411 uppsatser · sida 22 av 28
… takes place largely in the restored oxbow lake Tian?e-Zhou where porpoises breed naturally in an environment with reduced fishing and vessel traffic. The in-situ work is performed in established reserves in the main river. In captivity, the porpoises reproduce successfully and …
… sig av naturlig betäckning med en frigående bagge. När man gör en så kallad breeding soundness evaluation för att utvärdera baggars potentiella reproduktionsförmåga ingår flera olika moment i undersökningen, bland annat pungomkretsmätning och palpation av könsorganen. Dessa …
… state of pigs and if the tail posture of the pig is affected by social breeding value (SBV), coping style and/or housing. Emotional state can be defined in two dimensions: valence and arousal. Two batches of 96 finishing pigs were studied in a one generation selection experiment …
In Sweden the breeding organization for the Swedish Warmblood horse uses a traditional scoring system when evaluating horses. The horse is scored subjectively in relation to how good each trait is in relation to the breeding objective. Other countries, for example the …
… to register different behaviors would be extremely useful in research and breeding. In this study, a HOBO Pendant G data logger was validated for two different functions. First, the function as a pure activity meter in which the accelerometer's ability to detect an upcoming …
… with effects on properties such as tenderness and marbling. To carry on the breeding of marker genes for our Swedish beef breeds, it is important to examine the impact genes have on our Swedish animal material. This study mainly includes genes affecting meat tenderness and …
andel överviktiga, riskfaktorer, konsekvenser samt hur övervikt kan förebyggas och förekomsten minskas
… weight by more than 10-25%. Risk factors associated with obesity may include breed, age, castration or high energy intake relative to energy consumption. The consequences of obesity are believed to be metabolic and hormonal changes, as well as cardiovascular and respiratory …
… the mouth of the horse. This experiment included six racehorses with different breed, ages, gender and temperament. They were driven with a bitless bridle with bit at least eight occasions, at least twice a week for four weeks. Three drivers drove two horses throughout the …
en tredje uppföljande studie
… diseases are also the cause to expensive veterinary treatments of many large breeds, including Labrador Retrievers. The aim of this study was to make a follow-up study on the 271 Labradors, who previously participated in a study on the effect of nutrition and exercise on hip and …
production benefits and problems
… the study. During the study nine individual farmers, two cooperatives breeding sheep and one group interview were conducted. In total twelve interviews were made with 32 farmers. Of these farmers 28 reported that they had ruminants. The majority of the farmers had cows with milk …
… They see this increase as worrying, especially in cases of the less common breeds, where it is most important to maintain the gene pool. The SKK expresses concern that castration is used as a tool to influence the personality of dogs, instead of training and education of the …
… pine at the stand scale, but further studies would be required to assess the breeding success of sensitive resident birds in lodgepole pine habitats before any definite conclusions can be drawn.
… for BVD was 23 % on animal level and 39% on herd level. Using a bull for breeding instead of artificial insemination was found to be a statistically significant risk factor for BVD (p=0.02). Since several seropositive cattle for Brucella spp. and Salmonella spp. were found in …
… oestrus duration and strength in heifers of the Swedish Red and Holstein breeds. Standing oestrus has been the primary oestrus sign during many years. It is important to look for other signs than standing oestrus to get a high conception rate, since the standing oestrus length …
… hours of light and 20 hours of darkness (L4:D20). Five cows of the Swedish Red breed were used in a cross-over experiment and each light program consisted of five days. Milk yield was measured at every milking and milk samples were analyzed with regard to fat, lactose and …
