Evaluation of genetic variation in the international Brown Swiss population

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Fältnamn	Indikatorer	Metadata
000		03604naa a2200325 4500
001		oai:slubar.slu.se:52680
003		SwePub
008		240410s2013 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://res.slu.se/id/publ/526802 URI
024	7	a https://doi.org/10.1017/S17517311130002812 DOI
040		a (SwePub)slu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Forabosco, Flaviou Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics4 aut0 (Swepub:slu)50157
245	1 0	a Evaluation of genetic variation in the international Brown Swiss population
264	1	c 2013
264	1	b Cambridge University Press (CUP): STM Journals,c 2024
520		a The international Brown Swiss cattle population pedigree was studied to measure genetic variations and to identify the most influential animals. Twenty-two countries provided pedigree information on 71 497 Brown Swiss bulls used for artificial insemination (AI). The total number of animals with the pedigree is 181 094. The mean inbreeding coefficient for the pedigree population was 0.77%. There was, in most cases, an increase in the mean inbreeding coefficient, with the highest value at 2.89% during the last 5-year period (2000 to 2004). The mean average relatedness for the pedigree population was 1.1%. The effective population size in 2004 was 204. There was notable variation between average generation intervals for the four parental pathways. The longest average generation interval, at 8.73 years, was observed in the sire son pathway. The average generation interval for the whole population was 6.53 years. Most genetically influential individuals were sires. The highest contributing founder was a sire with a 3.22% contribution, and the highest contributing founder dam made a contribution of 1.75%. The effective number of founders and the effective number of ancestors were 141 and 88, respectively. The study showed that genetic variation within the pedigree population has been decreasing over recent years. Increasing the number of AI bulls with a low individual coefficient of inbreeding could help to maintain a good level of genetic variation in the Brown Swiss population.
650	7	a LANTBRUKSVETENSKAPERx Bioteknologi med applikationer på växter och djurx Genetik och förädling inom lantbruksvetenskap0 (SwePub)404022 hsv//swe
650	7	a AGRICULTURAL SCIENCESx Agricultural Biotechnologyx Genetics and Breeding in Agricultural Sciences0 (SwePub)404022 hsv//eng
700	1	a Zumbach, Birgitu Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics4 aut0 (Swepub:slu)48081
700	1	a Palucci, Valentinau Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics4 aut0 (Swepub:slu)48203
700	1	a Jorjani, Hosseinu Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics4 aut0 (Swepub:slu)46921
710	2	a Sveriges lantbruksuniversitetb Institutionen för husdjursgenetik (HGEN)4 org
710	2	a Sveriges lantbruksuniversitet
773	0	t Animalg 7, s. 1060-1066q 7<1060-1066x 1751-7311x 1751-732X
856	4 8	u https://res.slu.se/id/publ/52680
856	4 8	u https://doi.org/10.1017/S1751731113000281

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