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pro vyhledávání: '"R F, GENTRY"'
Autor:
R. F. Gentry
Publikováno v:
Annals of the New York Academy of Sciences. 79:403-409
Autor:
R. F. Gentry, B. R. Burmester
Publikováno v:
Poultry Science. 35:17-26
IT HAS been repeatedly demonstrated (Furth, 1935; Furth and Breedis, 1935; Burmester et al., 1946; Burmester and Cottral, 1947; Burmester and Denington, 1947; Burmester, 1947; Burmester and Gentry, 1954a,b,c) that visceral lymphomatosis, which is als
Autor:
R. F. Gentry, C. L. Quarles
Publikováno v:
Poultry Science. 51:930-933
Washing of eggs in sterile plastic bags is an efficient method for determining the bacterial contamination on egg shells. Eggs classified as clean, soiled or dirty by gross examination showed marked differences in average bacterial counts. Egg shell
Publikováno v:
Journal of Animal Science. 31:107-111
Publikováno v:
Poultry Science. 34:609-617
INTRODUCTION NUMEROUS investigators have reported evidence for and against the transmission of lymphomatosis from parent to offspring through the egg. Cottral et al. (1954) recently reviewed this subject and presented evidence that the causative agen
Publikováno v:
Annals of the New York Academy of Sciences. 143:256-267
Autor:
R. F. Gentry, B. R. Burmester
Publikováno v:
Poultry Science. 34:44-47
THERE is much indirect evidence to indicate that the virus of avian visceral lymphomatosis may be transmitted from parent to offspring through the egg. (See reviews by Cottral 1950See reviews by Cottral 1952.) Recently, the presence of the infectious
Publikováno v:
Poultry Science. 49:60-66
HIGH density housing utilizing wire floors has been shown to have application for commercial layers (Bressler, 1961, and Bressler and Maw, 1966). In preliminary experiments, Bressler et al. (1967) demonstrated the feasibility of maintaining Leghorn b
Autor:
R. F. Gentry, B. R. Burmester
Publikováno v:
Poultry Science. 33:836-842
MUCH has been written on the natural transmission of lymphomatosis although little is actually known concerning the specific methods and avenues by which the causative agent is transferred from an infected host to a noninfected susceptible animal. It
Publikováno v:
Poultry Science. 51:443-448
Three wire pens, each with 250 female broiler breeders and 25 Cornish type males housed a 1 sq. ft. per bird, were compared with three litter floor pens each having 150 females and 15 males at 3 sq. ft. per bird. Egg production and mortality were sig