Effect of eprinomectin treatment on milk yield and quality in dairy cows in South Tyrol, Italy

Reist, M.; Forbes, A.B.; Bonfanti, M.; Beretta, W.; Pfister, K. (2011). Effect of eprinomectin treatment on milk yield and quality in dairy cows in South Tyrol, Italy. Veterinary record, 168(18), 484-U41. London: British Veterinary Association 10.1136/vr.d134

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The effect of treatment with eprinomectin on milk yield, milk composition and somatic cell counts (SCCs) was studied in 105 dairy cows located on seven farms in South Tyrol, Italy. On each farm, half of the animals were treated with eprinomectin and the other half were used as an untreated control group. Three test day records per animal were obtained before treatment (days -117, -75 and -33) and another three test day records were obtained after treatment (days 22, 62 and 131). Test day records comprised milk yield, milk composition, SCC and days in milk. On the day of treatment, blood samples and faecal samples were taken for parasitological analysis. Cows with positive faecal egg counts yielded less milk. A significant effect of eprinomectin on milk yield was observed after treatment and was most pronounced on the second and the third test days after treatment (+1.90 kg [P=0.002] and +2.63 kg [P<0.001], respectively). Furthermore, a significant decrease in SCC was observed on the second test day after treatment.

Item Type:

Journal Article (Original Article)


05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Veterinary Public Health Institute

UniBE Contributor:

Reist, Martin




British Veterinary Association




Factscience Import

Date Deposited:

04 Oct 2013 14:32

Last Modified:

05 Dec 2022 14:10

Publisher DOI:


Web of Science ID:



https://boris.unibe.ch/id/eprint/12315 (FactScience: 218636)

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