Results 181 to 190 of about 5,790 (232)

Parameters for quantification of hunger in broiler breeders

Physiology & Behavior, 2003
The commercial restricted feeding programme of broiler breeders has a major negative effect on welfare, as the birds are continuously hungry. Objective parameters of hunger are needed to evaluate new management or feeding systems that may alleviate hunger and thus improve broiler breeder welfare.
de Jong, I.C., van Voorst, A.S., Blokhuis, H.J.   +2 more
core   +4 more sources

Major welfare issues in broiler breeders

World's Poultry Science Journal, 2011
Under current practices, broiler parent stock (broiler breeders) encounter several welfare problems, such as feed restriction and injury during mating.
Íngrid C De Jong, D Guemene
exaly   +2 more sources

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Pinealoma in a Broiler Breeder

Avian Diseases, 1986
An incidental central nervous system tumor was found in a broiler breeder. The cellular mass was histologically similar to the normal pineal gland, but it was characterized by a decreased ratio of follicular/parafollicular cells, a relative increase in mitoses, a size three times greater than a normal pineal gland, and growth and expansion into ...
D E, Swayne, G N, Rowland, O J, Fletcher
openaire   +2 more sources

Tenosynovitis in broilers and broiler breeder flocks

New Zealand Veterinary Journal, 1978
Abstract Tenosynovitis in commercial broiler breeder flocks, characterised by severe lameness, resulted in malnutrition and eventual culling of these chickens. Histologically there was metaplasia of tendons, tendon sheaths, connective tissues and infiltration with heterophils. Although Staph. aureus was isolated from some specimens, it is probable that
B S, Bains, C L, Tempest
openaire   +2 more sources

A cataract outbreak in broiler breeders

Avian Pathology, 1998
Varying degrees of lens cataract and iritis were found in birds of a flock of grandparent broiler breeders. Major histopathological findings included stromal lens alterations with liquefaction (phacolysis) and globule formation, and a lymphocytic-plasmocytic anterior uveitis.
W J, Landman, R M, Dwars
openaire   +2 more sources