Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows

Several research studies confirm the association of the linear type traits with longevity, but only with one trait at a time. The aim of our study was to analyse the influence of combinations for linear type traits on longevity in the Hungarian Holstein-Friesian cows. Data were provided by four herd...

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Autores principales:	Evelin Török, István Komlósi, Viktor Szőnyi, Béla Béri, Gábor Mészáros, János Posta
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Holstein-Friesian cattle the combination of linear type traits survival analysis Veterinary medicine SF600-1100 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/9d7adee108a8498ea1a7817bcf53bf8a
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spelling	oai:doaj.org-article:9d7adee108a8498ea1a7817bcf53bf8a2021-11-25T16:14:25ZCombinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows10.3390/ani111130652076-2615https://doaj.org/article/9d7adee108a8498ea1a7817bcf53bf8a2021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3065https://doaj.org/toc/2076-2615Several research studies confirm the association of the linear type traits with longevity, but only with one trait at a time. The aim of our study was to analyse the influence of combinations for linear type traits on longevity in the Hungarian Holstein-Friesian cows. Data were provided by four herds; the filtered dataset consisted of 17,717 cows. From the 14 available linear type traits, the most important combinations were identified based on principal components and cluster analysis. From the six identified combinations, only three (chest width-body depth, fore udder attachment-udder depth, angularity-rear udder height) proved to have a significant effect on longevity. A wide chest and deep body caused a high-risk ratio of culling. The lowest risk ratio was observed with cows having intermediate chest width and intermediate body depth. Very angular cows having low rear udder height were at the highest risk of culling. The lowest culling risk was found in cows with a lack of angularity and high rear udder height. Weak and loose fore udder along with deep udder had increased culling risk. Strong and tight fore udder subclasses were the most favourable as their risk ratios decreased towards the shallowing of udder depth.Evelin TörökIstván KomlósiViktor SzőnyiBéla BériGábor MészárosJános PostaMDPI AGarticleHolstein-Friesian cattlethe combination of linear type traitssurvival analysisVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3065, p 3065 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Holstein-Friesian cattle the combination of linear type traits survival analysis Veterinary medicine SF600-1100 Zoology QL1-991
spellingShingle	Holstein-Friesian cattle the combination of linear type traits survival analysis Veterinary medicine SF600-1100 Zoology QL1-991 Evelin Török István Komlósi Viktor Szőnyi Béla Béri Gábor Mészáros János Posta Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows
description	Several research studies confirm the association of the linear type traits with longevity, but only with one trait at a time. The aim of our study was to analyse the influence of combinations for linear type traits on longevity in the Hungarian Holstein-Friesian cows. Data were provided by four herds; the filtered dataset consisted of 17,717 cows. From the 14 available linear type traits, the most important combinations were identified based on principal components and cluster analysis. From the six identified combinations, only three (chest width-body depth, fore udder attachment-udder depth, angularity-rear udder height) proved to have a significant effect on longevity. A wide chest and deep body caused a high-risk ratio of culling. The lowest risk ratio was observed with cows having intermediate chest width and intermediate body depth. Very angular cows having low rear udder height were at the highest risk of culling. The lowest culling risk was found in cows with a lack of angularity and high rear udder height. Weak and loose fore udder along with deep udder had increased culling risk. Strong and tight fore udder subclasses were the most favourable as their risk ratios decreased towards the shallowing of udder depth.
format	article
author	Evelin Török István Komlósi Viktor Szőnyi Béla Béri Gábor Mészáros János Posta
author_facet	Evelin Török István Komlósi Viktor Szőnyi Béla Béri Gábor Mészáros János Posta
author_sort	Evelin Török
title	Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows
title_short	Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows
title_full	Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows
title_fullStr	Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows
title_full_unstemmed	Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows
title_sort	combinations of linear type traits affecting the longevity in hungarian holstein-friesian cows
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9d7adee108a8498ea1a7817bcf53bf8a
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Combinations of Linear Type Traits Affecting the Longevity in Hungarian Holstein-Friesian Cows

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