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The present study was performed in order to evaluate the effects of post-cervical artificial insemination (post-CAI) in eastern European continental climate with multiparous sows. The sows were randomly allocated into two groups, and were AI by using CAI with 3 x 10(9) spermatozoa per dose (group 1, n = 859) or by post-CAI, using pooled semen with 1 x 10(9)(More)
Ten pregnant gilts were divided into two groups of five and one group was vaccinated at 80 and 95 days of pregnancy with a commercial bacterin containing Haemophilus parasuis serovars 2, 3 and 5. Half the piglets born to each group of gilts were vaccinated at seven and 21 days of age with the same bacterin, and one week after they were weaned at five weeks,(More)
Postparturient sow losses caused by Clostridium difficile have not been reported in the veterinary literature. Recently in Croatia, in a large outdoor production unit with suboptimal environmental conditions, a sudden increase in postparturient sow mortality was diagnosed. After postpartal application of enrofloxacine to postparturient mastitis metritis(More)
To prove the effect of postparturient swine urogenital disease (SUGD) on reproductive performance, culled sows with SUGD in their previous history (n=1363) were subjected to retrospective lifetime production analysis. The sows were assigned to parity groups 1, 2 to 6, and >6. Bacterial flora of vulval discharges were evaluated. Parity 1 sows had a lower(More)
The aim of the present study was to evaluate the effect of oral vaccination against Lawsonia intracellularis (LI) on growing-finishing pig's performance. In a large Hungarian growing-finishing pig production unit, pigs with positive LI status were randomly divided into 2 groups and treated as follows: Group one: growing pigs (n = 4112) were LI vaccinated(More)
Assessing the reasons for death in pig breeding units is the first step in understanding and controlling the factors influencing sow losses due to mortality. From October 1997 to October 2001 in forty-nine indoor (2876 sows died) and sixty-five outdoor breeding units (3451 sows died) sow mortality was evaluated. The average annual mortality rate during the(More)
The aim of the study was to compare the resistance patterns of Escherichia coli isolates from pig herds with or without prophylactic use of anti-microbial substances. The presented pig units received either antibiotics or oregano as preventive feed additives. The trial was performed from April to October 2001, in the large 'country-corner',(More)