Experimental airborne transmission ofSalmonellaAgona andSalmonellaTyphimurium in weaned pigs
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چکیده
منابع مشابه
Flank or belly nosing in weaned pigs
Results: Nosing activity was not observed until 3 days postweaning and peaked in number of pigs involved and duration of activity about 1 week after weaning. Nearly half of all pigs were observed performing some flankor belly-nosing activity. Pigs that nosed were more likely to become the smallest pigs, although initial weight did not differ between pigs that nosed and those that didn’t. In thi...
متن کاملEffect of oral egg antibody in experimental F18+ Escherichia coli infection in weaned pigs.
The protection conferred by egg antibody specific for F18-fimbriae against infection with F18+ Escherichia coli was studied in controlled passive immunization trials involving weaned pigs. Parameters of protection consisted of body weight gain, frequency and severity of diarrhea and recovery of the challenge strain of F18+ E. coli. Weaned pigs at four weeks of age were challenge exposed once da...
متن کاملExperimental Airborne Transmission of Porcine Postweaning Multisystemic Wasting Syndrome
The objective of these studies was to investigate if porcine postweaning multisystemic wasting syndrome (PMWS) could be induced in healthy pigs following contact with air from pigs with clinical signs of PMWS. The pigs were housed in different units. Either 31 (study I) or 25 (study II) pigs with clinical symptoms of PMWS from a PMWS-affected herd and 25 healthy pigs from a PMWS-free, but PCV2-...
متن کاملEnergetics of Segregated Early Weaned Pigs
The energetics of early weaned (13 to 16 days old) pigs were examined under four temperature regimes. The pigs, in groups of 10 (0.28 m2/pig), were housed in the indirect calorimeter chambers at initial air temperatures of 31.1, 28.9, 26.7, or 24.4°C which then were decreased by 1.1°C per week for the three weeks of the post-weaning period. The feed efficiency and average daily gain during the ...
متن کاملEffect of spray-dried plasma and lipopolysaccharide exposure on weaned pigs: I. Effects on the immune axis of weaned pigs.
A study was conducted with 20 weaned barrows (14 d, 4.98 +/- .21 kg) to determine the effect of spray-dried plasma (SDP) on the pig's immune response to a lipopolysaccharide (LPS) challenge. After weaning, pigs were fed a diet containing 0 or 7% SDP for 7 d. On d 6 postweaning, all pigs were fitted with a jugular catheter. On d 7 postweaning, the pigs were given an i.p. injection of either sali...
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ژورنال
عنوان ژورنال: Epidemiology and Infection
سال: 2005
ISSN: 0950-2688,1469-4409
DOI: 10.1017/s0950268805004668