Abstract
This study aimed to compare the use of hand-powered vacuum pumps and the suspension by the hind legs within the scope of resuscitating newborn dystocial calves. For this study, data were collected from 60 dystocial calves of different breeds. Various reanimation methods were employed to these calves immediately after birth. In group I (n=20), the hand-powered vacuum pump from HK-Rheintechnik (Neuwied, Deutschland) was used to remove mucus and amniotic fluid from the respiratory tract. In group II (n=20), the McCulloch Medical (Elmwood, England) hand-powered vacuum pump was used to remove mucus and amniotic fluid from the respiratory tract. In group III (n=20) 10 to 12 liters of cold water were poured over the neck of 20 calves immediately after birth. In addition, the calves were suspended by the hind legs via a gate or a pole, so that the head hung downwards vertically. The calves' Time to Sternal Recumbency (T-SR) of the calves was measured following the different resuscitation procedures in order to assess their vitality. In addition, the calves were examined segmentally at one-hour post natum. Furthermore, the calves were examined clinically on the seventh day of life. In addition, we investigated whether confounding variables such as calf sex, dam parity, obstetric intervention, and the season affected T-SR. T-SR ranged from 1.5 to 10.5 minutes. There was no difference between the three initial treatment procedures (p=0.07). However, the T-SR of calves treated with a hand-powered vacuum pump tended to be shorter. No statistically significant difference between the pulse rates (p=0.73), respiratory rates (p=0.13), and rectal temperature (p=0.65) of the animals in the three groups on the first and seventh day of life was evident. There was no statistically significant difference in the incidence of the diseases up to the seventh day of life between the individual study groups. The present study was able to show that the use of hand-powered vacuum pumps is at least equivalent to suspending calves. When using hand-powered vacuum pumps, the girth of the muzzle must be taken into account, as this can limit their utility.
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