Zobrazeno 1 - 2
of 2
pro vyhledávání: '"G. D. Boggan"'
Autor:
J. K. Rosenberger, D. P. Wages, James S. Guy, G. D. Boggan, M. D. Ficken, Richard L. Witter, R. M. Nordgren, M P Nasisse
Publikováno v:
Avian pathology : journal of the W.V.P.A. 20(3)
Outbreaks of Marek's disease (MD) were diagnosed in two flocks from the same company. Clinical signs, mainly blindness (90%), but also depression, mild paralysis, and 11 to 12% mortality by 20 weeks of age were observed. MD virus, serotype 1 was isol
Autor:
W. B. Roush, G. D. Boggan
Publikováno v:
Poultry science. 66(9)
An experiment was conducted to examine the effect of watering devices used during pullet-rearing and cage-laying phases on subsequent biological and production responses of hens with 960 pullets reared in floor pens for an 18-wk period. During the pu