Impact of Heat Stress on Selected Parameters of Robotic Milking

The values of the temperature-humidity index and its influence on the performance parameters of dairy cows were monitored on four farms located in the southern part of the central Slovakia during a period of three years. The observed parameters included: the milk yield per cow per day, average milk...

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Autores principales:	Roman Gálik, Gabriel Lüttmerding, Štefan Boďo, Ivana Knížková, Petr Kunc
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	temperature-humidity index automatic milking system dairy cow average milk speed maximum milk speed Veterinary medicine SF600-1100 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/46f56d2367f24556867a1830d579b3f5
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spelling	oai:doaj.org-article:46f56d2367f24556867a1830d579b3f52021-11-25T16:15:52ZImpact of Heat Stress on Selected Parameters of Robotic Milking10.3390/ani111131142076-2615https://doaj.org/article/46f56d2367f24556867a1830d579b3f52021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3114https://doaj.org/toc/2076-2615The values of the temperature-humidity index and its influence on the performance parameters of dairy cows were monitored on four farms located in the southern part of the central Slovakia during a period of three years. The observed parameters included: the milk yield per cow per day, average milk speed and maximum milk speed. The thermal-humidity index was calculated based on a formula. The individual periods were divided according to the achieved THI. The results of dairy cows with a milk yield of 29 kg to 31 kg show that there is not a decrease in the milk yield per milking if the THI value is lower than 68. It was also found that there was a decrease in the milk yield per dairy cow in the robotic milking parlor for a THI value greater than 72. The influence of a THI value higher than 68 in these dairy cows results in a higher average milk speed, as well as a higher maximum milk speed. These two parameters are not yet in the main area of research interest. This study enriches the area with new knowledge, according to which dairy cows can show thermal stress by increasing the milk speed as well as the maximum milk speed.Roman GálikGabriel LüttmerdingŠtefan BoďoIvana KnížkováPetr KuncMDPI AGarticletemperature-humidity indexautomatic milking systemdairy cowaverage milk speedmaximum milk speedVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3114, p 3114 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	temperature-humidity index automatic milking system dairy cow average milk speed maximum milk speed Veterinary medicine SF600-1100 Zoology QL1-991
spellingShingle	temperature-humidity index automatic milking system dairy cow average milk speed maximum milk speed Veterinary medicine SF600-1100 Zoology QL1-991 Roman Gálik Gabriel Lüttmerding Štefan Boďo Ivana Knížková Petr Kunc Impact of Heat Stress on Selected Parameters of Robotic Milking
description	The values of the temperature-humidity index and its influence on the performance parameters of dairy cows were monitored on four farms located in the southern part of the central Slovakia during a period of three years. The observed parameters included: the milk yield per cow per day, average milk speed and maximum milk speed. The thermal-humidity index was calculated based on a formula. The individual periods were divided according to the achieved THI. The results of dairy cows with a milk yield of 29 kg to 31 kg show that there is not a decrease in the milk yield per milking if the THI value is lower than 68. It was also found that there was a decrease in the milk yield per dairy cow in the robotic milking parlor for a THI value greater than 72. The influence of a THI value higher than 68 in these dairy cows results in a higher average milk speed, as well as a higher maximum milk speed. These two parameters are not yet in the main area of research interest. This study enriches the area with new knowledge, according to which dairy cows can show thermal stress by increasing the milk speed as well as the maximum milk speed.
format	article
author	Roman Gálik Gabriel Lüttmerding Štefan Boďo Ivana Knížková Petr Kunc
author_facet	Roman Gálik Gabriel Lüttmerding Štefan Boďo Ivana Knížková Petr Kunc
author_sort	Roman Gálik
title	Impact of Heat Stress on Selected Parameters of Robotic Milking
title_short	Impact of Heat Stress on Selected Parameters of Robotic Milking
title_full	Impact of Heat Stress on Selected Parameters of Robotic Milking
title_fullStr	Impact of Heat Stress on Selected Parameters of Robotic Milking
title_full_unstemmed	Impact of Heat Stress on Selected Parameters of Robotic Milking
title_sort	impact of heat stress on selected parameters of robotic milking
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/46f56d2367f24556867a1830d579b3f5
work_keys_str_mv	AT romangalik impactofheatstressonselectedparametersofroboticmilking AT gabrielluttmerding impactofheatstressonselectedparametersofroboticmilking AT stefanbodo impactofheatstressonselectedparametersofroboticmilking AT ivanaknizkova impactofheatstressonselectedparametersofroboticmilking AT petrkunc impactofheatstressonselectedparametersofroboticmilking
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Impact of Heat Stress on Selected Parameters of Robotic Milking

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