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The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows

BACKGROUND: Negative energy balance during the transition period is a concern for both conventional and certified organic dairy systems. During early lactation, supplemental strategies are used to cope with nutrient deficiencies that are associated with impaired health, production, and reproduction....

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Autores principales: Manriquez, Diego, Chen, Liang, Melendez, Pedro, Pinedo, Pablo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6907230/
https://www.ncbi.nlm.nih.gov/pubmed/31829187
http://dx.doi.org/10.1186/s12917-019-2199-8
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author Manriquez, Diego
Chen, Liang
Melendez, Pedro
Pinedo, Pablo
author_facet Manriquez, Diego
Chen, Liang
Melendez, Pedro
Pinedo, Pablo
author_sort Manriquez, Diego
collection PubMed
description BACKGROUND: Negative energy balance during the transition period is a concern for both conventional and certified organic dairy systems. During early lactation, supplemental strategies are used to cope with nutrient deficiencies that are associated with impaired health, production, and reproduction. As organic certified dairies in the United States face restricted access to dietary supplements, the evaluation of products especially formulated for organic production is needed. Our objective was to assess the effect of supplementing 0.45 kg/d of an organic rumen-protected fat (RPF) on health, metabolic status, and productive and reproductive performance of organic certified Holstein cows from 1 to 150 days in milk (DIM). Two-hundred and two cows were enrolled in a randomized blocked controlled trial conducted from January to July 2017 in a certified organic dairy located in Northern Colorado (USA). Two groups were randomly assigned to be individually supplemented with organic RPF (ORG; n = 100) or control pellets (CON; n = 102) once per day, in addition to the total mixed ration (TMR). Outcomes of interest included milk yield (kg/d) and milk components, serum concentration of glucose, and non-esterified fatty acids (NEFA), resumption of cyclicity, time-to-first artificial insemination (AI), conception at first AI, and conception within 150 DIM, disease occurrence, culling, mortality. RESULTS: A significant effect for the inclusion of RPF was found in daily milk yield; RPF supplemented cows had greater milk yield (1.6 kg/d) compared to CON cows up to 150 DIM (P = 0.03). During grazing, multiparous (MP) ORG cows had greater milk yield compared to MP CON cows, whereas no effect was found in primiparous (PP) cows. Health outcomes, serum metabolite concentrations, and reproductive performance were not affected by the inclusion of RPF. Body condition loss was smaller in the ORG group up to 80 DIM; however, there was no effect on body condition during the grazing season and in the overall study period. CONCLUSIONS: These results indicate that supplementation of RPF increased daily milk yield and prevented body condition loss during at 90 DIM. However, RPF supplementation did not affect health, serum metabolite concentration, milk components, and reproductive outcomes.
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spelling pubmed-69072302019-12-20 The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows Manriquez, Diego Chen, Liang Melendez, Pedro Pinedo, Pablo BMC Vet Res Research Article BACKGROUND: Negative energy balance during the transition period is a concern for both conventional and certified organic dairy systems. During early lactation, supplemental strategies are used to cope with nutrient deficiencies that are associated with impaired health, production, and reproduction. As organic certified dairies in the United States face restricted access to dietary supplements, the evaluation of products especially formulated for organic production is needed. Our objective was to assess the effect of supplementing 0.45 kg/d of an organic rumen-protected fat (RPF) on health, metabolic status, and productive and reproductive performance of organic certified Holstein cows from 1 to 150 days in milk (DIM). Two-hundred and two cows were enrolled in a randomized blocked controlled trial conducted from January to July 2017 in a certified organic dairy located in Northern Colorado (USA). Two groups were randomly assigned to be individually supplemented with organic RPF (ORG; n = 100) or control pellets (CON; n = 102) once per day, in addition to the total mixed ration (TMR). Outcomes of interest included milk yield (kg/d) and milk components, serum concentration of glucose, and non-esterified fatty acids (NEFA), resumption of cyclicity, time-to-first artificial insemination (AI), conception at first AI, and conception within 150 DIM, disease occurrence, culling, mortality. RESULTS: A significant effect for the inclusion of RPF was found in daily milk yield; RPF supplemented cows had greater milk yield (1.6 kg/d) compared to CON cows up to 150 DIM (P = 0.03). During grazing, multiparous (MP) ORG cows had greater milk yield compared to MP CON cows, whereas no effect was found in primiparous (PP) cows. Health outcomes, serum metabolite concentrations, and reproductive performance were not affected by the inclusion of RPF. Body condition loss was smaller in the ORG group up to 80 DIM; however, there was no effect on body condition during the grazing season and in the overall study period. CONCLUSIONS: These results indicate that supplementation of RPF increased daily milk yield and prevented body condition loss during at 90 DIM. However, RPF supplementation did not affect health, serum metabolite concentration, milk components, and reproductive outcomes. BioMed Central 2019-12-11 /pmc/articles/PMC6907230/ /pubmed/31829187 http://dx.doi.org/10.1186/s12917-019-2199-8 Text en © The Author(s). 2019 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Research Article
Manriquez, Diego
Chen, Liang
Melendez, Pedro
Pinedo, Pablo
The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
title The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
title_full The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
title_fullStr The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
title_full_unstemmed The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
title_short The effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
title_sort effect of an organic rumen-protected fat supplement on performance, metabolic status, and health of dairy cows
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6907230/
https://www.ncbi.nlm.nih.gov/pubmed/31829187
http://dx.doi.org/10.1186/s12917-019-2199-8
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