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Deg Nala Disease

It is more common in rice growing areas. This disease is still confusing. Some believes that it is due to fungus. It was introduced in 1930 in the rice growing areas. Name came from Nala Deg which is a monsoon drain and passes through Sialkot, Gujranwala, and Lahore. In this area there is more crop of rice. It affects animal which is feed on rice straw. Clinically it is characterized by gangrenous lesions on hoof, ears and tails. Initially necrosis and later affected area shed off.


 

Etiology:
 There are two basic theories about cause:

  • According to Indian workers it is due to excessive ingestion of toxic amount of selenium contaminated fodder grown on selenium rich soil. Feeding of rice straw for long period is associated with it. Selenium is accumulated in rice straw. Its concentration is 8-11.6 times high in straw rice than grains and grains may contain 5.2-9.8 times higher concentration of Selenium than soil.

  • In Pakistan Dr. Muhammad Irfan, Ex Dean, Faculty of Veterinary Science, University of Agriculture, Faisalabad pointed out that this disease is due to mycotoxin produced on rice straw. Whenever stored in moist condition there may the chances of growth of fungus and there will be production of mycotoxins.

Treatment:
An antidote Degcure developed at National Research Institute of India, Kernel. It contains MgSO4 1 Kg, FeSO4 166g, CuSO4 24 g, ZnSO4 75 g, CoSO4 15 g. Two doses of 30 grams are given orally/day. After 1-2 days repeat dose and local ASD of lesions so that flies do not sit and do not produce maggots. Recovery after 10-15 weeks but not possible if hooves have shed.

Arsenic improves immunity. Arsenic preparation @ 10 ml/animal for 2-3 days intervals 3-5 injections can be given. Along with it orally give sodium arsenate: 60 mg/animal subcutaneously. Locally available toxin binders should also be given. After ten days to treatment animal may show normal signs.

In our area condition has improved by giving mycotoxin binders. Advise farmers to use supplement of copper and zinc in rice growing areas. 1-2 g to large animals for 10-15 days. Leave for 1 month and again for 15 days. ½ g in small animals for 10-15 days. It is mixed in water and flour and make 15 bolus.

 

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