ECONOR was used on a 90 sow breeder/weaner producing farm in Denmark to successfully eradicate Swine Dysentery. Tiamulin had previously been used at high levels to control the disease.
ECONOR premix was given in-feed to provide 5mg valnemulin/kg body weight for 14 days, then reduced to 2.5 mg/kg for a further 14 days and finally to 1.25 mg/kg for 21 days. This was coupled with partial depopulation and extensive cleaning and disinfection of the farm.
Results: There were substantial improvements in performance and reduction in medication costs by 80%.
Once Swine Dysentery has been introduced on a farm, it has traditionally been considered extremely difficult to eradicate, with long-term medication being the accepted response. ECONOR, used in a comprehensive programme under strict veterinary supervision can eradicate SD.
| |
Pre-eradication |
Post-
eradication |
Improvement with ECONOR (%) |
| |
1 Jul 96 to
30 Sep 96 |
1 Oct 96 to
31 Dec 96 |
1 Jan 97 to
31 Mar 97 |
|
| No. of pigs produced/sow/year |
21.6 |
22.5 |
22.7 |
4.6 |
| Mortality after weaning (%) |
5.3 |
2.2 |
3.2 |
49 |
| Daily weight gain (%) |
367 |
374 |
429 |
16.9 |
Cost of medicines
(D. Kr.)
1 Apr 96 to 30 Jun 96 |
11,058 |
|
2,249 |
80 |
|
| 
