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Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep

The effects of gastrointestinal nematode infections and anthelmintic treatment on milk yields was compared between flocks with a low level (LL) of eggs per gram (epg) before partum and with a high level (HL). Faecal egg count reduction tests (FECRTs) were carried out before partum comparing a treate...

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Autores principales: Martínez-Valladares, María, Martín-Ramos, Elías, Esteban-Ballesteros, Myriam, Balaña-Fouce, Rafael, Rojo-Vázquez, Francisco Antonio
Formato: Online Artículo Texto
Lenguaje:English
Publicado: EDP Sciences 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8532525/
https://www.ncbi.nlm.nih.gov/pubmed/34677121
http://dx.doi.org/10.1051/parasite/2021068
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author Martínez-Valladares, María
Martín-Ramos, Elías
Esteban-Ballesteros, Myriam
Balaña-Fouce, Rafael
Rojo-Vázquez, Francisco Antonio
author_facet Martínez-Valladares, María
Martín-Ramos, Elías
Esteban-Ballesteros, Myriam
Balaña-Fouce, Rafael
Rojo-Vázquez, Francisco Antonio
author_sort Martínez-Valladares, María
collection PubMed
description The effects of gastrointestinal nematode infections and anthelmintic treatment on milk yields was compared between flocks with a low level (LL) of eggs per gram (epg) before partum and with a high level (HL). Faecal egg count reduction tests (FECRTs) were carried out before partum comparing a treated group with netobimin with an untreated group. Ewes belonging to LL flocks produced 55.4% more milk than ewes from HL flocks. A negative correlation was found between the mean epg before treatment and the mean milk yield per flock (r = −0.860; p < 0.01). However, treated ewes produced 10.1% more milk than untreated ewes in LL flocks, although in HL flocks, treated ewes produced less milk (−2.7%). The treatment of flocks even with low levels of infection can improve the milk yields. In this study, the epg before partum had a greater influence on total milk yield than the anthelmintic treatment.
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spelling pubmed-85325252021-11-09 Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep Martínez-Valladares, María Martín-Ramos, Elías Esteban-Ballesteros, Myriam Balaña-Fouce, Rafael Rojo-Vázquez, Francisco Antonio Parasite Short Note The effects of gastrointestinal nematode infections and anthelmintic treatment on milk yields was compared between flocks with a low level (LL) of eggs per gram (epg) before partum and with a high level (HL). Faecal egg count reduction tests (FECRTs) were carried out before partum comparing a treated group with netobimin with an untreated group. Ewes belonging to LL flocks produced 55.4% more milk than ewes from HL flocks. A negative correlation was found between the mean epg before treatment and the mean milk yield per flock (r = −0.860; p < 0.01). However, treated ewes produced 10.1% more milk than untreated ewes in LL flocks, although in HL flocks, treated ewes produced less milk (−2.7%). The treatment of flocks even with low levels of infection can improve the milk yields. In this study, the epg before partum had a greater influence on total milk yield than the anthelmintic treatment. EDP Sciences 2021-10-21 /pmc/articles/PMC8532525/ /pubmed/34677121 http://dx.doi.org/10.1051/parasite/2021068 Text en © M. Martínez-Valladares et al., published by EDP Sciences, 2021 https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0 (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Short Note
Martínez-Valladares, María
Martín-Ramos, Elías
Esteban-Ballesteros, Myriam
Balaña-Fouce, Rafael
Rojo-Vázquez, Francisco Antonio
Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
title Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
title_full Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
title_fullStr Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
title_full_unstemmed Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
title_short Effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
title_sort effect of level of infection by gastrointestinal nematodes and anthelmintic treatment on milk yield in dairy sheep
topic Short Note
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8532525/
https://www.ncbi.nlm.nih.gov/pubmed/34677121
http://dx.doi.org/10.1051/parasite/2021068
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