51 uppsatser · sida 2 av 4
… are poor and live in rural areas. Farmers mainly culture rice, and raise pigs, cattle and poultry as well. During two months, a minor field study was performed in Cambodia. The main purpose was to evaluate the impact of contributions done by projects that started in 2005 and …
enkätstudie för smågrisproducenter
… that is as accuratelyas possible is important. For this reason, the Swedish pig production recently has changed energy evaluation system from metabolic energy to net energy. In the previoussystem, the energy in protein feeds was overestimated and the sows' ability to utilize …
Pigs in Swedish organic production systems have been shown to have more findings of arthritis at slaughter, compared to pigs in conventional pig production. With this in mind a study was performed, to primary, investigate variation in exterior, gait and weight gain between sire …
… a lot of harvested straw has been lost since it was too wet to store. When the pig producers couldn’t get enough straw to use as bedding, an alternative was requested. Silage is a realistic alternative to straw but since silage often contains clover, it may not be suitable to …
… this report was to compare two different options for expanding of an existing pig farm. For the time being there are low prices within the agricultural market of pig production, and it is interesting to see if it is worth expanding or not. The two different options this report …
… 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 …
… (ANS) that cause problems like growth depression for growing- and finishing pigs, and therefore limit their use as animal feed. The most common ANS in those crops are glucosinolates, tannins, proteasinhibitors, alkaloids, lectins, saponins, vicin and convicin. Other protein rich …
associations with sow productivity and behaviour
… i.e. when an offspring nurses a female other than their own mother, occurs in pig production systems where sows are group housed during lactation. As production systems where several sows and their litters are housed together during lactation are getting more common, the need of …
At the farm Fride, in Lojsta at the Southern part of Gotland, my family runs a pig production with 80 part-integrated sows in a ”Familybox-system”. The main parts of the facilities are from the early 90´s and have done their job. The production results have the last years …
effekter på beteende och emission av kväve (NH3 och N2O)
… allowed. Therefore, a higher level of crude protein is needed in the diet to pigs, which lead to more nitrogen (N) excreted in the faeces and urine. N can be emitted to the air in the form of e.g. ammonia (NH3), which contributes to eutrophication and acidification and as …
evaluation of methods, microbial activity and agronomic implications
… activity (PDA) was measured at fertilizer addition were performed. As controls pig slurry (PS) was used in both experiments along with a mixture of ammonium and glucose in the respiration experiment. In two follow up experiments soil PDA at addition of trace elements, extra …
… at the time for culling. Therefore, it is an important question for the pig industry, how to raise gilts to sows with a high and sustainable production level. Several rearing factors are thought to influence the reproductive performance as well as the longevity of the sow …
en fallstudie
I have done a case-study about building a new stable for slaughter pigs at a farm close to Kalmar. The farm is able to supply the breeding with cereals and it has enough area to spread the manure on. The most important factors to gain profit, is the cost for building the stable …
hur uppfattar de varandra
Studies on wild boars have shown that piglets at 10 to 12 days of age can be introduced to pigs outside the litter without fighting. In today's production systems, the litters are kept in separate pens until weaning. At that point, the litter is divided and the piglets are …
orsaker och patogenes
… produce exfoliative toxins and cause a potentially fatal skin disease in piglets known as exudative epidermitis. Vaccines and antimicrobials are used to control the disease. Antimicrobial resistance and the prevalence of several different toxin genes and toxigenic strains make …
