Results 131 to 140 of about 15,974 (238)
The welfare of broiler breeders
In August 1998, the UK's Farm Animal Welfare Council (FAWC) published its most recent report: addressing the welfare of broiler breeders. Some 780 million broiler chicks are produced annually in the UK and at any one time the national population of broiler breeder hens that produce these chicks is about 6 million.
openaire +1 more source
Validation of the HEN model for organic laying hens and assessment of nutrition in organic poultry (CTE0202) [PDF]
Introduction Regulation EC1804/1999 sets out the minimum standards for organic livestock production and UK organic poultry producers have to adhere to for organic poultry.
Gordon, S
core
Achieving reproductive performance and quality chicks with modern broiler breeders
Summary: The U.S. broiler industry is currently facing challenges in breeder production and hatchability. Hatchability rates have recently dropped below 82 %, the lowest since 1988 (Agristats Report, 2023), alongside increased mortality in pullets ...
Hugo Romero-Sanchez +6 more
doaj +1 more source
Lysine: Amino acid requirements of broiler breeders
Because feed intake is controlled in broiler breeders, amino acid supply is determined by the composition of the feed and the level of feed intake. Controlling amino acid supply during the laying cycle can be facilitated by the use of a model for calculating requirements. A possible model is outlined and the various components discussed.
openaire +2 more sources
Animal breeding in organic farming:Discussion paper [PDF]
It is uncertain whether animals which have been bred for conventional production are capable of optimum performance in organic conditions. In conventional agriculture there is a movement towards maximum control of production conditions in order to ...
Baars, Nauta +4 more
core
Measures to reduce fine dust emission from poultry houses: reduction from broiler houses by ionization [PDF]
In this study the effect was determined of a commercially available air ionization system on the reduction of airborne dust in a broiler house.
Aarnink, A.J.A. +4 more
core
Health effects of feed dilution and roughage in Ross 308 broiler breeder cockerels. [PDF]
Kittelsen KE +4 more
europepmc +1 more source
Dominant Salmonella Serovars in Australian Broiler Breeder Flocks and Hatcheries: a Longitudinal Study. [PDF]
Willson NL, Chousalkar K.
europepmc +1 more source

