AI Article Synopsis
- - Ten genetic variants (single nucleotide polymorphisms) were studied in 176 Tongshan Black-boned goats, revealing an average heterozygosity of 0.292, which measures genetic diversity.
- - Research showed significant positive correlations between individual heterozygosity and various growth traits in the goats, such as body weight and height, indicating that more genetic variation might lead to better growth.
- - The findings support the idea that individual heterozygosity could be used as a growth indicator in these goats, bolstering the overdominance hypothesis, which suggests that heterozygous individuals may have a growth advantage.
Article Abstract
Ten single nucleotide polymorphisms were used for genotyping of 176 Tongshan Black-boned goats, which are Chinese indigenous goat colony for meat production. The average individual heterozygosity was 0.292. To assess the correlations between individual heterozygosity and growth in Tongshan Black-boned goat individuals, and the potential of using individual heterozygosity as an indicator of growth, the data of growth traits, including body weight, height at withers, body length, chest girth and cannon circumference, were collected. Significant correlations were observed between individual heterozygosity and body weight, height at withers, body length, heart girth, cannon circumference (P < 0.05). All the significant regression showed positive slope with R square values ranged from 0.0251 to 0.0368. These data suggests that individual heterozygosity is positively correlated with growth traits in Tongshan Black-boned goat individuals and associative overdominance may affect Tongshan Black-boned goat growth significantly. Therefore it is possible to use individual heterozygosity as an indicator of growth. Our results also provide a strong support to the overdominance hypothesis.
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| http://dx.doi.org/10.1007/s11033-013-2717-x | DOI Listing |
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