Results 91 to 100 of about 787,178 (288)
Brazilian Journal of Poultry ScienceThis study was conducted to evaluate effects of cassava (Manihot esculenta Crantz) root meal (CRM) in laying hen diets containing corn dried distiller grains with soluble (DDGS) on production performance, egg quality, and excreta noxious gas emission ...
XJ Lei, JH Park, A Hosseindoust, IH Kim
doaj +1 more source
Optimising the use of hen runs by structures and management [PDF]
, 2005 One of the main problems in free range husbandry of laying hens is the uneven use of the hen run. This leads to an overuse of pasture near the hen house.
Hauser, J., Hirt, Helen, Zeltner, Esther
core
Revista Brasileira de Engenharia Agrícola e Ambiental, 2007 Neste trabalho foram analisados os índices de conforto térmico de poedeiras na fase de cria e recria, em galpões cobertos com diferentes tipos de materiais de cobertura, instalados no Nordeste do Brasil. Todos os galpões foram avaliados através do índice
Iánglio M. T. D. Jácome +4 more
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Effects of nanoparticles of zinc oxide on productive performance of laying hens – a review. [PDF]
SVU-International Journal of Agricultural Sciences, 2019 Nanotechnology has the potential to revolutionize in poultry industry with new tools for the molecular treatment of diseases and enhancing the ability of animal to absorb nutrients and therefore improving productive performance response of poultry.
M. Fawaz +3 more
doaj +1 more source
Rules for the Management of Laying Hens [PDF]
Scientific American, 1880 n ...
openaire +1 more source
Poultry Science, 2016 The Welfare Quality(®) Assessment protocol for poultry ( WQA: ) provides animal-based measures allowing welfare comparisons across farms and housing systems.
R. A. Blatchford, R. Fulton, J. Mench
semanticscholar +1 more source
Potency of Green Cincau Leaves (Premna Oblogifolia Merr) Juice as Prebiotics and Its Effect on Laying Hen Performances [PDF]
, 2015 This study investigated the potency of green cincau leaves (Premna oblongifolia merr) juice as prebiotics end its effect on laying performances (feed intake, egg weight, feed conversion and hen day production) based on pH and digestive viscosity.
Lidiyawati, A. (Anna) +2 more
core +2 more sources
Effects of Different Laying Hen Species on Odour Emissions
Animals, 2020 Odour is one of the main environmental concerns in the laying hen industry and may also influence animal health and production performance. Previous studies showed that odours from the laying hen body are primarily produced from the microbial ...
Dongdong Lu +5 more
doaj +1 more source
Failed landings after laying hen flight in a commercial aviary over two flock cycles.
Poultry Science, 2016 Many egg producers are adopting alternative housing systems such as aviaries that provide hens a tiered cage and a litter-covered open floor area. This larger, more complex environment permits expression of behaviors not seen in space-limited cages, such
D. Campbell +4 more
semanticscholar +1 more source
Lab-Scale Assessment of Gaseous Emissions from Laying-Hen Manure Storage as Affected by Physical and Environmental Factors [PDF]
, 2010 Manure-belt (MB) and high-rise (HR) laying-hen houses are the two predominant housing types in the U.S. Compared with HR houses, MB houses have better indoor air quality and lower aerial emissions as a result of frequent (every 1 to 4 d) manure removal ...
Li, Hong, Xin, Hongwei, Xin, Hongwei
core +3 more sources