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Effects of dry period length on milk production and physiological responses of heat-stressed dairy cows during the transition period
The objective of this study was to investigate the effects of a traditional dry period (60 d) versus a no dry period (0 d) on the milk production, physiological response, and metabolic status of dairy cows exposed to heat stress during the transition period. Holstein dairy cows (n = 15) with similar...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Korean Society of Animal Sciences and Technology
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10119472/ https://www.ncbi.nlm.nih.gov/pubmed/37093928 http://dx.doi.org/10.5187/jast.2022.e104 |
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author | Lim, Dong-Hyun Jung, Da Jin Sol Ki, Kwang-Seok Kim, Dong-Hyeon Han, Manhye Kim, Younghoon |
author_facet | Lim, Dong-Hyun Jung, Da Jin Sol Ki, Kwang-Seok Kim, Dong-Hyeon Han, Manhye Kim, Younghoon |
author_sort | Lim, Dong-Hyun |
collection | PubMed |
description | The objective of this study was to investigate the effects of a traditional dry period (60 d) versus a no dry period (0 d) on the milk production, physiological response, and metabolic status of dairy cows exposed to heat stress during the transition period. Holstein dairy cows (n = 15) with similar expected calving dates were randomly assigned to two different dry period lengths: (1) no dry period (n = 7) and (2) a traditional dry period of 60 days (n = 8). All cows were studied from 8 weeks before expected calving to 10 weeks after calving and experienced heat stress during the transition period. The results showed that cows with no dry period decreased their milk yield in subsequent lactation, but compensated for the loss of milk yield accounted for by additional milk yield before calving. The energy balance at postpartum was improved in cows with no dry period compared to cows with a traditional dry period. There were no significant differences in the physiological response and blood metabolites at postpartum between the dry period lengths of dairy cows exposed to heat stress during the transition period. Taken together, our results showed that omitting the dry period improved the milk production and metabolic status of dairy cows exposed to heat stress during the transition period. |
format | Online Article Text |
id | pubmed-10119472 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Korean Society of Animal Sciences and Technology |
record_format | MEDLINE/PubMed |
spelling | pubmed-101194722023-04-22 Effects of dry period length on milk production and physiological responses of heat-stressed dairy cows during the transition period Lim, Dong-Hyun Jung, Da Jin Sol Ki, Kwang-Seok Kim, Dong-Hyeon Han, Manhye Kim, Younghoon J Anim Sci Technol Research Article The objective of this study was to investigate the effects of a traditional dry period (60 d) versus a no dry period (0 d) on the milk production, physiological response, and metabolic status of dairy cows exposed to heat stress during the transition period. Holstein dairy cows (n = 15) with similar expected calving dates were randomly assigned to two different dry period lengths: (1) no dry period (n = 7) and (2) a traditional dry period of 60 days (n = 8). All cows were studied from 8 weeks before expected calving to 10 weeks after calving and experienced heat stress during the transition period. The results showed that cows with no dry period decreased their milk yield in subsequent lactation, but compensated for the loss of milk yield accounted for by additional milk yield before calving. The energy balance at postpartum was improved in cows with no dry period compared to cows with a traditional dry period. There were no significant differences in the physiological response and blood metabolites at postpartum between the dry period lengths of dairy cows exposed to heat stress during the transition period. Taken together, our results showed that omitting the dry period improved the milk production and metabolic status of dairy cows exposed to heat stress during the transition period. Korean Society of Animal Sciences and Technology 2023-01 2023-01-31 /pmc/articles/PMC10119472/ /pubmed/37093928 http://dx.doi.org/10.5187/jast.2022.e104 Text en © Copyright 2023 Korean Society of Animal Science and Technology https://creativecommons.org/licenses/by-nc/4.0/This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Article Lim, Dong-Hyun Jung, Da Jin Sol Ki, Kwang-Seok Kim, Dong-Hyeon Han, Manhye Kim, Younghoon Effects of dry period length on milk production and physiological responses of heat-stressed dairy cows during the transition period |
title | Effects of dry period length on milk production and physiological
responses of heat-stressed dairy cows during the transition
period |
title_full | Effects of dry period length on milk production and physiological
responses of heat-stressed dairy cows during the transition
period |
title_fullStr | Effects of dry period length on milk production and physiological
responses of heat-stressed dairy cows during the transition
period |
title_full_unstemmed | Effects of dry period length on milk production and physiological
responses of heat-stressed dairy cows during the transition
period |
title_short | Effects of dry period length on milk production and physiological
responses of heat-stressed dairy cows during the transition
period |
title_sort | effects of dry period length on milk production and physiological
responses of heat-stressed dairy cows during the transition
period |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10119472/ https://www.ncbi.nlm.nih.gov/pubmed/37093928 http://dx.doi.org/10.5187/jast.2022.e104 |
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