人类为什么要创造?为什么是人类创造的畸形玩具
较高端人类-传播一切值得传播的知识
参考资料
[1] "Pedigree dogs plagued by disease". BBC News Online. 19 August 2008. Retrieved 31 December 2009.
[2] Ackerman L J. The genetic connection: a guide to health problems in purebred dogs[M]. American Animal Hosp Assoc, 2011.
[3] Bellumori T P, Famula T R, Bannasch D L, et al. Prevalence of inherited disorders among mixed-breed and purebred dogs: 27,254 cases (1995–2010)[J]. Journal of the American Veterinary Medical Association, 2013, 242(11): 1549-1555.
[4] Adams V J, Evans K M, Sampson J, et al. Methods and mortality results of a health survey of purebred dogs in the UK[J]. Journal of Small Animal Practice, 2010, 51(10): 512-524.
[5] Proschowsky H F, Rugbjerg H, Ersbøll A K. Mortality of purebred and mixed-breed dogs in Denmark[J]. Preventive veterinary medicine, 2003, 58(1-2): 63-74.
[6] Evans K M, Adams V J. Proportion of litters of purebred dogs born by caesarean section[J]. Journal of Small Animal Practice, 2010, 51(2): 113-118.
[7] Parker H G, Kim L V, Sutter N B, et al. Genetic structure of the purebred domestic dog[J]. science, 2004, 304(5674): 1160-1164.
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