The use of teat disinfectants and milking machine cleaning products in commercial Holstein-Friesian farms

被引:11
作者
ozsvari, Laszlo [1 ]
Ivanyos, Dorottya [1 ]
机构
[1] Univ Vet Med Budapest, Dept Vet Forens & Econ, Budapest, Hungary
关键词
dairy; udder health; mastitis; milk quality; teat disinfectants; milking machine cleaning; MASTITIS; EFFICACY; PREVENTION; REDUCTION; RESIDUES; AGENTS; UDDER; SKIN; DIPS;
D O I
10.3389/fvets.2022.956843
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
The aim of our study was to survey and analyze the use of pre- and post-milking teat disinfectants and milking machine cleaning products in large commercial Holstein-Friesian farms. A total of 43 Hungarian dairy farms with 31,430 cows with an average herd size of 731 cows were surveyed in 2014 by using a questionnaire via personal interviews. In the statistical analysis, we used ANOVA models and Tukey's multiple comparison method. Furthermore, seven in-depth individual interviews were conducted with farm managers. The results showed that 83.7% of the farms used different pre-milking disinfection methods (65.1% teat dips) and all of them applied post-milking disinfection. In the herds, chlorhexidine (42.9%) and other chlorine (21.4%) compounds were the most widely used active ingredients in the pre-milking disinfection, while iodine in the post-milking disinfection (53.8%). Lactic acid was ranked second in both disinfections (25.0 vs. 41.0%). In post-milking teat disinfection, the use of iodine and lactic acid combined with other active ingredients showed a significant relationship with SCC (p = 0.0454; p = 0.0113). In the milking machine cleaning process, the most frequently used active ingredients were sodium hypochlorite (80.0%) and sodium hydroxide (60.0%) as caustic detergents, while phosphoric acid (81.3%) as an acidic product. A significant relationship was found between the use of phosphoric acid combined with nitric acid, and the use of a combination of phosphoric acid, nitric acid, and organic acid and SCC (p = 0.0483; p = 0.0477). For farm decision-makers, the most decisive factor in the procurement of teat disinfectants was the active ingredient (3.4 on a scale of 1 to 10 where 1 was the most important), while regarding milking machine cleaning products the price (3.2).
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页数:15
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