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Assam Agricultural University, Jorhat

Assam Agricultural University is the first institution of its kind in the whole of North-Eastern Region of India. The main goal of this institution is to produce globally competitive human resources in farm sectorand to carry out research in both conventional and frontier areas for production optimization as well as to disseminate the generated technologies as public good for benefitting the food growers/produces and traders involved in the sector while emphasizing on sustainability, equity and overall food security at household level. Genesis of AAU - The embryo of the agricultural research in the state of Assam was formed as early as 1897 with the establishment of the Upper Shillong Experimental Farm (now in Meghalaya) just after about a decade of creation of the agricultural department in 1882. However, the seeds of agricultural research in today’s Assam were sown in the dawn of the twentieth century with the establishment of two Rice Experimental Stations, one at Karimganj in Barak valley in 1913 and the other at Titabor in Brahmaputra valley in 1923. Subsequent to these research stations, a number of research stations were established to conduct research on important crops, more specifically, jute, pulses, oilseeds etc. The Assam Agricultural University was established on April 1, 1969 under The Assam Agricultural University Act, 1968’ with the mandate of imparting farm education, conduct research in agriculture and allied sciences and to effectively disseminate technologies so generated. Before establishment of the University, there were altogether 17 research schemes/projects in the state under the Department of Agriculture. By July 1973, all the research projects and 10 experimental farms were transferred by the Government of Assam to the AAU which already inherited the College of Agriculture and its farm at Barbheta, Jorhat and College of Veterinary Sciences at Khanapara, Guwahati. Subsequently, College of Community Science at Jorhat (1969), College of Fisheries at Raha (1988), Biswanath College of Agriculture at Biswanath Chariali (1988) and Lakhimpur College of Veterinary Science at Joyhing, North Lakhimpur (1988) were established. Presently, the University has three more colleges under its jurisdiction, viz., Sarat Chandra Singha College of Agriculture, Chapar, College of Horticulture, Nalbari & College of Sericulture, Titabar. Similarly, few more regional research stations at Shillongani, Diphu, Gossaigaon, Lakhimpur; and commodity research stations at Kahikuchi, Buralikson, Tinsukia, Kharua, Burnihat and Mandira were added to generate location and crop specific agricultural production packages.

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20172
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Subject: Veterinary Surgery and Radiology × End date: 2017 × Start date: 2017 × Type: Thesis ×
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    ThesisItemOpen Access
    ROMIFIDINE, ROMIFIDINE-KETAMINE AND ITS REVERSAL WITH ATIPAMEZOLE IN BOVINE
    (Assam Agricultural University, Khanapara, Guwahati, 2017-01) SARMA, BIRAJ KUMAR; Sarma, Bhupen
    Twenty four clinically affected bovine calves of either sex, weighing 100-150kgs were divided into four groups, containing of 6 calves in each group, where group-I received romifidine @ 20 µg/kg i.m., group-II received romifidine @ 40 µg/kg i.m., group-III received romifidine-ketamine (40µg/kg+2mg/kg) i.m., group-IV received atipamezole @ 40 µg/kg, i.V at 30 minutes following romifidine sedation. The induction time, duration and recovery time were 9.20±0.27, 78.50±4.47 and 101.67±2.58 minutes respectively in group-I, 7.83±0.34, 91.00±1.96 and 116.33±3.37 minutes respectively in group-II and 4.98±0.29, 101.50±1.58 and 126.17±3.21 minutes respectively in group-III. In group-IV, atipamezole reversed romifidine sedation in 1.07±0.38 minutes. Induction and recovery were smooth. Muscle relaxation and analgesia were good. Animals of all group exhibited signs of sedation with lowering of head, occasional bellowing, heavy upper eyelid (drowsiness), onset of salivation, reduced tail movement and signs of staggering. Polyurea was observed at recovery. Heart rate decreased significantly (P<0.05) in group-I, II and III. Respiration decreased significantly (P<0.05) and rectal temperature decreased non-significantly (P>0.05) in all the three groups. Respiratory tidal volume and Respiratory minute volume decreased significantly (P<0.05) in the group-I, II and III. MAP also decreased significantly (P<0.05) and SpO2 decreased non-significantly (P>0.05) in the group-I, II and III. Hb, PCV, TEC and ESR also decreased non-significantly (P>0.05) in group-I, II and III. Highly significant (P<0.01) increased of GGT in group-I, II and III and glucose, BUN and creatinine increased significantly (P<0.05) in all these three groups. Total protein decreased non-significantly (P>0.05) in group-I and II and decreased significantly (P<0.05) in group-III. Cortisol increased significantly (P<0.05) in all the four groups. Atipamezole effectively reversed the effects of romifidine and the values returned towards the pre-administration level within 15 minutes. Based on the findings of the study, romifidine –ketamine anaesthesia and its reversal by atipamezole can be suggested for use in clinically affected bovine calves.
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    ThesisItemOpen Access
    DIAGNOSTIC RADIOGRAPHY, ULTRASONOGRAPHY AND HAEMATOBIOCHEMICAL STUDIES OF ABDOMINAL AFFECTIONS IN CANINE
    (Assam Agricultural University, Khanapara, Guwahati, 2017-07) KONWAR, BEDANGA; KALITA, DWIJEN
    The study was conducted on 66 dogs of either sex, belonging to all age groups, brought to the Teaching Veterinary Clinical Complex, College of Veterinary Sciences and Animal Husbandry, Central Agricultural University, Selesih, Aizawl, Mizoram with the history and clinical symptoms of abdominal disorders. The study was undertaken to correlate the findings of clinico-physiological, haemato-biochemical, radiographic and ultrasonographic studies for confirmatory diagnosis of disorders of gastro-intestinal, hepatobiliary, hematopoietic (spleen), urinary, female and male genital systems and abdominal wall defects in canine. All the animals were divided into seven groups as per the symptoms related to the systems: Group I (Gastrointestinal system), Group II (Hepatobiliary system), Group III (Hematopoietic (Spleen) system), Group IV (Urinary system), Group V (Female genital system), Group VI (Male genital system) and Group VII (Miscellaneous conditions). Animals were subjected for thorough linicophysiological and haemato-biochemical examinations. Two abdominal radiographs (Lateral and ventro-dorsal views) and whole abdomen ultrasonography were carried out for all the dogs. Out of the 66 cases, group distribution for the abdominal disorders were recorded highest with gastrointestinal system (33.33%), followed by female genital system (18.18%), hepatobiliary system (13.64%), urinary system (12.12%), haematopoietic (spleen) system (10.61%), male genital system (9.09%) and the lowest with abdominal wall defects (3.03%). Breed distributions were recorded highest in Mixed breed dogs (40.91%), followed by Pomeranian (25.76%), Mongrel (22.73%), German shepherd (6.06%), Cocker Spaniel (1.51%) and Pug (1.51%) respectively. Females (54.55%) were recorded highest incidence than male (45.45%). Age wise distribution were recorded highest in 2-3 and 3-4 years of age (18.18 %), followed by 4-5 years (15.15%), 5-6 years (13.64%), 0-1 years (9.10%), 1-2 years (7.57%), 6-7 and 7-8 years with 4.55% and lowest in 8-9, 9-10 and 10 years and above with 3.03% respectively. There were inconsistent and misleading clinico-physiological findings in disorders of gastro intestinal system, hepatobiliary system and splenic abnormality. In urinary system disorders, canine pyometra, abdominal wall rupture and diaphragmatic hernia, the clinico- physiological findings were useful. But, in male genital system disorders, the clinico-physiological symptoms often coincide with those of urinary system disorders. Haemato-biochemical examinations were recorded with significantly decreased Hb, PCV and TEC with leucocytosis and neutrophilia in all the cases of abdominal disorders. There was significantly decreased Na, K, TP and ALB with elevated ALP, BUN and SC for GIT disorders. In hepatobiliary disorders there were significantly decreased TP, ALB and GLU with significantly increased AST, ALT, ALP, GGT and total bilirubin. Significantly decreased TP, GLU and significantly increased AST, ALP, BUN, GGT and SC were recorded for splenic disorders. Urinary system disorders were recorded as significantly decreased Na with elevated BUN, SC and Ca level. Female genital system disorders were recorded as significantly decreased TP, ALB, with severe leucocytosis, neutrophilia and significantly increased AST, ALT, ALP, BUN, GGT and SC level. Prostatic hyperplasia and cysts were recorded as significantly decreased TP, ALB with significantly increased ALP, BUN and SC. Both radiography and ultrasonography was helpful for diagnosis of gastro intestinal disorders. The ultrasonography was a sensitive imaging technique for diagnosing hepatic affections; however, the sonographic diagnosis should be complimented with radiography and clinico-haematobiochemical studies. Radiography was useful for gross assessment of spleenic enlargement but it did not give the final diagnosis, while ultrasonography could be best exploited in spleenic disorders. For diagnosing urinary system disorders clinico-physiological symptoms, haematobiochemical profiles, radiography and ultrasonography were proved to be helpful. Pyometra was best diagnosed with ultrasonography and radiography. Radiography gave only a basic idea about prostatomegaly, while ultrasonography was more precise diagnostic tool, especially in examination of architecture of the prostate gland. For diagnosis of abdominal wall rupture and diaphragmatic hernia radiography was confirmative, but ultrasonography was felt appropriate to differentiate the hernial contents.