The possibility of outcrossing with another breed to increase the genetic diversity had been raised among CFA breeders, but not many were receptive to the idea, preferring to use Singapuras from around the world that are not so closely related to the CFA line.
Since the 1990's, switchgrass has been bred to produce cultivars with increased biomass and feedstock quality.
In one cohort (cohort 3), the wild-type, control animals were supplemented with separately bred C57Bl6 mice to increase available numbers.
Stallion books — the number of mares bred to an individual stallion — doubled over the last 20 years and an increasing percentage of horses bred ended up in the sales pavilions.
At one point during this period, the export of ponies from Manipur was banned to allow the breed time to increase in number to a viable level.
Other breeds were cross bred in an attempt to increase the size and stature of the Suffolk Punch, as well as to improve the shoulders, but they had little lasting influence, and the breed remains much as it was before any crossbreeding took place.
The European and Chinese varieties of chestnut have been selectively bred over the centuries to increase their size, and flavor has suffered as a result.
Mr Neumann is in good company when he declares that ordinary folk back in his Wisconsin district have sounder instincts on government than the pols in Washington.Over the years, this populism has bred constitutional devices designed to increase citizen control over elected representatives.
The number of cats bred during life tended to increase the seroprevalence, but this effect was weak, with an Odds Ratio very close to one that did not reach statistical significance (Table 3).
It also wants to see the development of health-focused breeding strategies for individual breeds, including steps to increase their genetic diversity.
