Irons Peter C, Mooring Bryce, Warburton Natalie, Dunston-Clarke Emma, Pensini Gavin, Hay Shona, Collins Teresa
School of Veterinary Medicine, Murdoch University, Murdoch 6150, Australia.
Broome Cattle Vets, Djugun 6725, Australia.
Animals (Basel). 2023 Mar 15;13(6):1066. doi: 10.3390/ani13061066.
The prevention of pregnancy is desirable for female cattle destined for sale in the northern Australian rangelands for both economic and welfare reasons. Controlled access to bulls is often not feasible, nor are any non-surgical methods currently available. Many females are therefore surgically spayed. This study describes a technique for uterine tube resection (UTR), which leaves the ovaries intact and is performed using a vaginal approach, and compares the outcomes from 70 Brahman cows subjected to the procedure with 60 heifers spayed using the dropped ovary technique. The animals were monitored for 10 days following the surgery. There were no mortalities, and two animals were treated for illnesses after the UTRs and recovered. The animals subjected to both surgical procedures showed signs of pelvic discomfort and mild inflammation during recovery. The cows gained an average of 9.3 kg (SD 14.5 kg) of weight over the 10 days of the study compared to the spayed heifers, which lost 3.5 kg (SD 13.3 kg), with 19 and 63% of the animals in each of the groups losing weight, respectively. Uterine tube resection can be considered as a viable alternative to surgical spaying.
出于经济和福利方面的原因，对于打算在澳大利亚北部牧场出售的雌性牛来说，防止怀孕是很有必要的。对公牛进行控制性接触往往不可行，目前也没有任何非手术方法可用。因此，许多雌性牛都接受了手术绝育。本研究描述了一种输卵管切除术（UTR）技术，该技术可使卵巢保持完整，通过阴道途径进行，并且将70头接受该手术的婆罗门牛的结果与60头采用卵巢下垂技术进行绝育的小母牛的结果进行了比较。术后对动物进行了10天的监测。没有死亡情况，有两头动物在接受输卵管切除术后因疾病接受治疗并康复。接受这两种手术的动物在恢复过程中均表现出盆腔不适和轻度炎症的迹象。在研究的10天里，与接受绝育的小母牛相比，接受输卵管切除术的母牛平均体重增加了9.3千克（标准差14.5千克），而小母牛体重减轻了3.5千克（标准差13.3千克），两组中分别有19%和63%的动物体重减轻。输卵管切除术可被视为手术绝育的一种可行替代方法。
