In 1st group 108 birds of higher body weight were selected with full pedigree record
to compare with the birds selected with mass selection and random-bred control; in 2nd group 324 birds of higher body weight were selected to be the parent of next generation.
This luxurious volume is the first time that a photographic and pedigree record
of the winners of all four sections of the Welsh breed have been brought together.
Out of 22 groups, first group was maintained with fully pedigree record
, in second group birds were picked randomly without following any selection procedure, rest 20 groups were subjected to mass selection.
91) among accessions (Kim and Ward, 1997), suggesting that low levels of allelic variation existed in the wheat genome prior to initial improvement efforts through breeding and accurate pedigree record
from a total of 2985 animals during 1999-2013 were analysed.
Weekly milk yield and pedigree records
of Sahiwal cows calved between 1984 and 2005 were collected from the milk record, disposal and birth registers.
Fortunately, many studies have been performed in the evaluation of the livestock GD based on pedigree records
(Norberg and Sorensen, 2007; Pjontek et al.
In breeding coefficients were estimated through using a total of 7345 pedigree records
of Sahiwal cattle maintained at 6 institutional herds viz.
Help with pedigree records
came from the Welsh Pony & Cob Society (though Dr Davies notes the official records weren't always accurate).