Williams J D, Krueger W F, Harmel D H
Department of Veterinary Pathobiology, College of Agriculture and Life Sciences, Texas A & M University, College Station 77843.
Heredity (Edinb). 1994 Jul;73 ( Pt 1):78-83. doi: 10.1038/hdy.1994.101.
Heritabilities for two body weights and five antler characteristics were estimated for a captive white-tailed deer (Odocoileus virginianus) herd maintained by the Texas Parks and Wildlife Department. Single male breeding pens with 10-14 female deer were used for five consecutive generations. To minimize selection and maintain a broad genetic base, different sets of sires and as many different dams as possible were randomly assigned as breeders each generation. All deer were accurately predigreed by sire and dam and, except for birth weight, traits were measured at 1.5 years of age. Heritabilities were estimated utilizing (1) sire and within-sire components of variance, and (2) regression of male progeny performance on sire performance. Theoretically, these procedures estimate the amount of additive genetic variance present in a population without indication of non-additive genetic (dominance and epistasis) and maternal effects. Heritabilities ranged from 0.00-0.17 (birth weight), 0.58-0.64 (body weight), 0.22-0.56 (antler points), 0.47-0.70 (main beam length), 0.03-0.43 (antler spread), 0.80-0.89 (basal circumference) and 0.71-0.86 (antler weight). These heritabilities, except for birth weight, suggest that substantial genetic change could be expected from individual selection if realistic selection differentials were used.
对得克萨斯州公园与野生动物部饲养的一群圈养白尾鹿（弗吉尼亚鹿）的两个体重和五个鹿茸特征的遗传力进行了估计。连续五代使用单雄繁殖栏，每个栏中有10 - 14只雌鹿。为了尽量减少选择并保持广泛的遗传基础，每一代随机分配不同组的种公鹿以及尽可能多的不同母鹿作为繁殖者。所有鹿都通过父系和母系进行了准确的谱系记录，除出生体重外，其他性状均在1.5岁时测量。利用（1）种公鹿和种公鹿内的方差成分，以及（2）雄性后代性能对种公鹿性能的回归来估计遗传力。从理论上讲，这些方法估计了种群中存在的加性遗传方差量，而未表明非加性遗传（显性和上位性）以及母体效应。遗传力范围为0.00 - 0.17（出生体重）、0.58 - 0.64（体重）、0.22 - 0.56（鹿茸点数）、0.47 - 0.70（主枝长度）、0.03 - 0.43（鹿茸展开度）、0.80 - 0.89（基部周长）和0.71 - 0.86（鹿茸重量）。除出生体重外，这些遗传力表明，如果使用实际的选择差异，个体选择有望带来显著的遗传变化。
