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Efficacy of an avian colibacillosis live vaccine for layer breeder in Japan.


ABSTRACT: Colibacillosis is one of an economically significant disease in the poultry industry, especially for meat breed chickens. Recently it has become a serious problem for layer especially when the birds start laying and also at the later stage of laying. In Japan, the productivity of field laying hens improved when the Δcrp avian colibacillosis live vaccine ("Gall N tect CBL") was used. The survival rate and egg laying rate increased during almost all of the laying period when compared with the control group. The improvement in productivity was clearly demonstrated by comparing the number of eggs laid per day. The use of an avian colibacillosis live vaccine proved to be cost-effective in laying hens.

SUBMITTER: Uotani Y 

PROVIDER: S-EPMC5559366 | biostudies-other | 2017 Jul

REPOSITORIES: biostudies-other

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