Prevention of Swine Dysentery (SD)
Field trials - Denmark

Two field trails were carried out in Denmark with over 200 pigs.
 
ECONOR was given at 25ppm in-feed for 28 days.
 
Results: There was a substantial improvement in performance and complete control of the disease.

  Untreated controls ECONOR 25ppm
treated
Improvement with ECONOR (%)
Average daily gain (g) 721 849 17.8
Feed Conversion Efficiency 2.52 2.24 11.1
Pigs with SD (%) 32.4 0 100
Pigs with spirochaetes (%) 24.5 0 100
Madsen and others (1998)
Field trial – Germany

One field trial was conducted in Germany in a herd with chronic swine dysentery. 
 
ECONOR was given at 1mg/kg bw for 21 days.
 
Results: A significant improvement in performance and complete control of SD.

  Control ECONOR Diff. in kg
Initial weight (kg) 31.3 36.1  
Weight at day 11 (kg) 37.4 43.6  
Weight at day 21 (kg) 42.7 50.9  
Average daily weight gain d0/d11 (g) 555 683* 0.128 (+23.0%)
Average daily weight gain d0/d21 (g) 542 706* 0.162 (+29.8%)
* P > 0.001 Ritzmann and others (2000)
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