Lam T J, van Vliet J H, Schukken Y H, Grommers F J, van Velden-Russcher A, Barkema H W, Brand A
Department of Herd Health and Reproduction, Faculty of Veterinary Medicine, Utrecht University, The Netherlands.
Vet Q. 1997 Jun;19(2):41-7. doi: 10.1080/01652176.1997.9694738.
Results are described of a split-udder trial on the effect of discontinuation of postmilking teat disinfection on the incidence of clinical mastitis in seven dairy herds with a low bulk milk somatic cell count and a high incidence of clinical mastitis. Overall incidence of clinical mastitis was non-significantly lower (18%), whereas the incidence of the most prevalent pathogen associated with clinical mastitis, Escherichia coli, was significantly lower in quarters for which postmilking teat disinfection was discontinued. We concluded that discontinuation of postmilking teat disinfection may decrease the incidence of clinical Escherichia coli mastitis in herds for which standard mastitis prevention measures are executed adequately, bulk milk somatic cell count is low, and incidence of clinical mastitis is high. However, because an increase in intramammary infections with contagious pathogens may occur, care is recommended when advising discontinuation of postmilking teat disinfection.
本文描述了一项析因试验的结果，该试验旨在研究停止挤奶后乳头消毒对7个奶牛群临床型乳腺炎发病率的影响。这7个奶牛群的原料奶体细胞计数较低，但临床型乳腺炎发病率较高。结果显示，临床型乳腺炎的总体发病率有所降低，但差异不显著（降低了18%）；而对于停止挤奶后乳头消毒的乳腺象限，与临床型乳腺炎相关的最常见病原体——大肠杆菌的发病率显著降低。我们得出结论，对于已充分执行标准乳腺炎预防措施、原料奶体细胞计数较低且临床型乳腺炎发病率较高的奶牛群，停止挤奶后乳头消毒可能会降低临床型大肠杆菌乳腺炎的发病率。然而，由于可能会出现由传染性病原体引起的乳腺内感染增加的情况，因此在建议停止挤奶后乳头消毒时应谨慎。
