Uppsatser om genetic parameters
19 uppsatser · sida 1 av 2
Kandidatuppsats · SLU
Genetic parameters for four leg conformation traits in dogs (Canis lupus familiaris) are in this literature review summarized to investigate whether selective breeding could be useful to improve purebred dogs´ health and welfare. The four traits are leg length, leg weakness, hip …
Masteruppsats · SLU
… dog and to use the results as a basis for selection. However, up to now, no genetic study of these data has been done. Therefore the aim of this study was to estimate genetic parameters for the traits measured in the hunting test and to investigate whether the traits can …
finns det genetisk variation som kan användas i avelsarbetet?
Examensarbete · SLU
… important for the profitability in beef cattle production. Today there is no genetic evaluation for female fertility in Swedish beef cows. The purpose of this study was to see if calving interval can be used in the genetic evaluation as a measure of female fertility in beef …
Examensarbete · SLU
… was from one to three and the decision was made by the AI technician. The genetic parameters for heat intensity have been estimated from data collected before the scoring was changed, but parameters have not been estimated for the new system. The aim of this study was to …
Examensarbete, grundnivå · SLU
… and serum cortisol between the two breeds might be related to differences in genetic setup, training status as well as management conditions. The tested parameters are all potential candidates for further investigation in horses clinically affected of EMS and a further …
Masteruppsats · SLU
… slight lesion (/) or severe lesion (X). The aim of this study was to estimate genetic parameters and repeatabilities between lactations for dermatitis, heel horn erosion, sole haemorrhage and sole ulcer from the reported claw health records. Data collected between 2003 and June …
Examensarbete · SLU
… are not normally distributed advanced methodology is needed to calculate genetic parameters. Breeding is a tool to improve the economy of the farm and for the selection of breeders estimated breeding values (EBV) for important traits are of high value. In sheep breeding both …
Masteruppsats · SLU
… were studied depending on breed, lactation number and housing system and genetic parameters were estimated for the same breed-lactation-housing-combinations. To investigate the presence of a GxE interaction, genetic correlations between the same claw disease in different housing …
Masteruppsats · SLU
… management, that the number of piglets born alive is largely affected by genetic material and that Swedish piglet producers have the opportunity to increase the number of weaned piglets per sow and year. This can be accomplished by improved piglet survival, decreasing the …
Masteruppsats · KTH
… the global design indices in order to find a set of optimal design parameters. Genetic algorithm (GA) was used for optimization due to the nonlinearity of the multi-objective function. The optimal design parameters were obtained by minimizing the payload index while maximizing …
Kandidatuppsats · SLU
… same rate as the milk yield has increased. This is a result of the negative genetic correlation between milk yield and fertility, failure to show estrous signs and metabolic problems in the cow. The purpose of this review was to investigate the function of metabolites and …
Examensarbete · SLU
The purposes of this study were to estimate genetic and phenotypic parameters for conformation traits in Swedish Ardenner, a heavy draught horse, and to investigate the inbreeding status of the population. Additionally, a breeding scheme proposal was created, based on the …
Masteruppsats · SLU
Samodling är en odlingsmetod som kan användas för att förbättra dagens odlingssystem. Metoden innebär att två eller flera kulturer odlas tillsammans under en större del av växtsäsongen. Samodling kan användas på flera olika sätt för att förbättra odlingsförhållandena för …
Kandidatuppsats · Göteborgs universitet · 2013
… sites on the Swedish west coast; Råssö, Hunnebo, Askerö- and Gullmarfjorden. Genetic, chemical and morphological (length and weight) data were gathered for the purpose of determining populations of origin. Herring catches are nearly always of mixed origin since individuals only …
Examensarbete · SLU
… to the cadmium uptake and transport in the plant. Through plant breeding and genetical control, it is possible to reduce the uptake of cadmium to the kernels. Also, the growers can reduce the cadmium content in their crops. Using fertilizer free of cadmium is one of the most …