Zobrazeno 1 - 3
of 3
pro vyhledávání: '"D I, BROADFOOT"'
Publikováno v:
Poultry Science. 35:757-762
INFECTIOUS bronchitis commonly causes a drastic and usually sudden decrease in egg production. Mortality is slight, seldom amounting to more than 5% of the laying flock. The most damaging effect is the failure to return, after several weeks pause, to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1134201fab7d84a506312ca5a9b6d20
https://doi.org/10.3382/ps.0350757
https://doi.org/10.3382/ps.0350757
Publikováno v:
Journal of the American Veterinary Medical Association. 124(923)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::77d2c8ad37a4a6521528cd8b91ae66c4
https://pubmed.ncbi.nlm.nih.gov/13129156
https://pubmed.ncbi.nlm.nih.gov/13129156
Autor:
D. I. Broadfoot, Wade M. Smith
Publikováno v:
Poultry Science. 33:653-654
In October and November, 1952, an epiornithic of infectious bronchitis swept over southern Minnesota and northern and central Iowa. At the time, nearly all flocks in the area were of laying age, and a large proportion of all flocks in the area exhibi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9563f3cfafa2083f0c8da50a8b9b001c
https://doi.org/10.3382/ps.0330653
https://doi.org/10.3382/ps.0330653