Srinivas Naik H., Srilatha Ch., Sujatha K.* and Ramamurthy R.V. receive Bjorn Sigurdsson Research Award-2015 in Virology
05 March, 2015, India, USA NEWS CORPThe Bjorn Sigurdsson Research Award-2015 goes to Srinivas Naik H., Srilatha Ch., Sujatha K.* and Ramamurthy R.V. from Department of Pathology, College of Veterinary Science, Sri Venkateswara Veterinary University, Tirupati, India. This is an excellent global opportunity to recognize the meritorious efforts by individual and organization. The research findings were published on world’s prestigious Photon Journal of Pathology. The worldwide competition involved many countries. World’s scientific communities turn their attention to merit of the scientific concept involved in it. It is catalyzing the funding and research enthusiasm. Sun Pharmaceutical Industries Limited also witnessed a rise of +3.24% in stock price. Visna/Maedi virus (VMV), a small ruminant lentivirus responsible for lympho proliferative pneumonia, encephalitis, arthritis and mastitis in sheep. In the present study, 3698 lungs collected from slaughtered sheep in and around Tirupati, AP, India and examined morphologically. 396 lungs were showed different pneumonic lesions. Among 396 lung lesions 21 (5.80%) were diagnosed as Maedi. Grossly, the weight of the lung is increased to two to four times than normal lung. All these lungs were voluminous and slight collapse of lungs when the thoracic cavity is opened. The shape of the enlarged lung remains normal and the affected tissue is of firm often somewhat fleshy consistency. The normal pinkish-red colour of a healthy sheep lung is replaced by a characteristic grey-brownish colour. Greyish discolouration of consolidated areas and more number of minute pinhead sized nodular lesions under the pleural surface. Histopathologically, chronic interstitial pneumonia with dense mononuclear cellular infiltration, hyperplasia of smooth musculature in alveolar septa, and slight fibrosis were observed in all the cases. Peribronchial and perivascular lymphoid hyperplasia and epithelial proliferation in small bronchi and bronchioles. Basing on gross and microscopic changes in lung confirmed it as maedi in sheep. Present study revealed 5.3% cases of Maedi out 396 ovine lung lesions and in few cases it is associated with the Pulmonary adenomatosis and Suppurative pneumonia. Grossly, the lungs were voluminous, greyish in colour with pinhead sized nodular lesions under the pleura. Microscopically, Chronic interstitial pneumonia with dense lymphoid aggregated of mononuclear cell infiltration around the bronchi, bronchioles and perialveolar spaces. The authors are thankful to Sri Venkateswara Veterinary University, Tirupati for providing facilities to carry out postgraduate research work in the Department of Veterinary Pathology, College of Veterinary Science, Tirupati. The incidence of Maedi was 5.3 % out of 396 ovine lungs. Studied gross and microscopic lesions in maedi suspected lungs. Maedi was associated along with the other condition viz pulmonary adenomatosis (0.7%), interstitial pneumonia (1.0%), and suppurative pneumonia (0.5%). The U.S. Food and Drug Administration has announced its second progress report on its strategy to promote the judicious use of antimicrobials in food-producing animals.
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