Effect of a High Proportion of Rye in Compound Feed for Reduction of Typhimurium in Experimentally Infected Young Pigs.

Public health concerns and the potential for food-borne zoonotic transmission have made a subject of surveillance programs in food-producing animals. Forty-two piglets (25 d of age and initially 7.48 kg) were used in a 28 d infection period to evaluate the effects of a high proportion of rye on reducing Typhimurium. Piglets were divided into two diet groups: control diet (wheat 69%) and experimental diet (rye 69%). After a one-week adaptation period, all piglets were orally infected with Typhimurium (10 log CFU/mL; 2mL/pig). in fecal shedding were evaluated at day 1, 3, 5, 7 and then weekly after infection. At the end of the experimental period (at day 28 after infection), the piglets were euthanized to sample feces, cecal digesta contents and ileocecal lymph nodes to determine the bacterial counts of . The results suggest that the bacterial counts in the experimental group fed rye diets showed evidence of reducing fecal shedding from day 14 onwards and decreasing the number of in cecal digesta. However, the translocation of in ileocecal lymph nodes was not affected. Furthermore, feed intake, weight gain and feed conversion did not differ between the groups ( > 0.05).