Korean Journal of Veterinary Research 2006;46(1):63-66.
Conjoined twins in Holstein calf : a case of thoracopagus siamese calf
Tai-young Hur1, Seog-jin Kang1, Chang-yong Choe1, Young-Hun Jung1, Yong-il Cho2, Dong-su Son1, Il-Sun Ryu1, Hyeon-shup Kim1, Guk-hyun Suh1
1National Livestock Research Institute, RDA
2National Institute of subtropical agriculture, RDA
젖소 흉부결합체 송아지 1례
허태영1, 강석진1, 최창용1, 정영훈1, 조용일2, 류일선1, 손동수1, 김현섭1, 서국현1
1농촌진흥청 축산연구소
2농촌진흥청 난지연구소
This case was found in Holstein cow suffering from dystocia. The twin calves in uterus were dead and removed by fetotomy. Gross anatomical analysis of thoracopagus siamese calf was carried out. Two normal heads were present on two necks, however, the twins were fused in the thoracic region. There were four forelimbs and an abnormal orientation of ribs. Two separate vertebral columns along the length of the animal ended with two tails. A single pericardium lay on the midline when opening the thorax. However, there were two almost completely hearts within the pericardial sac. Two heart were joined by a common cavernous venous sinuous. There were two sets of lungs. Each twins had a separate esophagus that entered a separated stomach. A large liver was fused and connected into two duodenums. The pelvis, large intestines and urinary tracts were separated. The twins are female and have a full complement of limb.
Key Words: conjoined twins, Holstein calf, siamese, thoracopagus
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