Genetic parameters for fur quality graded on live animals and dried pelts of American mink (<i>Neovison vison</i>)

Thirstrup, Janne Pia; Jensen, Just; Lund, Mogens Sandø

doi:10.1111/jbg.12258

J Animal Breeding Genetics

2017

DOI: 10.1111/jbg.12258

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Genetic parameters for fur quality graded on live animals and dried pelts of American mink (Neovison vison)

Janne Pia Thirstrup

¹

,

Just Jensen

²

,

Mogens Sandø Lund

³

Abstract: Fur quality and skin size are integral qualities in the mink industry and are main determinants of sales price and subsequent income for mink fur producers. Parental animals of future generations are selected based on quality grading from live animals, but selection response is obtained from dried skins sold after pelting. In this study, we evaluated traits assessed during live grading and pelt traits examined on dried skins to determine correlation between live and pelt traits. Grading traits and body weight … Show more

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Cited by 21 publications

(36 citation statements)

References 12 publications

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4

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28

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“…Thirstrup et al [ 6 ] estimated a heritability of 0.30 for DQU, which is higher than our estimate of 0.12 ± 0.04 for this trait. In our study, we had four categories, while Thirstrup et al [ 6 ] defined 12 categories for this trait. Additionally, DQU evaluation is being subjectively performed by fur evaluators, and there is no universal definition for DQU available in the literature.…”

Section: Resultscontrasting

confidence: 95%

“…Difference in genetic background and environmental factors between the two species might be the potential reasons for difference in estimated heritability. The heritability reported for LQU ranges from 0.19 to 0.35 in previous studies of American mink [ 6 , 14 , 15 , 25 , 29 ], which is comparable with our result (0.28 ± 0.06). Thirstrup et al [ 6 ] estimated a heritability of 0.30 for DQU, which is higher than our estimate of 0.12 ± 0.04 for this trait.…”

Section: Resultssupporting

confidence: 93%

“…The heritability reported for LQU ranges from 0.19 to 0.35 in previous studies of American mink [ 6 , 14 , 15 , 25 , 29 ], which is comparable with our result (0.28 ± 0.06). Thirstrup et al [ 6 ] estimated a heritability of 0.30 for DQU, which is higher than our estimate of 0.12 ± 0.04 for this trait. In our study, we had four categories, while Thirstrup et al [ 6 ] defined 12 categories for this trait.…”

Section: Resultssupporting

confidence: 93%

“…These results suggested that selection for larger body size in November of the first year of life would not negatively affect live grading traits in mink. Similar to our results, Thirstrup et al [ 6 ] reported nonsignificant genetic correlations between body weight and LQU (−0.13 to 0.18) and between body weight and LNAP (−0.01 to 0.07).…”

Section: Resultssupporting

confidence: 92%

“…The moderate heritability of these traits indicated that selection for higher body weight and length and larger skin size might be possible through genetic selection. Thirstrup et al [ 6 ] estimated the heritability of 0.45 for both male and female skin size, which was similar to the heritability (±SE) obtained for skin size in our study (0.41 ± 0.06). However, Lagerkvist et al [ 25 ] reported higher heritability for skin size (0.57).…”

Section: Resultssupporting

confidence: 91%

See 4 more Smart Citations

Genetic and Phenotypic Parameters for Pelt Quality and Body Length and Weight Traits in American Mink

Valipour

¹

,

Karimi

²

,

Barrett

³

et al. 2022

Animals

Get access via publisher Add to collection Cite

Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

“…Thirstrup et al [ 6 ] estimated a heritability of 0.30 for DQU, which is higher than our estimate of 0.12 ± 0.04 for this trait. In our study, we had four categories, while Thirstrup et al [ 6 ] defined 12 categories for this trait. Additionally, DQU evaluation is being subjectively performed by fur evaluators, and there is no universal definition for DQU available in the literature.…”

Section: Resultscontrasting

confidence: 95%

“…Difference in genetic background and environmental factors between the two species might be the potential reasons for difference in estimated heritability. The heritability reported for LQU ranges from 0.19 to 0.35 in previous studies of American mink [ 6 , 14 , 15 , 25 , 29 ], which is comparable with our result (0.28 ± 0.06). Thirstrup et al [ 6 ] estimated a heritability of 0.30 for DQU, which is higher than our estimate of 0.12 ± 0.04 for this trait.…”

Section: Resultssupporting

confidence: 93%

“…The heritability reported for LQU ranges from 0.19 to 0.35 in previous studies of American mink [ 6 , 14 , 15 , 25 , 29 ], which is comparable with our result (0.28 ± 0.06). Thirstrup et al [ 6 ] estimated a heritability of 0.30 for DQU, which is higher than our estimate of 0.12 ± 0.04 for this trait. In our study, we had four categories, while Thirstrup et al [ 6 ] defined 12 categories for this trait.…”

Section: Resultssupporting

confidence: 93%

“…These results suggested that selection for larger body size in November of the first year of life would not negatively affect live grading traits in mink. Similar to our results, Thirstrup et al [ 6 ] reported nonsignificant genetic correlations between body weight and LQU (−0.13 to 0.18) and between body weight and LNAP (−0.01 to 0.07).…”

Section: Resultssupporting

confidence: 92%

“…The moderate heritability of these traits indicated that selection for higher body weight and length and larger skin size might be possible through genetic selection. Thirstrup et al [ 6 ] estimated the heritability of 0.45 for both male and female skin size, which was similar to the heritability (±SE) obtained for skin size in our study (0.41 ± 0.06). However, Lagerkvist et al [ 25 ] reported higher heritability for skin size (0.57).…”

Section: Resultssupporting

confidence: 91%

See 3 more Smart Citations

Genetic and Phenotypic Parameters for Pelt Quality and Body Length and Weight Traits in American Mink

Valipour

¹

,

Karimi

²

,

Barrett

³

et al. 2022

Animals

Get access via publisher Add to collection Cite

Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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