Application of magnet for diagnosis, treatment and prevention of foreign body syndrome in cattle and buffalo
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Date
2014
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Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana
Abstract
The present study was conducted in 4 stages. In first stage prevalence of foreign bodies was determined in 341 animals with the help of ferroscope. It was found that 73.60% animals had a foreign body in reticulum indicating foreign bodies are highly prevalent in cattle and buffaloes of Punjab. In second stage retention time of magnet in reticulum was and all the animals (30) retained the magnet for the study period of 9 months. Therefore a readministration is not required up to a period of 9 months. In third stage diagnostic and therapeutic use of magnet in cases of TRP (84) and traumatic pericarditis (6) was evaluated. It was found that foreign body attached to magnet in 9 out 14 (64.29%) animals in which a second radiograph was taken after 24 hours of magnet administration. So, 24 hours is the optimum time for evaluation of attachment of foreign body with the magnet. However overall foreign bodies were attached to magnet in 24 out of 46 animals in which a second radiograph was taken after 2-24 hours. All the animals with attached foreign bodies recovered. So radiographic attachment of foreign body with magnet is a reliable indicator of successful magnet therapy. Causes of non-attachment determined on rumenotomy in 6 out of 22 animals with unattached foreign bodies on second radiograph revealed that unattached foreign bodies were either deeply penetrated or non-ferromagnetic in nature. Diagnostic use of magnet was evaluated in 16 animals out of which in 7 animals a sharp foreign on second radiograph became evident. Overall recovery was seen in 49 out of 78 (62.82%) animals with TRP; however none of the animals with traumatic pericarditis recovered. Rumenotomy also revealed that all ferromagnetic foreign bodies attached to magnet and first radiograph was 56.67% sensitive while second radiograph, after magnet administration, was 78.94% sensitive in determining number of foreign body in reticulum. Suitability of ferroscope for diagnosis of foreign bodies evaluated in 96 animals revealed that in 33 out of 34 animals with TRP, foreign bodies were located caudal to xiphoid. In animals with traumatic pericarditis (38) ferroscopy revealed a foreign body cranial to xiphiod on left side in most cases (21/38). Ferroscopy in animals with diaphragmatic hernia (12) revealed that foreign body was detectable cranial to xiphoid in all and on right side in 11 out of 12 animals. In animals with pleural effusions (12), foreign body was detectable cranial to xiphoid in 5 animals, indicating that foreign bodies are a cause of pleural effusions in 40% of bovines. As foreign body was not seen on radiography of thorax in many cases of pericarditis and pleural effusions so ferroscopy is an improvement over radiography for diagnosis of foreign body in thoracic affections