Interfamiliar specific fertility in Italian Brown Swiss cattle

The aim of this study is to evaluate the effects of interaction between sire of cow and service sire on the success/unsuccess of inseminations. Data from insemination events of Italian Brown Swiss cows collected from January 1993 through August 2007 were restricted to repeat breeder cows. A cluster...

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Main Authors: Alessandro Bagnato, Francesco Vacirca, Ottavia Pedron, Fausta Schiavini, Antonia Bianca Samoré, Rita Rizzi
Format: Article
Language:English
Published: Taylor & Francis Group 2010-01-01
Series:Italian Journal of Animal Science
Subjects:
Online Access:http://www.aspajournal.it/index.php/ijas/article/view/330
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author Alessandro Bagnato
Francesco Vacirca
Ottavia Pedron
Fausta Schiavini
Antonia Bianca Samoré
Rita Rizzi
author_facet Alessandro Bagnato
Francesco Vacirca
Ottavia Pedron
Fausta Schiavini
Antonia Bianca Samoré
Rita Rizzi
author_sort Alessandro Bagnato
collection DOAJ
description The aim of this study is to evaluate the effects of interaction between sire of cow and service sire on the success/unsuccess of inseminations. Data from insemination events of Italian Brown Swiss cows collected from January 1993 through August 2007 were restricted to repeat breeder cows. A cluster analysis was carried out to group herds with very few observations in clusters with at least 15 observations. The edited data set included 102,710 services of 10,708 cows, daughters of 1,716 sires and mated to 3,108 service sires. The success or unsuccess at each insemination was evaluated by a linear mixed model including the fixed effects of herd-year interaction, month of insemination, age, and the random effects of sire service-sire of cow interaction and residual. The distribution of bull combination estimates was bimodal. When the tails of distribution (best and worst 5% of estimates) were considered, 271 service sires were included in both tails. Results suggest that major gene can affect the survival of embryos and that positive or negative interactions between paternal and maternal genotype can affect this reproductive trait.
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spelling doaj.art-87bbf0ca87a94113ba44512d825caddc2022-12-21T18:18:20ZengTaylor & Francis GroupItalian Journal of Animal Science1594-40771828-051X2010-01-0182s13513710.4081/ijas.2009.s2.135Interfamiliar specific fertility in Italian Brown Swiss cattleAlessandro BagnatoFrancesco VacircaOttavia PedronFausta SchiaviniAntonia Bianca SamoréRita RizziThe aim of this study is to evaluate the effects of interaction between sire of cow and service sire on the success/unsuccess of inseminations. Data from insemination events of Italian Brown Swiss cows collected from January 1993 through August 2007 were restricted to repeat breeder cows. A cluster analysis was carried out to group herds with very few observations in clusters with at least 15 observations. The edited data set included 102,710 services of 10,708 cows, daughters of 1,716 sires and mated to 3,108 service sires. The success or unsuccess at each insemination was evaluated by a linear mixed model including the fixed effects of herd-year interaction, month of insemination, age, and the random effects of sire service-sire of cow interaction and residual. The distribution of bull combination estimates was bimodal. When the tails of distribution (best and worst 5% of estimates) were considered, 271 service sires were included in both tails. Results suggest that major gene can affect the survival of embryos and that positive or negative interactions between paternal and maternal genotype can affect this reproductive trait.http://www.aspajournal.it/index.php/ijas/article/view/330Cattle, Fertility, Repeat breeding, Gametic incompatibility.
spellingShingle Alessandro Bagnato
Francesco Vacirca
Ottavia Pedron
Fausta Schiavini
Antonia Bianca Samoré
Rita Rizzi
Interfamiliar specific fertility in Italian Brown Swiss cattle
Italian Journal of Animal Science
Cattle, Fertility, Repeat breeding, Gametic incompatibility.
title Interfamiliar specific fertility in Italian Brown Swiss cattle
title_full Interfamiliar specific fertility in Italian Brown Swiss cattle
title_fullStr Interfamiliar specific fertility in Italian Brown Swiss cattle
title_full_unstemmed Interfamiliar specific fertility in Italian Brown Swiss cattle
title_short Interfamiliar specific fertility in Italian Brown Swiss cattle
title_sort interfamiliar specific fertility in italian brown swiss cattle
topic Cattle, Fertility, Repeat breeding, Gametic incompatibility.
url http://www.aspajournal.it/index.php/ijas/article/view/330
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