ISSN 1392-2130. VETERINARIJA IR ZOOTECHNIKA. T. 4 (26). 1997
THE EFFECT OF ‘LACTOSAN’ ON THE TOTAL NUMBER OF LACTOBACILLUS AND
ENTEROBACTERIA IN THE RECTUM CONTENT OF HEALTHY AND SUFFERING
FROM DIARRHEA CALVES
A. Sederevičius, J. Kantautaitė, R. Sutkevičienė, L. Raškevičienė
Summary. The preventive effect of „Laktosan“ on clinically healthy calves and the effectivity of this preparation in
treating the calves suffering from diarrhea have been studied. The total number of Lactobacteria and Enterobacteria in
the content of rectum of 16 calves was investigated.
„Lactosan“ is a liophilized bacterial preparation consisting of two strains of Lactobacillus - L. plantarum and L.
fermentum. Sick calves were given
two doses of the preparation per os twice daily for three consecutive days. One dose
contains 0,5 g of liophilized preparation, having 13,6 log Lactobacillus per g. Healthy cows were given 1 dose of the
preparation once a day for two days. „Etrovitin“ and „Trimerazin“ were applied for the treatment of sick calves in the
control group.
It was determined that „Lactosan“ positively effects the endoflora of the digestive tract of calves - the total number
of Lactobacteria increased in healthy calves (p <0,01) as well as in sick ones (p < 0,001). The total number of
Lactobacillus was restored in a three day period, while with the commonly used
medicine the total number of
Lactobacteria and
Lactobacillus was lower (p < 0,01) after the same period of treatment.
It was also determined that the total number of Lactobacillus in the rectum content of the sick calves decreased
compared to the healthy ones (p < 0,01). The interrelationships between Enterobacteria and Lactobacillus had changed
as well.
Keywords: calves, diarrhea, lactobacillus, enterobacterium.