Short communication: Effect of subclinical mastitis on reproductive performance of Holstein dairy cows in the Northwest of Spain

Spanish Journal of Agricultural Research

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Title Short communication: Effect of subclinical mastitis on reproductive performance of Holstein dairy cows in the Northwest of Spain
 
Creator Sadeghi, Hafez
Yáñez, Uxía
De Prado, Ana I.
Gharagozlou, Faramarz
Becerra, Juan J.
Herradón, Pedro G.
Peña, Ana I.
Quintela, Luis A.
 
Subject somatic cell count
fertility
concepcion
milk yield
dairy cattle
pregnancy loss
 
Description Aim of study: To investigate the effect of subclinical mastitis (SCM) before and after first artificial insemination (AI), characterized by a somatic cell count (SCC) higher than 200×103 cell/mL, on reproductive performance including first service conception rate (FSCR) and pregnancy loss (PL) in Holstein dairy cows.
Area of study: The central area of Lugo, Galicia, Spain.
Material and methods: This retrospective study was conducted on herd database of a population of 80 commercial Holstein dairy cow farms. A total number of 2053 lactations were included in this study. A binary logistic regression was carried out to analyse all data.
Main results: The results of this study indicated that cows that registered a SCC lower than 200×103 cell/mL within 30 days after first AI were more likely to conceive pregnancy than cows with a higher SCC (31.2% and 25.1% FSCR, respectively; OR=1.285, 95% CI=1.000-1.653). Additionally, an increased SCC neither 30 days before nor 30 days after first AI had a negative effect on prevalence of PL in dairy cows.
Research highlights: These findings revealed that SCM within 30 days after first AI negatively affected FSCR, whilst 30 days before first AI did not affect it. Therefore, it could be suggested that preventing subclinical mastitis after first AI, during a critical period of 30 days, is important to maximize the reproductive performance of dairy cows.
 
Publisher Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)
 
Date 2021-10-29
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://revistas.inia.es/index.php/sjar/article/view/18058
10.5424/sjar/2021194-18058
 
Source Spanish Journal of Agricultural Research; Vol. 19 No. 4 (2021); e04SC01
Spanish Journal of Agricultural Research; Vol. 19 Núm. 4 (2021); e04SC01
2171-9292
 
Language eng
 
Relation https://revistas.inia.es/index.php/sjar/article/view/18058/5809
 
Rights Copyright (c) 2021 Spanish Journal of Agricultural Research
https://creativecommons.org/licenses/by/4.0
 

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