Results 31 to 40 of about 4,090 (252)

Prevalence and diversity of Eimeria spp. in free-range chickens in northeastern Brazil

Frontiers in Veterinary Science, 2022
In tropical regions, family farming is a form of production and work that is highly present in rural areas. Because the production system for free-range chickens has a low level of technification, it frequently presents massive infection by coccidia. The
Juliana Trajano da Silva, Felipe Boniedj Ventura Alvares, Estefany Ferreira de Lima, Geraldo Moreira da Silva Filho, Ana Luzia Peixoto da Silva, Brendo Andrade Lima, Thais Ferreira Feitosa, Vinícius Longo Ribeiro Vilela, Vinícius Longo Ribeiro Vilela   +8 more
doaj   +1 more source

Exigência de lisina digestível para frangos de corte machos de 1 a 42 dias de idade Digestible lysine requirements for male broilers from 1 to 42 days old

Revista Brasileira de Zootecnia, 2008
Objetivou-se estimar as exigências nutricionais de lisina digestível de frangos de corte machos de 1 a 42 dias de idade. Utilizaram-se 1.950 pintos de corte Cobb (750 para a fase pré-inicial, 600 para a fase inicial e 600 para a fase de crescimento) com ...
Cláudia de Castro Goulart, Fernando Guilherme Perazzo Costa, Raul da Cunha Lima Neto, Janete Gouveia Souza, José Humberto Vilar da Silva, Patrícia Emília Naves Givisiez   +5 more
doaj   +1 more source

Shrimp cephalothorax meal in laying hen diets: effects on egg.

Agronomía Mesoamericana, 2015
The aim of this study was to evaluate the effect of shrimp cephalothorax meal Pleuroncodes planipes (HC) in laying hen diets over egg quality and yolk color.
Alejandro Chacón-Villalobos, Catalina Salas-Durán, Laura Zamora-Sánchez   +2 more
doaj   +1 more source

Transcriptional profiling and pathway analysis reveal differences in pituitary gland function, morphology, and vascularization in chickens genetically selected for high or low body weight

BMC Genomics, 2019
Background Though intensive genetic selection has led to extraordinary advances in growth rate and feed efficiency in production of meat-type chickens, endocrine processes controlling these traits are still poorly understood. The anterior pituitary gland
Laura E. Ellestad, Larry A. Cogburn, Jean Simon, Elisabeth Le Bihan-Duval, Samuel E. Aggrey, Mardi S. Byerly, Michel J. Duclos, Tom E. Porter   +7 more
doaj   +1 more source

Evaluation of the Addition of Humicola Grisea Cellulase to Broiler Chicken Rations for a 21-Day Period

Poultry, 2023
This study aimed to evaluate the addition of liquid cellulose, produced by Humicola grisea, in 21-day-old broiler chickens’ diets. The treatments comprised control rations of corn and soybean meal and rations to which 500 mL/t and 1000 mL/t of cellulase ...
Dênia Oliveira de Souza, Cirano José Ulhoa, Weslane Justina da Silva, Denise Russi Rodrigues, Nadielli Pereira Bonifácio, Fabiana Ramos dos Santos, Fabiano Guimarães Silva, Cibele Silva Minafra   +7 more
doaj   +1 more source

Enthalpy thematic map interpolated with spline method for management of broiler chicken production [PDF]

Revista Brasileira de Engenharia Agrícola e Ambiental, 2020
Owing to the exponential growth of the human population and problems related to food supply, research focused on finding the most suitable approach to manage and geographically explore the environment using sustainable technologies stand out. The present
Natália C. da Silva, Rodrigo C. Santos, Rafael Zucca, Luciano O. Geisenhoff, Rafaela S. Cesca, Juliano Lovatto   +5 more
doaj   +1 more source

Des sources de protéines locales pour l’alimentation des volailles : quelles voies de progrès ?

Oilseeds and fats, crops and lipids, 2014
L’aviculture européenne est dépendante d’approvisionnements en soja essentiellement en provenance du Brésil. Cette matière première riche en protéines est intéressante d’un point de vue nutritionnel pour l’alimentation des volailles mais pose des ...
Bouvarel Isabelle, Lessire Michel, Narcy Agnès, Duval Elisabeth, Grasteau Sandrine, Quinsac Alain, Peyronnet Corinne, Tran Gilles, Heuze Valérie   +8 more
doaj   +1 more source

Fluxo de ração avícola em silos prismáticos com tremonha excêntrica Flow of poultry ration in prismatic silos with excentric hopper

Revista Brasileira de Engenharia Agrícola e Ambiental, 2005
Na avicultura atual, o uso de silos verticais para armazenagem de ração avícola nas fábricas e nas granjas, é fator fundamental, pois garantem produto de qualidade e rapidez no processo de descarga; entretanto, são detectados diversos problemas no ...
Marcilene V. da Nóbrega, José W. B. do Nascimento   +1 more
doaj   +1 more source

Sécurisation des flux d'approvisionnement en matières premières et de mise en marché des produits dans le secteur avicole : cas de la filière oeufs au Bénin [PDF]

, 2015
Dans un contexte d'augmentation mondiale de la demande en produits avicoles et de fluctuation des prix de matières premières, il est intéressant de comprendre les dynamiques de structuration d'une filière avicole tropicale et les stratégies mises en ...
Bastianelli, Denis, Batonon-Alavo, Dolores, Chrysostome, Christophe A.A.M., Duteurtre, Guillaume, Lescoat, Philippe   +4 more
core   +5 more sources

Study the spatial variability of the noise levels inside two commercial poultry housing with different adiabatic evaporative cooling systems

Dyna, 2018
The objective of the present work was to determinate the map the spatial distribution of noise levels inside two commercial poultry housing having different adiabatic evaporative cooling systems, during the life cycle of birds.
Flavio Alves Damasceno, Gabriel Araújo e Silva Ferraz, Carlos Eduardo Alves Oliveira, Jairo Alexander Osório-Saraz, Leidimar Freire Brandão   +4 more
doaj   +1 more source