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Genetic analysis of functional and non-functional teats in a population of Yorkshire pigs
TLDR
The results show that the teat number efficiently can be improved by selection, however non- functional teats is a complex trait and further studies need to be performed to investigate the possibilities to improve selection against the non-functional teats. Expand
Inverted teats (Mammillae invertitae) in gilts - effect on piglet survival and growth rate.
TLDR
The importance of an adequate number of well-developed and well-functioning teats in healthy sows for the growth and development of the piglets is indicated but also emphasizes the complexity of the interaction between the nursing sow and her piglets. Expand
Genetic analysis of teat number and litter traits in pigs
TLDR
Animal mixed-model analysis applied on data on purebred Yorkshire pigs in Swedish nucleus herds found that number of non-functional teats was negatively genetically correlated with number of functional teats, and positively correlated with litter size and number of stillborn piglets. Expand
A Double Hierarchical Generalized Linear Model For Teat Number In Pigs
Teat number is an important trait in pig production since each piglet need access to its own teat, due to a complex nursing behavior between the piglets and the sow. The number of teats can vary, butExpand
Genetic and clinical studies of teat traits in the pig
TLDR
The aim of this thesis was to provide new genetic and clinical knowledge about pig teat traits, to create implements for accurate registrations and optimum focus on these traits in the breeding work, and to assist in answering important questions regarding teat trait in the pig. Expand
Applied to Livestock Production Studies of the Genetic Background of a Teat Defect in Pigs Born in Germany and Sweden
To improve the understanding of the genetics underlying the inverted teat defect in pigs, we combined studies from Germany and Sweden. Based on a linkage study in Germany which revealed highlyExpand
Identification of novel candidate genes for the inverted teat defect in sows using a genome-wide marker panel
TLDR
It is concluded, despite being able to suggest new candidate genes, that further studies are needed to better understand the biologic background of the teat development and that more studies are required to allow a clear identification of genetic regions relevant for this defect across many pig populations. Expand