Browsing by Author "Chakravarthi, R"
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PresentationItem Open Access Investigation on public knowledge, attitude and practices related to pet management and zoonotic canine diseases in Erode District, Tamil Nadu(2020-02) Chakravarthi, R; Serma Saravana Pandian, A; TANUVASMany infectious diseases are transmitted from animals to human and the other way. Despite this there is limited information about public knowledge on pet husbandry and diseases control practices in Erode district. The objectives of this study are to assess the knowledge, attitude and practices towards pet husbandry, contact-related attitude and zoonotic diseases among dog-owning households in Erode district. A crosssectional questionnaire based study was conducted to assess the public’s perception. A total of 30 dog-owning households were interviewed using structured questionnaire. Of the total 30 respondents, 30 % did not take their dog to veterinary service on regular basis (at least once a year). 23.3% fed raw meat to their dogs and 60 % of the owners report that their dogs drink stagnant water. The majority of the respondents (96.7%) in the current study believed the risk of acquiring zoonotic diseases from dogs. 96.7% respondents have knowledge on zoonotic potential of rabies , 63.3%on that of Scabies and 36% on that of Leptospirosis. Out of those who received information, 66.7% of them obtained from books and family menbers. Only 23.3% and 10% of them received information from veterinarians and health workers, respectively. The result suggests a need for awareness creation on proper pet management and zoonotic diseases prevention practices for pet-owning households, with concreted efforts by veterinary, human and public health professionals showcasing the need of ONE HEALTH concept.ArticleItem Open Access Retrospective studies on canine mammary neoplasm in dogs over a period of four years (2014-2018)(2020) Senthil, NR; Chakravarthi, R; Vairamuthu, S; TANUVASThe present work was based on retrospective study of 386 biopsies of dogs received over a period of four years (2014 to 2018) in and around Chennai at Madras Veterinary College, Chennai-600 007, out of which 99 biopsies (25.64%) were reported positive for Canine Mammary Neoplasm. The sex-wise distribution revealed higher incidence in intact bitches 80.2% (77 cases), followed by bitches neutered after 3 years of age 16.7% (16 cases), followed by bitches neutered before 3 years of age 3.1% (3 cases) in total accounting for 96 cases in bitches (96.9%) and in dogs 3 cases were reported (3.1%). Maximum number of cases were 57 cases (57.6%) in the age group of 5-10 years followed by 32 cases (32.3%) in above 10 years and 10 cases (10.1%) in 0-5 years. The incidence of Canine Mammary Neoplasm was highest in Labrador retriever with 32 cases (32.32%),followed by Non-descript Dogs (ND) with 24 cases (24.32%), Spitz with 19 cases (19.19%), Doberman with 12 cases (12.12%) and German Shepherd (GSD) with 5 cases (5.05%), Great Dane with 3 cases (3.03%) followed by Pug, Dachshund and Lhasa Apso 1 case each (1.01%) respectively. The gland-wise occurrence of canine mammary neoplasm was studied in 99 cases in which the incidence of neoplasm in right chain of mammary gland is 45% and in left mammary gland chain is 55%. Out of 96 bitches 57 cases (59.4%) shown single gland involvement, 22 cases (22.9%) shown involvement of 2 glands, 13 cases (13.5%) shown involvement of three glands and 5 cases (5.2%) shown involvement of 4 glands. In dogs all the 3 cases reported have single gland involvement. The most commonly affected pair of gland is inguinal mammary gland (41.7%), followed by caudal abdominal mammary gland (41.1%), caudal thoracic mammary gland (7.9%), cranial abdominal mammary gland (5.2%) and cranial thoracic mammary gland (4.3%) respectively. This study enlightens the sex-wise, breed-wise, age-wise and gland-wise epidemiology of canine mammary neoplasm which helps for a veterinary physician to diagnose and treat canine mammary neoplasm cases effectively.PresentationItem Open Access Retrospective studies on incidence of haemoprotozoan diseases in cattle over a period of nine years (2010-2019) in Chennai district, India.(2020-02) Chakravarthi, R; Alimudeen, S; Senthil, NR; Subapriya, S; et al.; TANUVASThe present work was based on retrospective study of 7,000 blood smears of cattle received over a period of nine years (2010 to 2019) in and around Chennai at Madras Veterinary College Teaching Hospital. On blood smear examination 3,072 blood smears were found to be positive for various Haemoprotozoan diseases. Among the recorded positive Haemoprotozoan diseases, the highest incidence was of Anaplasma sp. of 2016 cases (65.62%) followed by Theileria sp. with 888 cases (28.9%), Babesia bovis with 98 cases (3.19%), Trypanosoma sp. With 23 cases (0.74%), Microfilaria with 21 cases (0.68%), Pasturella sp. with 17 cases (0.55%) and Ehrlichia bovis with 9 cases (0.29%) Maximum number of cases were recorded during Monsoon season (August-November) with 1152 cases (37.5%) followed by 1029 cases (33.49%) during winter season (December-March) and 891 cases (29%) during Summer season (April-July) . The incidence rate of Haemoprotozoan diseases in Cattle remain almost the same during this time period around 12%.PresentationItem Open Access Retrospective studies on incidence of Haemoprotozoan diseases in dogs over a period of nine years (2010-2019) in Chennai district, India.(2020-02) Chakravarthi, R; Dinesh Reddy, Kamani; Senthil, NR; Subapriya, S; TANUVASThe present work was based on retrospective study of 11,000 blood smears of dogs received over a period of nine years (2010 to 2019) in and around Chennai at Madras Veterinary College Teaching Hospital. On blood smear examination 3,840 blood smears were found to be positive for various Haemoprotozoan diseases. Among the recorded positive Haemoprotozoan diseases, the highest incidence was of Ehrlichia canis of 2117 cases (51.45%) followed by Babesia gibsoni with 828 cases (20.12%), Hepatozoan canis with 433 cases (10.52%), Babesia canis with 372 cases (9.01%), Trypanosoma sp. With 49 cases (1.19%), Microfilaria with 36 cases (0.87%) and Mycoplasma sp. with 6 cases (0.14%) Maximum number of cases were recorded during Monsoon season (August-November) with 1354 cases (35.26%) followed by 1347 cases (35.07%) during Summer season (April-July) and 1139 cases (29.66%) during winter season (December-March). The incidence rate of Haemoprotozoan diseases in Canine increases during recent times 24.06% in 2019 when compared to 8.02% in 2011.ArticleItem Open Access Retrospective studies on tumor conditions in dogs over a period of four years (2014-2018)(2020) Senthil, NR; Chakravarthi, R; Vairamuthu, S; TANUVASThe present work was based on retrospective study of 386 biopsies of dogs received over a period of four years (2014 to 2018) in and around Chennai at Madras Veterinary College. The sex-wise distribution of tumor cases revealed higher incidence 226 cases (58%) in females and 162 (42%) in males. Maximum number of cases were 208 cases (53.8%) in the age group of 5-10 years followed by 90 cases (23.3%) in above 10 years and 89 cases (23.1%) in 0-5 years. The incidence rate were of Mammary gland Neoplasm (25.64%) followed by Transmissible Venereal Tumour (15.8%), Lymphoma (11.39%), Adenocarcinoma (11.39%), Perianal Adenoma (6.73%), Lipoma (6.47%), Mastocytoma (5.95%), Fibrosarcoma(3.88%), Squamous cell carcinoma (2.59%), Histiocytoma (2.33%), Melanoma (1.55%), Papilloma (1.29%), Hepatocellular Carcinoma (1.03%), Transition cell carcinoma (0.77%), Mesothelioma (0.77%), Osteosarcoma (0.77%), Sebaceous Adenoma(0.25%) and Blood Cell Carcinoma (0.25%).The incidence of neoplasms was highest in Non-descript Dogs (ND) (34.97%), Labrador retriever (25.91%), Spitz (15.28%), Doberman (7.25%) and German Shepherd (GSD) (3.89%) respectively.PresentationItem Open Access Retrospective studies on tumor conditions in dogs over a period of four years (2015-2018) in Chennai district, India(2020-02) Chakravarthi, R; Senthil, N; Subapriya, S; Vairamuthu, S; TANUVASThe present work was based on retrospective study of 386 biopsies of dogs received over a period of four years (2015 to 2018) in and around Chennai at Madras Veterinary College.The sex-wise distribution of tumorcases revealed higher incidence 226 cases (58%) in females and 162 (42%) in males. Maximum number of cases were 208 cases (53.8%) in the age group of 5-10 years followed by 90 cases (23.3%) in above 10 years and 89 cases (23.1%) in 0-5 years. The incidence rate were of Mammary gland Neoplasm (25.64%) followed by Transmissible Venereal Tumour (15.8%), Lymphoma (11.39%), Adenocarcinoma (11.39%), Perianal Adenoma (6.73%), Lipoma (6.47%), Mastocytoma(5.95%), Fibrosarcoma(3.88%), Squamous cell carcinoma (2.59%), Histiocytoma (2.33%), Melanoma(1.55%), Pappiloma(1.29%), Hepatocellular Carcinoma (1.03%), Transition cell carcinoma(0.77%), Mesothelioma(0.77%), Osteosarcoma(0.77%), Sebacious Adenoma (0.25%) and Blood Cell Carcinoma(0.25%).The incidence of neoplasms was highest in Non-descript Dogs (ND) (34.97%), Labrador retriever (25.91%), Spitz (15.28%), Doberman (7.25%) and German Shepherd (GSD) (3.89%) respectively.ArticleItem Open Access Temporal Distribution of Canine Babesiosis from 2010-19 in Chennai, India(2020) Senthil, NR; Chakravarthi, R; Vairamuthu, S; TANUVASCanine Babesiosis is the common vector-borne haemoprotozoan disease distributed all over the world. Two organisms are known to cause Canine Babesiosis in India: Babesia gibsoni and Babesia canis. The present work was based on retrospective study of 11,000 blood smears of dogs received over a period of nine years (2010 to 2019) in and around Chennai at Madras Veterinary College Teaching Hospital. On blood smear examination 3,840 blood smears were found to be positive for various Haemoprotozoan diseases. Among the recorded positive cases, 1187 (30.9%) cases were positive for Canine Babesiosis of which 837 cases (70.5%) were positive for Babesia gibsoni and 350 cases (29.5%) were positive for Babesia canis. The percentage change in occurrence of Babesia gibsoni in 2012 (-41.8%), 2013 (+36.9%), 2014 (-63.5%), 2015 (+34.8%), 2016 (+135.5%), 2017 (+87.7%), 2018 (+2.9%) and 2019 (73.1%). The percentage change in occurrence of Babesia canis in 2012 (-38.5%), 2013 (-12.5%), 2014 (+44%), 2015 (-20%), 2016 (-10%), 2017 (+172.2%), 2018 (+61.2%) and 2019 (30.4%). Season-wise occurrence of the disease recorded highest cases in winter (35%) followed by Monsoon (32.2%), Summer (21.6%) and Autumn (20.6%). The most frequent symptoms were fever, anorexia, apathy, abdominal pain, lymphadenopathy and dyspnoea. Regarding haematological alterations, 87.7% of the animals presented anemia, 73.5% presented thrombocytopenia, 43.4% presented leucopenia and 31.3% presented pancytopenia. Based on clinical presentation, generalised form (89%), cerebral form (7%) and Occular form (4%). The temporal distribution and symptom-wise study would help the veterinary physician to identify the trends in occurrence of disease and clinical pattern followed by the protozoa, which helps in treatment and control of Canine Babesiosis in dog population.