Zobrazeno 1 - 10
of 153
pro vyhledávání: '"O J, Fletcher"'
Publikováno v:
Poultry Science. 69:922-928
The resistance to a single oral dose (12 mg of aflatoxin per kg of BW) and 4 wk of dietary aflatoxin (2.5 mg per kg of feed) were investigated in chicks selected for five generations for resistance to acute aflatoxicosis (AR) and unselected control (
Publikováno v:
Avian diseases. 41(1)
Pathologic changes and distribution of viral antigen as determined by immunohistochemistry were compared among 4-wk-old specific-pathogen-free chickens inoculated intratracheally with avian influenza virus (AIV) isolates of either low or high pathoge
Autor:
C L, Alden, E J, Andrews, J M, Bowen, O J, Fletcher, R W, Fulton, D, Kochevar, E C, Mather, L E, Perryman, J A, Schmitz, B C, Tennant
Publikováno v:
Journal of the American Veterinary Medical Association. 205(12)
Publikováno v:
Avian diseases. 38(2)
Ten 3-day-old chicks were submitted from a flock experiencing high mortality. Necropsy revealed lacrimation, diarrhea, pleural effusion, hemorrhage and ulceration of the proventriculus, and swollen, hemorrhagic livers. Numerous yellow granules were p
Publikováno v:
Avian diseases. 36(3)
Complement resistance, antibiotic resistance profiles, and virulence profiles of 80 Escherichia coli isolates from the intestines of normal chickens (40 isolates) and chickens diagnosed as having colisepticemia (40 isolates) were compared. Difference
Publikováno v:
Avian diseases. 34(4)
Cecal samples from 100 broiler flocks were cultured for Escherichia coli and Salmonella. Samples were selected from flocks classified as either "good" or "poor" producers by a production formula. In an attempt to identify predictors of flock producti
Publikováno v:
Avian diseases. 34(3)
During 1974-1984, cryptosporidiosis was diagnosed in slightly more than 1% (63/6050 = 1.04%) of histopathology reports on chickens and turkeys made at two Georgia diagnostic laboratories. During 1985-1988, cryptosporidiosis was diagnosed in almost 6%
Publikováno v:
Poultry science. 69(6)
The effect of acclimation to environmental temperatures of 10 to 12 or 28 to 30 C on the resistance of broiler chicks to dietary aflatoxin was examined. Broiler chicks were acclimated from day-of-age for 2 wk to environmental temperatures of 10 to 12
Publikováno v:
Avian Diseases. 41:125
Pathologic changes and distribution of viral antigen as determined by immunohistochemistry were compared among 4-wk-old specific-pathogen-free chickens inoculated intratracheally with avian influenza virus (AIV) isolates of either low or high pathoge
Publikováno v:
Avian Diseases. 38:393
Ten 3-day-old chicks were submitted from a flock experiencing high mortality. Necropsy revealed lacrimation, diarrhea, pleural effusion, hemorrhage and ulceration of the proventriculus, and swollen, hemorrhagic livers. Numerous yellow granules were p