Mortality of calves born from alentejana and mertolenga cows in Portalegre district

Introduction: Apart from its economic impact, calf mortality is an important welfare indicator in beef calf farms. Objectives: Evaluate mortality rates in calves born from two indigenous cattle breeds dams in the Portalegre district. Methods: Records of births and deaths between birth and 180...

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Autores principales:	Rute Santos, Luísa Pereira, Miguel Minas, Lina Costa, Maria da Graça Carvalho, Maria do Carmo Caetano, José Neves
Formato:	article
Lenguaje:	EN PT
Publicado:	Instituto Politécnico de Viseu 2020
Materias:	Calves Mortality Portalegre Alentejana Mertolenga Special aspects of education LC8-6691 Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/62a0041c612940169a89c621d6352710
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spelling	oai:doaj.org-article:62a0041c612940169a89c621d63527102021-12-02T15:55:49ZMortality of calves born from alentejana and mertolenga cows in Portalegre district 10.29352/mill0211.09.002610873-30151647-662Xhttps://doaj.org/article/62a0041c612940169a89c621d63527102020-01-01T00:00:00Zhttps://revistas.rcaap.pt/millenium/article/view/18701https://doaj.org/toc/0873-3015https://doaj.org/toc/1647-662X Introduction: Apart from its economic impact, calf mortality is an important welfare indicator in beef calf farms. Objectives: Evaluate mortality rates in calves born from two indigenous cattle breeds dams in the Portalegre district. Methods: Records of births and deaths between birth and 180 days of calves born from Alentejana and Mertolenga dams in Portalegre district, from January 1, 2016, to December 31, 2018, were obtained from the national database. Mortality rates were calculated and the association between mortality period and age of the dam was evaluated. Results: Calves born from Alentejana and Mertolenga cows represented 11.6% and 2.9% of cattle births in the Portalegre district during this period, with a decrease in the number of births during the three considered years, more noticeable in the Alentejana breed. The average mortality rate was 3.2% for calves born from Alentejana dams and 2.3% for calves born from Mertolenga dams. The average age of dams was 8.68 and 7.37 years, for Alentejana and Mertolenga dams respectively. Perinatal death (from birth to 48 h) occurred in calves born from older cows (p=0.024). Conclusions: Mortality rates of calves born from the two studied indigenous breeds are low to moderate when compared to rates reported in other breeds. Rute SantosLuísa PereiraMiguel MinasLina CostaMaria da Graça CarvalhoMaria do Carmo CaetanoJosé NevesInstituto Politécnico de ViseuarticleCalvesMortalityPortalegreAlentejanaMertolengaSpecial aspects of educationLC8-6691Public aspects of medicineRA1-1270ENPTMillenium, Vol 2, Iss 11 (2020)
institution	DOAJ
collection	DOAJ
language	EN PT
topic	Calves Mortality Portalegre Alentejana Mertolenga Special aspects of education LC8-6691 Public aspects of medicine RA1-1270
spellingShingle	Calves Mortality Portalegre Alentejana Mertolenga Special aspects of education LC8-6691 Public aspects of medicine RA1-1270 Rute Santos Luísa Pereira Miguel Minas Lina Costa Maria da Graça Carvalho Maria do Carmo Caetano José Neves Mortality of calves born from alentejana and mertolenga cows in Portalegre district
description	Introduction: Apart from its economic impact, calf mortality is an important welfare indicator in beef calf farms. Objectives: Evaluate mortality rates in calves born from two indigenous cattle breeds dams in the Portalegre district. Methods: Records of births and deaths between birth and 180 days of calves born from Alentejana and Mertolenga dams in Portalegre district, from January 1, 2016, to December 31, 2018, were obtained from the national database. Mortality rates were calculated and the association between mortality period and age of the dam was evaluated. Results: Calves born from Alentejana and Mertolenga cows represented 11.6% and 2.9% of cattle births in the Portalegre district during this period, with a decrease in the number of births during the three considered years, more noticeable in the Alentejana breed. The average mortality rate was 3.2% for calves born from Alentejana dams and 2.3% for calves born from Mertolenga dams. The average age of dams was 8.68 and 7.37 years, for Alentejana and Mertolenga dams respectively. Perinatal death (from birth to 48 h) occurred in calves born from older cows (p=0.024). Conclusions: Mortality rates of calves born from the two studied indigenous breeds are low to moderate when compared to rates reported in other breeds.
format	article
author	Rute Santos Luísa Pereira Miguel Minas Lina Costa Maria da Graça Carvalho Maria do Carmo Caetano José Neves
author_facet	Rute Santos Luísa Pereira Miguel Minas Lina Costa Maria da Graça Carvalho Maria do Carmo Caetano José Neves
author_sort	Rute Santos
title	Mortality of calves born from alentejana and mertolenga cows in Portalegre district
title_short	Mortality of calves born from alentejana and mertolenga cows in Portalegre district
title_full	Mortality of calves born from alentejana and mertolenga cows in Portalegre district
title_fullStr	Mortality of calves born from alentejana and mertolenga cows in Portalegre district
title_full_unstemmed	Mortality of calves born from alentejana and mertolenga cows in Portalegre district
title_sort	mortality of calves born from alentejana and mertolenga cows in portalegre district
publisher	Instituto Politécnico de Viseu
publishDate	2020
url	https://doaj.org/article/62a0041c612940169a89c621d6352710
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Mortality of calves born from alentejana and mertolenga cows in Portalegre district

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