Uppsatser om pig production

51 uppsatser · sida 3 av 4

Fixering av suggor ? så påverkas välfärd och smågrisdödlighet

Kandidatuppsats · SLU

Piglet survival is a problem of great significance in pig production, affecting both animal welfare and economic aspects negatively. In Sweden it is illegal to use farrowing crates for sows on regular basis. To encounter this problem there is a proposal of an animal welfare …

Annons

Uppfödning av slaktgrisar (Sus scrofa domestica) i stora grupper

gruppstorlekens betydelse för grisars välfärd och produktionsresultat

Kandidatuppsats · SLU

This literature study deals with the pig industry and how group size and available floor area affects the animal welfare and the production results. It shows that both the pigs? welfare and production result can be affected negatively if the environment seems stressful for the …

Klimat i djurtransportbil med slaktgrisar sommartid

jämförelse mellan naturlig och mekanisk ventilation

Examensarbete · SLU

… som produktionsperspektiv. SUMMARY Every year an estimated 171 million pigs are transported within the EU, including 3.5 million in Sweden. The entire transport process, from pen to abattoir, puts the pigs under stress. Stress factors include regrouping, new environments …

Förekomst av leukocyter i råsperma hos semingaltar :

Examensarbete · SLU

… examination on semen samples from boars which are used for the production of pigs for slaughter. The purpose of this study was to investigate the occurrence of leukocytes in semen from AI-boars. The questions addressed were whether there are boars that have leukocytes in their …

Variation in piglet mortality between and within satellites in a sow pool

Masteruppsats · SLU

The piglet mortality rates have become a major issue in today’s pig production. While other production traits such as number of born piglets or produced piglets per sow have been improved, the mortality rate has escalated. High mortality rates before weaning does not only affect …

Motivation for eating roughage in sows

as an indiction of hunger

Masteruppsats · SLU

Today’s feeding methods can determine the domestic pig’s abilities to fulfill basic behavioral needs, such as foraging, and the way in which pigs are feed is an important aspect. Feed does not only provide the energy and nutrients critical for survival, but feeding is also …

Rengöring, desinfektion och förvaring avendoskop i djursjukvården

Högskoleuppsats · SLU

… KRAV, the reasons to why these regulations are important isexplained and how pigs are affected by these rules. The study also shows how well the pigscope in the organic environment considering the origin of the genetic material; from theconventional pig population. The …

Övergödning av Mälaren

Betydelsen av antalet beviljade dispenser av stallgödselspridning vid Sagån

Magisteruppsats · Mälardalens högskola

… find out how much phosphorus was spread each time. The conclusion is that the pig manure contains significantly more phosphorus, meaning greater phosphorus losses. However, these calculations are only estimates. Several farmers were contacted to find out what they think about …

Reproduktion och reproduktionsproblem hos taxtikar

Övrigt arbete · SLU

Artificial insemination (AI) has had a great influence on the development of pig production and is today widely practiced (Gerrit et al., 2005). With AI, genetic progress can at a short period of time be spread worldwide compared with using natural service and the best boars can …