Sentence examples for purebred lines from inspiring English sources

And, because hybrids are created by crossing purebred lines, these monocultures contained a narrower spectrum of genes.

Brands are applied to animals principally to establish ownership, but they are also used widely for keeping records of purebred lines and for identification in disease control and age differentiation.

One common observation is that rates of hernias are less in purebred lines than in crossbreds, suggesting that the frequency of unfavorable alleles for one or more loci may be high in some lines and the opposite ones exist in the other lines.

Large and statistically significant indirect genetic effects were found in two out of three purebred lines.

For these loci that are fixed in one of the purebred lines, ASGM and BSAM are equivalent.

If these purebred lines are not closely related, the effect of SNP alleles will depend on their line of origin.

For each purebred line, 10 generations of pedigree were used.

Four hens of the same purebred line were randomly assigned to each cage.

This protocol produced a total of 43 breeding pairs: 11 pairs were purebred line 7 × line 7; 10 were purebred line 8 × line 8; 11 were male line 7 × female line 8 hybrids; 11 were male line 8 × female line 7 hybrids.

However, the relationship between training in a purebred line or crossbred line did not change (Table 5).

The influence of two factors was explored: the strategy used to select animals from the purebred and backcross line for backcrossing purposes and the use of selection on background markers to accelerate the return to the purebred line's genome.