Occurrence of abomasal displacement in dairy cows from High-yielding dairy farms of Paraná State, Southern Brazil
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Published:2023-02-06
Issue:1
Volume:44
Page:9-18
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ISSN:1679-0359
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Container-title:Semina: Ciências Agrárias
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language:
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Short-container-title:Sem. Ci. Agr.
Author:
Dyck Hugo RichardORCID, Perotta João HenriqueORCID, Rodrigues Taís CasonatoORCID, Galvão Julia ArantesORCID, Brum Juliana SperottoORCID, Barros Filho Ivan Roque deORCID
Abstract
The present study aimed to verify the occurrence of displacement of the abomasum (DA) in dairy herds from a high-yielding dairy region of Southern Brazil. Data on breed, age, lactation number, days after calving, breeding system, number of animals, and number of lactating cows in the herd were obtained from 135 cases of DA. A total of 39 herds, and 6,454 cows, including 2,987 lactating cows from the municipality of Palmeira, Paraná State, were included in this study. The overall prevalence of DA was 2.09%, and occurrence of DA during lactation was 4.42%. Left displacement was more prevalent, with 94.07% of the cases. The mean number of lactations and age of the cows were 2.5±1.16 lactations and 50.9±18.5 months, respectively. DA occurred predominantly in the semi-intensive breeding system (68.1% of cases), during the first 4 weeks postpartum (84.4% of cases), in Black and White Holstein-Friesian cows (94.07% of cases), and during the winter (31.1% of cases). Cows with DA in high-yielding dairy farms in Southern Brazil were similar to cows from herds of high-milk-yielding regions of North America and Europe. Multiparous Black and White Holstein-Friesian cows showed the highest prevalence of DA during the transition period, mostly on the left side.
Publisher
Universidade Estadual de Londrina
Subject
General Agricultural and Biological Sciences
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