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Genetic correlations between reproduction and production traits in swine.
- B. Holm, M. Bakken, G. Klemetsdal, O. Vangen
- Medicine, BiologyJournal of animal science
- 1 December 2004
Genetic correlations between reproduction and production traits were estimated in swine, indicating that selection toward reduced BF at 100 kg live weight may have an unfavorable impact on WTS2 and single-trait selection for enhanced LMC may affect NBA1 and NBA2.
Reduced genetic structure of north Ethiopian cattle revealed by Y-chromosome analysis
The findings point to a common, but limited, paternal origin of the north Ethiopian cattle populations and strong male-mediated gene flow among them, and provide insight into the historical immigration of cattle into East Africa.
Genetic analysis of age at first service, return rate, litter size, and weaning-to-first service interval of gilts and sows.
Norwegian Landrace pigs born in nucleus herds and raised in nucleus or multiplying herds from 1990 to 2000 were extracted from the Norwegian national recording scheme and genetic parameters of seven traits related to sow reproductive performance were estimated.
Selection for lean weight based on ultrasound and CT in a meat line of sheep
Genetic analysis of litter size, parturition length, and birth assistance requirements in primiparous sows using a joint linear-threshold animal model.
Investigation of whether selection for number of live born piglets has led to prolonged parturition and increased requirement for birth assistance, resulting in increased numbers of stillborn piglets showed that selection for the number ofLive piglets is not expected to influence the numberof stillborn Piglets.
Genetic variation in sows' maternal behaviour, recorded under field conditions
A bio-economic model for calculating economic values of traits for intensive and extensive beef cattle breeds
Genetic parameters between slaughter pig efficiency and growth rate of different body tissues estimated by computed tomography in live boars of Landrace and Duroc.
- E. Gjerlaug-Enger, J. Kongsro, J. Odegard, L. Aass, O. Vangen
- Biology, MedicineAnimal : an international journal of animal…
Genetic correlations between growth of different body tissues scanned using CT, lean meat percentage calculated from CT and more traditional production traits such as the average daily gain from birth to 25 kg (ADG) and the feed conversion ratio (FCR) showed the difficulty in jointly improving LMP and ADG2.
Genetic diversity and admixture of indigenous cattle from North Ethiopia: implications of historical introgressions in the gateway region to Africa.
Overall, North Ethiopian cattle show a high level of within-population genetic variation, which is in the upper range of that reported for domestic cattle and indicates their potential for future breeding applications, even in a global context.
Prediction of fat quality in pig carcasses by near-infrared spectroscopy.
- E. Gjerlaug-Enger, J. Kongsro, L. Aass, J. Odegard, O. Vangen
- Medicine, ChemistryAnimal : an international journal of animal…
- 1 September 2011
Equations based on modified PLS regression methods showed that NIRS technology could predict the fatty acid groups, the main fatty acids and the iodine value accurately with R(2)(cv), RMSECV, R( 2)(val) and RMSEP of 0.98, 0.97 and 1.22, respectively.