dc.contributor.author | Gjerde, Bjarne | |
dc.contributor.author | Boison, Solomon Antwi | |
dc.contributor.author | Aslam, Muhammad Luqman | |
dc.contributor.author | Moghadam, Hooman | |
dc.contributor.author | Lillehammer, Marie | |
dc.contributor.author | Løvoll, Marie | |
dc.contributor.author | Rey, Simon | |
dc.date.accessioned | 2018-01-30T09:57:16Z | |
dc.date.available | 2018-01-30T09:57:16Z | |
dc.date.created | 2017-11-21T12:01:39Z | |
dc.date.issued | 2017 | |
dc.identifier.isbn | 978-82-8296-409-8 | |
dc.identifier.uri | http://hdl.handle.net/11250/2480587 | |
dc.description.abstract | Estimates of genetic parameters for resistance to AGD were obtained based on gill-scores from a bath challenge test and a field test. In the field test, the amount of P. perurans on the gills was obtained by CT-qPCR. In the field test, the body weights were recorded at the time of gill-scoring. The body weight of a sib group reared in an AGD-free environment were recorded at harvest. The genetic correlation between gill-score in the bath challenge test and the field was close to zero. A bath challenge test for resistance to AGD can therefore not replace a field test in a selective breeding program. Efforts should be taken to develop a challenge test more similar to that the fish experience in a field test, e.g. a cohabitation test. In the AGD-affected environment the high genetic correlation of gill-score with CT-qPCR for P. perurans (rg=0.81 ± 0.16) and body weight (rg=-0.88 ± 0.09) indicate that CT-qPCR and growth may be used as indirect trait measures of resistance to AGD. The high genetic correlation between the body weights in the AGD-affected and the AGD-free test environment (rg=0.86 ± 0.05) indicate a true favourable genetic correlation between resistance to AGD and growth in Atlantic salmon. Consequently, selection for increased growth rate will result in a favourable genetic correlated response in resistance to AGD. These genetic correlation need to be verified in a similar experiment. | |
dc.description.abstract | Er genetisk motstandskraft mot AGD i ein badesmitte test eit godt mål på genetisk motstandskraft mot AGD i ein felt test? | |
dc.language.iso | eng | |
dc.publisher | Nofima AS | |
dc.relation.ispartof | Nofima rapportserie | |
dc.relation.ispartofseries | Nofima rapportserie | |
dc.relation.uri | https://nofimaas.sharepoint.com/sites/public/_layouts/15/guestaccess.aspx?docid=0f5a2a700843f485f877b6745cb963513&authkey=AQ-AeNiafWHcK2Sn-LVeHzU | |
dc.title | Is genetic resistance to AGD from a bath challenge-test a good predictor of genetic resistance from a field-test? | |
dc.title.alternative | Er genetisk motstandskraft mot AGD i ein badesmitte test eit godt mål på genetisk motstandskraft mot AGD i ein felt test? | |
dc.type | Research report | |
dc.description.version | publishedVersion | |
dc.source.pagenumber | 23 | |
dc.source.issue | 26/2017 | |
dc.identifier.cristin | 1516596 | |
dc.relation.project | Nofima AS: 11446 | |
dc.relation.project | Fiskeri- og havbruksnæringens forskningsfond: 901147 | |
cristin.unitcode | 7543,1,1,0 | |
cristin.unitname | Avl og genetikk | |
cristin.ispublished | true | |
cristin.fulltext | original | |