Results 131 to 140 of about 128,209 (338)
Poultry Science: Poultry farming generates significant poultry litter (broiler litter and laying hen manure), posing environmental and human health risks. Heat treatment, particularly through drying, can mitigate these adverse effects.
Mehdi Khodadadi +2 more
doaj
Poultry Science, 2021 : The use of insects in animal feed has the potential to reduce the demand for soybean production and reduce the deforestation and loss of natural resources. In particular, the black soldier fly (BSF, Hermetia illucens) larvae have received attention due
Fernanda M. Tahamtani +7 more
doaj
The Isoleucine Requirement of the Laying Hen
Poultry Science, 1954 Abstract WHILE the requirements of the chick for the essential amino acids are known to a considerable extent those of the laying hen have been established only for trytophan, lysine, methionine and cystine (Ingram et al., 1951a, b) and leucine (Cravens, 1948).
H. R. Bird +3 more
openaire +2 more sources
Avaliação dos Impactos Econômicos, Sociais e Ambientais da Poedeira Colonial Embrapa 051 [PDF]
The limited resources for agricultural research and the need for a better knowledge about the ways that technologies change agribusiness competitiveness and its social and natural environment, demand its impacts assessment.
Girotto, Ademir Francisco +4 more
core +1 more source
Öko-Legehennen: Ressourceneffizienz und Umweltschutz versus Auslaufmanagement und Flächenbeimessung [PDF]
, 2017 The minimal pasture size of 4 m² per hen for free range laying hens proves to be critical when seen under aspects of environmental protection. Taking a flock size of 1.000 laying hens and a pasture size of 4 m² per animal as a basis and assuming that ...
Deerberg, Friedhelm (freier Berater) +1 more
core
Human Resource Management Journal, EarlyView.ABSTRACT While recruiting and retention are core human resource management functions, little attention has been given to their contextual differences in domestic and foreign‐owned firms. We draw on human capital theory and used a mixed‐methods approach—(1) time‐lagged surveys with 755 employees and (2) semi‐structured interviews with 110 managers ...
Vesa Peltokorpi, Fabian J. Froese
wiley +1 more source
Effects of Antioxidants, DPPD and BHT, on Health, Production and Reproduction of Laying Hens [PDF]
, 1957 T. E. Shellenberger +2 more
openalex +1 more source
Financial Knowledge in Enhancing Financial Management Behavior of Women as MSME Actors in Layer Chicken Farming [PDF]
Sidenreng Rappang Regency, specifically Maritengngae District, has its second leading sector after agriculture, which is livestock farming, with a population of 4,562,924 laying hens, 1,090,000 of which are in Maritengngae District.
Asrini, Asrini +4 more
core +2 more sources
Integrative Zoology, EarlyView.Some eggs are pyriform as this may attain a larger surface area‐to‐volume ratio making them grow and hatch quicker. ABSTRACT Bird eggs can be spherical, ellipsoid, ovoid, or pear‐shaped (pyriform), the latter being the most complex. There is however no unambiguous evolutionary/adaptive explanation for this final, exotic shape.
Valeriy G. Narushin +2 more
wiley +1 more source
Choline in the Nutrition of Laying Hens
Poultry Science, 1946 Abstract Lucas, Norris and Heuser (1946) have reported observations on the choline requirements of hens. We have carried out an experiment of similar nature with results pointing in the same direction. New Hampshire pullets which had been in production for approximately six months were transferred to laying cages and given an adjustment period ...
R. C. Ringrose, H. A. Davis
openaire +2 more sources