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Can Vet J. 2013 May;54(5):479-84.

Efficacy of a botanical preparation for the intramammary treatment of clinical mastitis on an organic dairy farm.

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Texas A&M AgriLife Research and Extension Center, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University System, Amarillo, Texas 79106-1796, USA; Penn Dutch Cow Care, Narvon, Pennsylvania, USA; Aurora Organic Dairy, Platteville, Colorado 80651-9008, USA; College of Veterinary Medicine, University of Florida, Gainesville, Florida 32610-0136, USA.


in English, French

The objective was to evaluate the efficacy of a botanical product (PHYTO-MAST(®)) for the intra-mammary treatment of clinical mastitis (CM) in dairy cows managed in an organic system. The study involved 194 naturally occurring cases of clinical mastitis. Treatment was applied every 12 hours for 3 days and cows were evaluated for clinical cure starting on day 4. Outcomes of interest consisted of mastitis resolution at day 4, time to resolution, somatic cell score (SCS) after recovery, and bacteriological cure at 14 and 28 d after treatment. There was no significant effect on clinical mastitis resolution at day 4 for treatment compared with the control group. However, there was a faster recovery for the treatment group compared to the control group with median intervals from end of treatment to recovery of 4.6 d and 6.5 d, respectively. There was no effect on the probability of a SCS < 4 (200 000 SC/mL) after treatment. No significant effects were found for treatment on bacteriological cure at days 14 and 28.

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