Results 41 to 50 of about 4,090 (252)

Níveis de sódio na ração de frangas de 7 a 12 semanas de idade Sodium levels for pullets aged between 7 and 12 weeks

open access: yesCiência e Agrotecnologia, 2008
O experimento foi realizado para estimar as exigências de sódio em frangas leves (LV) e semipesadas (SP), durante a fase de recria (7 a 12 semanas de idade).
Marcelo Luís Gomes Ribeiro   +5 more
doaj   +1 more source

Análise econômica da produção de frango de corte sob condições de risco no estado do Paraná Economical analysis of broilers production under risk conditions in the state of Paraná

open access: yesCiência e Agrotecnologia, 2008
A avicultura de corte constitui-se numa importante atividade econômica no estado do Paraná e, como qualquer outra, está sujeita a riscos. Objetivou-se, neste trabalho, proceder à análise econômica da produção integrada de frango de corte, avaliando os ...
Cármem Ozana de Melo   +2 more
doaj   +1 more source

Welfare Assessment for Captive Anseriformes: A Guide for Practitioners and Animal Keepers

open access: yesAnimals, 2020
Welfare assessment is a tool to both identify welfare challenges and to evidence where current husbandry practices support positive welfare outcomes. Such tools are becoming more available and can be amended based on the nature of the facility and needs ...
Paul Rose, Michelle O’Brien
doaj   +1 more source

Comparação entre tecnologias de climatização para criação de frangos quanto a energia, ambiência e produtividade Comparison between technologies of climatization for creation of broiler considering the energy, environment and productivity

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2006
Com o objetivo de comparar duas opções tecnológicas de climatização na produção de frangos de corte, foi realizado, na cidade de Rio Claro, SP, um experimento em dois galpões comerciais de uma granja, um com sistema de ventilação e nebulização e com 13 ...
Leda Bueno, Luiz A. Rossi
doaj   +1 more source

The influence of pair duration on reproductive success in the monogamous ‘Alalā (Hawaiian crow, Corvus hawaiiensis)

open access: yesFrontiers in Conservation Science
Conservation breeding program practitioners select potential mates in an attempt to maximize pair compatibility and maintain genetic diversity. Therefore, pair duration, or the number of breeding seasons that individuals retain the same mate, is ...
Lisa P. Barrett   +3 more
doaj   +1 more source

Segurança, saúde e ergonomia de trabalhadores em galpões de frangos de corte equipados com diferentes sistemas de abastecimento de ração Safety, health and ergonomics of workers in poultry houses systems equipped with different feed supply

open access: yesEngenharia Agrícola, 2011
O abastecimento de ração nos galpões avícolas pode ser feito de forma manual ou automática, e por demandar esforço acredita-se que o abastecimento manual pode expor o tratador a sobrecarga física.
Cinara da C. S. Carvalho   +4 more
doaj   +1 more source

CLOACAL AND SURFACE TEMPERATURES OF BROILERS SUBJECT TO THERMAL STRESS [PDF]

open access: yesEngenharia Agrícola, 2017
: The cloacal and surface temperatures are important physiological parameters to quantify the thermal comfort of animals, its variations may occur as a function of thermal variables.
Lucas H. P. Abreu   +4 more
doaj   +1 more source

Evaluation of reflective painting of the roof and artificial ventilation on performance and carcass yield of broilers

open access: yesRevista Brasileira de Zootecnia, 2012
This study was developed with the objective of evaluating reflective paint on covering and artificial ventilation on performance of broilers (males and females).
Roberta Passini   +3 more
doaj   +1 more source

When and why to give shorebirds a head start

open access: yesConservation Biology, EarlyView.
Abstract Headstarting is a translocation technique involving the hatching or rearing of wild eggs or young in captivity and the release of those individuals back to the wild at or before independence. It has been trialed as a conservation intervention for shorebirds over recent decades to improve the population trend of target populations by increasing
Lynda Donaldson   +4 more
wiley   +1 more source

The role of socialization network to understand the adoption of demand‐reduction behaviors: The red siskin's breeders community case study

open access: yesConservation Science and Practice, Volume 7, Issue 8, August 2025.
Social network analysis and decision‐making models revealed how socialization networks and psychosocial factors influence the adoption of sustainable bird‐sourcing practices among red siskin breeders across Venezuela, Brazil, Spain, and Portugal. Key findings, such as the role of information flow and attitudes towards collaboration, highlight the ...
Ada Sánchez‐Mercado   +3 more
wiley   +1 more source

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