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Open AccessArticle

The Effect of Vaccination with Live Attenuated Neethling Lumpy Skin Disease Vaccine on Milk Production and Mortality—An Analysis of 77 Dairy Farms in Israel

Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Rehovot 76100, Israel
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Vaccines 2020, 8(2), 324; https://doi.org/10.3390/vaccines8020324
Received: 27 May 2020 / Revised: 16 June 2020 / Accepted: 17 June 2020 / Published: 19 June 2020
(This article belongs to the Special Issue Controlled Clinical Evaluation of Veterinary Vaccines)
Lumpy skin disease (LSD) is an economically important, arthropod borne viral disease of cattle. Vaccination by the live attenuated homologous Neethling vaccine was shown as the most efficient measure for controlling LSD. However, adverse effects due to vaccination were never quantified in a controlled field study. The aim of this study was to quantify the milk production loss and mortality due to vaccination against LSD. Daily milk production, as well as culling and mortality, were retrieved for 21,844 cows accommodated in 77 dairy cattle farms in Israel. Adjusted milk production was calculated for each day during the 30 days post vaccination. This was compared to the preceding month by fitting mixed effects linear models. Culling and mortality rates were compared between the 60 days periods prior and post vaccination, by survival analysis. The results of the models indicate no significant change in milk production during the 30 days post vaccination period. No difference was observed between the pre- and post-vaccination periods in routine culling, as well as in immediate culling and in-farm mortality. We conclude that adverse effects due to Neethling vaccination are negligible. View Full-Text
Keywords: Neethling; vaccination; milk loss; mortality rate; adverse effects; field-controlled; survival analysis; lumpy skin disease Neethling; vaccination; milk loss; mortality rate; adverse effects; field-controlled; survival analysis; lumpy skin disease
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Morgenstern, M.; Klement, E. The Effect of Vaccination with Live Attenuated Neethling Lumpy Skin Disease Vaccine on Milk Production and Mortality—An Analysis of 77 Dairy Farms in Israel. Vaccines 2020, 8, 324.

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