leandro, Marcos Barcellos Cafe, Emmanuel Arnhold, Raíssa Monteiro de Alvarenga, Ana Caroline Romão Silva, Jean Kaique Valentim, Heloisa Helena de Carvalho Mello   +9 more
wiley   +1 more source

Evaluation of Torula Yeast (Candida utilis) Single Cell Proteins as a Partial Replacement for Soybean Meal in Broiler Diets: Effects on Productive Performance, Meat Quality Traits, and Plasma Metabolome

Journal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Over recent years the use of yeast in feedstuffs has gained momentum due to novel developments in single‐cell proteins (SCPs). SCPs are considered a sustainable protein source, as their production enable to convert low‐value substrates (including industrial/agricultural wastes) into feed, with a related reduced environmental impact. This study
Jonathan Dayan, Marco Zampiga, Francesca Soglia, Luca Laghi, Elisa Benini, Massimiliano Petracci, Federico Sirri   +6 more
wiley   +1 more source

Sustentabilidade tecnológica em cadeia produtiva avícola de corte, através da tecnologia RFID [PDF]

, 2014
Trabalho apresentado no 31º SEURS - Seminário de Extensão Universitária da Região Sul, realizado em Florianópolis, SC, no período de 04 a 07 de agosto de 2013 - Universidade Federal de Santa Catarina.O presente artigo visa explanar sobre a utilização da ...
Bittencourt, Felipe, Barwaldt, Gilberto, Aguiar, Marcio Rozante de, Adamatti, Diana Francisca, Barwaldt, Regina   +4 more
core  

Effect of Storage Time, Broiler Breeder Strain, and Age on Hatchability and First-Week Broiler Performance [PDF]

Brazilian Journal of Poultry Science
Managing fertile eggs and minimizing seasonal impacts is crucial in poultry farming. This study evaluated the effects of the storage time of fertile eggs, broiler breeder strain, and age on hatchability and first-week broiler performance.
ALD Volpe, A Slaviero, A Scher, PV Molinari, MW Gerber, VM Marcon, F Moreira, I Bianchi, E Schwegler, CB Tanure, V Peripolli   +10 more
doaj   +1 more source

Iron requirements of broiler breeder hens

Poultry Science, 2017
A study was conducted to investigate Fe requirements of broiler breeders. One-hundred-fifty-six Cobb 500 broiler breeder hens were individually placed in electrostatically painted cages at 22 weeks. The study was composed of an adaptation phase, in which hens were fed corn-soy-wheat bran diets until 35 wks.
Diogo, Taschetto, Sergio Luiz, Vieira, Clara Roselina, Angel, Catarina, Stefanello, Liris, Kindlein, Marco Antonio, Ebbing, Cristina Tonial, Simões   +6 more
openaire   +2 more sources

Competition Policy and Agribusiness in the Biden Administration

Applied Economic Perspectives and Policy, Volume 48, Issue 3, Page 536-544, July 2026.
ABSTRACT The Biden Administration pursued a set of ambitious competition policy initiatives in agriculture and agribusiness, primarily aimed at livestock and poultry supply chains, farm inputs, and food retailing. The initiatives included expanded antitrust enforcement; new US Department of Agriculture (USDA) contract regulations requiring poultry ...
James M. MacDonald
wiley   +1 more source

Use of aerial perches and perches on aviary tiers by broiler breeders

, 2018
Perching, especially during the night, is an innate behaviour of chickens and the provision of perches is mandatory for laying hens in multiple countries.
Michael J. Toscano, Gebhardt, Sabine, Toscano, Michael Jeffrey, Würbel, Hanno, Sabine G. Gebhardt-Henrich, Hanno Würbel   +5 more
core   +1 more source

Effects of restricted feeding on physiological stress parameters in growing broiler breeders

, 2002
In previous studies, a lack of agreement in measurements of plasma corticosterone concentrations and heterophil:lymphocyte (H/L) ratio as physiological indices of stress, caused by hunger and frustration in restricted-fed broiler breeders, was observed ...
Ehlhardt, D.A., van Voorst, S., Blokhuis, H.J., I.C. De Jong, H.J. Blokhuis, de Jong, I.C., S. Van Voorst, D.A. Ehlhardt   +7 more
core   +2 more sources

Sexual Maturity in Broiler Breeder Males

Poultry Science, 1978
Sexual maturity and fertility of two lines of broiler breeder males, one commercial and one experimental, were evaluated individually in order to determine the earliest age at which they could be expected to produce viable spermatozoa capable of producing acceptable fertility.
openaire   +2 more sources

The Chloride Requirement of the Broiler Breeder Hen

Poultry Science, 1984
An experiment was conducted to determine the chloride requirement of broiler breeder hens fed a corn soybean meal diet. Levels of .135 and .09% (daily intake of 208 and 139 mg) supplemental chloride were required for maximum egg production and egg weight, respectively. However, a supplemental level of .135% was required to maximize hatchability.
R H, Harms, H R, Wilson
openaire   +2 more sources