Salmonellae are rod-shaped, gram-negative bacteria which, not only cause significant disease in pigs, but are considered to be among the most important food-borne pathogens. Globally more than 2500 types have been described for Salmonella worldwide in animals, humans and in the environment; the two most relevant in pigs are S. Choleraesuis and S. Typhimurium.
Salmonellae are rod-shaped, gram-negative bacteria which, not only cause significant disease in pigs, but are considered to be among the most important food-borne pathogens. Globally more than 2500 types have been described for Salmonella worldwide in animals, humans and in the environment; the two most relevant in pigs are S. Choleraesuis and S. Typhimurium.
US - Controlling swine diseases such as Porcine Reproductive and Respiratory Syndrome (PRRS), Porcine Circovirus Associated Disease (PCV2) and Mycoplasma pneumonia (M. hyo) is one of the the key challenges for producers and veterinarians. During the 2012 World Pork Expo, swine experts discussed the impacts of these diseases, the latest research and effective ways to manage respiratory diseases on modern production farms.
In hyperprolific sows with the potential to produce large litters, gestation length will typically last for 3 months, 3 weeks and 3 to 5 days. The more foetuses present, the less room there is for adhesion of the placenta of each individual pig to the uterine wall. To facilitate maximal embryonic development, it is important that the sow is optimally nourished prior to insemination. Also it is important to recognise and minimise stress factors such as fluctuations in environmental temperature, social stress such as fighting and exposure to toxins and infections e.g. PRRS. In hyperprolific sows particularly, these factors have significant negative impact on the forthcoming gestation.
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