Bidwell, C. A.; Waddell, J. N.; Taxis, T. M.; Yu, H.; Tellam, R. L.; Neary, M. K.; Cockett, N. E. (2014-08-01). "New insights into polar overdominance in callipyge sheep". Animal Genetics. 45: 51–61. doi:10.1111/age.12132. ISSN1365-2052. PMID24990181.
Boysen, T. J.; Tetens, J.; Thaller, G. (2010-10-01). "Detection of a quantitative trait locus for ham weight with polar overdominance near the ortholog of the callipyge locus in an experimental pig F2 population". Journal of Animal Science. 88 (10): 3167–3172. doi:10.2527/jas.2009-2565. ISSN1525-3163. PMID20581286.
Bidwell, C. A.; Waddell, J. N.; Taxis, T. M.; Yu, H.; Tellam, R. L.; Neary, M. K.; Cockett, N. E. (2014-08-01). "New insights into polar overdominance in callipyge sheep". Animal Genetics. 45: 51–61. doi:10.1111/age.12132. ISSN1365-2052. PMID24990181.
Boysen, T. J.; Tetens, J.; Thaller, G. (2010-10-01). "Detection of a quantitative trait locus for ham weight with polar overdominance near the ortholog of the callipyge locus in an experimental pig F2 population". Journal of Animal Science. 88 (10): 3167–3172. doi:10.2527/jas.2009-2565. ISSN1525-3163. PMID20581286.
Bidwell, C. A.; Waddell, J. N.; Taxis, T. M.; Yu, H.; Tellam, R. L.; Neary, M. K.; Cockett, N. E. (2014-08-01). "New insights into polar overdominance in callipyge sheep". Animal Genetics. 45: 51–61. doi:10.1111/age.12132. ISSN1365-2052. PMID24990181.
Boysen, T. J.; Tetens, J.; Thaller, G. (2010-10-01). "Detection of a quantitative trait locus for ham weight with polar overdominance near the ortholog of the callipyge locus in an experimental pig F2 population". Journal of Animal Science. 88 (10): 3167–3172. doi:10.2527/jas.2009-2565. ISSN1525-3163. PMID20581286.