A 2011 report from the Australian Centre for International Agricultural Research found that between 1985 and 2009, IRRI varieties and
breeding lines contributed, on average, 50 % of the annual yield increases in southern Vietnam and the use of new varieties increased Vietnamese rice farmers» income by US$ 127 per hectare (in 2009 values) per year during the study period.
A 2011 report from the Australian Centre for International Agricultural Research found that between 1985 and 2009, IRRI varieties and
breeding lines contributed, on average, 50 % of the annual yield increases in southern Vietnam and the use of new varieties increased Vietnamese rice farmers» income by US$ 127 per hectare (in 2009 values) per year during the study period.
Not exact matches
Whereas the Arabian and Turkoman
lines have long been known to have
contributed to the iconic English Thoroughbred racehorse, other
breeds like the Lipizzan and Franches - Montagnes weren't known to have these influences, Bailey says.
By growing primordial germ cells in culture researchers can make genome edits sequentially without being restricted by the
breeding cycle of living birds, and the cultured cells will
contribute to the germ
line when injected into new embryos.
The loss of genetic diversity in purebred dogs can be attributed to two major population bottleneck events: the first occurring during domestication; and the second arising from
breed formation where the repeated use of popular sires,
line breeding,
breeding for specific phenotypic traits, and promotion of the
breed barrier rule,
contributed to overall loss in genetic variation [15 - 19].