Sentence examples for breeding flocks from inspiring English sources
Typhimurium, S. Enteritidis, S. Infantis, S. Hadar, and S. Virchow in breeding flocks.
In breeding flocks, one tom is required per 8 or 10 hens, though the modern hybrid turkey is too large for natural breeding and must be artificially inseminated.
Indeed, on several farms there actually appeared to be a slight (albeit not statistically significant), unanticipated improvement in the performance of breeding flocks that were vaccinated.
Despite this, most operations are breeding flocks.
No positive samples from breeding flocks or from hatcheries were detected.
Enteritidis infections in chickens during the 1994 calendar year, corresponding with wide uptake of vaccination among breeding flocks.
By 1982 only 20 remained in the wild, and efforts were made to establish a captive breeding flock in zoos.
Data was collected on progeny from eight birth years (2001 2008) in the Chinese superfine merino breeding flock maintained at Xinjiang Gongnaisi Fine Wool Sheep Breeding Farm, Xinjiang, China.
An initial importation to establish the breeding flock took place in February 1998 and a second to expand the flock to approximately 800 ewes took place in July 2001.
In the United Kingdom, the prevalence of Salmonella in breeding flock holdings was 20.1% and in fattening flocks the holdings prevalence was 37.7% [ 39 ].
As eradication is very difficult or even impossible once M. gallisepticum has been introduced, the breeding flock of grey partridges should be depopulated rather than used for repopulation [ 11].
