Results 231 to 240 of about 69,835 (272)
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Avian Diseases, 1973
SUMMARY A total of 3750 broiler chicks were reared on the floor in two experiments replicated 8-12 times. Rate of growth, feed efficiency, mortality, and coccidial lesions were investigated comparing two anticoccidial agents and a negative control group. Lesion scores (severity of 1-4) were determined on sacrificed chicks at 3/2 and 7 weeks of age.
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SUMMARY A total of 3750 broiler chicks were reared on the floor in two experiments replicated 8-12 times. Rate of growth, feed efficiency, mortality, and coccidial lesions were investigated comparing two anticoccidial agents and a negative control group. Lesion scores (severity of 1-4) were determined on sacrificed chicks at 3/2 and 7 weeks of age.
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Transmissible proventriculitis in broilers
Avian Pathology, 2007This article reviews transmissible proventriculitis in poultry from 1971 to 2006. The disease is important in commercial broilers worldwide, resulting in reduced profits. The aetiology of this disease is unknown and different clinical presentations often result in a confused or complicated diagnosis.
T V, Dormitorio +2 more
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British Veterinary Journal, 1973
SUMMARY A survey was made to determine the incidence and types of salmonellae in broilers and broiler breeders received by the Lasswade Laboratory for post-mortem examination from 22 counties in Scotland. Eleven serotypes, of which typhimurium was the predominant, were isolated from 93 birds from a total of 7725 over a two-year period.
D D, Brown +3 more
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SUMMARY A survey was made to determine the incidence and types of salmonellae in broilers and broiler breeders received by the Lasswade Laboratory for post-mortem examination from 22 counties in Scotland. Eleven serotypes, of which typhimurium was the predominant, were isolated from 93 birds from a total of 7725 over a two-year period.
D D, Brown +3 more
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Observations on swollen head syndrome in broiler and broiler breeder chickens
Veterinary Record, 1989Chickens on 14 broiler breeder farms were examined at various times throughout their laying cycle. Antibodies to the turkey rhinotracheitis virus were common although they were not always accompanied by clinical signs of the swollen head syndrome. Ninety-nine broiler flocks were tested of which only 20 were serologically positive to the virus.
M, Pattison +3 more
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British Poultry Science, 2002
1. Morphological development of the heart in fast-growing, meat-type fowl of both sexes was studied. 2. In 4 experiments, fowl were weighed, killed and hearts were dissected at 0, 20, 34, and 48th d of age. Heart weight (HW), length (HL), diameter (HD), and thickness of the right ventricular wall (RVW) and left ventricular wall (LVW) were determined. 3.
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1. Morphological development of the heart in fast-growing, meat-type fowl of both sexes was studied. 2. In 4 experiments, fowl were weighed, killed and hearts were dissected at 0, 20, 34, and 48th d of age. Heart weight (HW), length (HL), diameter (HD), and thickness of the right ventricular wall (RVW) and left ventricular wall (LVW) were determined. 3.
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Proventricular haemorrhages in broilers
Veterinary Record, 1985C J, Randall +4 more
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Pose estimation and behavior classification of broiler chickens based on deep neural networks
Computers and Electronics in Agriculture, 2021Cheng Fang, Haikun Zheng, Tiemin Zhang
exaly