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Technical annual report 2000-01



Technical annual report 2000-01


Dept. of Regional Development, Primary Industry, Fisheries and Resources technical annual report; Department of Regional Development, Primary Industry, Fisheries and Resources technical and annual report; Reports; PublicationNT; Technical bulletin (Northern Territory. Dept. of Primary Industry and Fisheries) ; no. 295




Made available via the Publications (Legal Deposit) Act 2004 (NT).






Agriculture -- Northern Territory -- Periodicals; Fisheries -- Northern Territory -- Periodicals

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Dept. of Primary Industry and Fisheries

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Technical bulletin (Northern Territory. Dept. of Primary Industry and Fisheries) ; no. 295



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Department of Primary Industry and Fisheries 94 SUBPROGRAM: Diagnostic Pathology PROJECT: Diagnostic Pathology Project Officers: A. Janmaat, J. Humphrey (50%), L. Melville (25%), H. Parkes, K. Fomiatti (50%), L. Small (60%), G. Paterson, L. Chambers, N. Jolliffe, M. Mahoney, S. Benedict, D. Cumberland, R. Wilson, N. Cox, C. Day, S. Auman and N. Elliot Location: Berrimah Veterinary Laboratories, Berrimah Farm Objective: To provide a quality assured veterinary pathology service to support diagnostic, regulatory and research programs in livestock health and production. The sub-program is divided into gross pathology, histopathology, bacteriology, parasitology, serology, clinical chemistry, haematology, cytology and urinalysis - the last four are under the heading of clinical pathology. Water microbiology is a section of the pathology area. It has a unique (non-veterinary) client base. Gross Pathology: Submissions 228 The activities of this section consist of post-mortem examinations of cadavers and gross examination of pieces of organs and tissues. The range of species is large. Aquaculture submissions consisted of 51 for finfish, 13 for crustaceans and 18 for molluscs, and accounted for 36% of total submissions. Other frequent submissions included 25 for pigs, 17 for goats, 15 for poultry, 12 for cattle, 12 for crocodiles and 11 for dogs. Melioidosis, a disease caused by the bacterium Burkholderia pseudomallei, is common in the Darwin area. It was diagnosed in goats, pigs, a cat, a parrot, a monkey and a puma. Necrotic enteritis and chronic peritonitis were a recurring problem in cultured barramundi. Botulism in birds is commonly diagnosed based on clinical signs and in the absence of post-mortem abnormalities. The disease is confirmation by the mouse toxin protection test. Leptospirosis in dogs was again detected in the Darwin area. Histopathology: Submissions 546 Of the total submissions, 29 were for cattle under the tuberculosis freedom assurance program (TFAP) either as lesions from reactors or as lesions collected at abattoirs under the national granuloma submission program (NGSP). The brains of 20 cattle were examined as an ongoing NT contribution to the NTSESP (national transmissible spongiform encephalopathy surveillance program). This program is designed to demonstrate freedom from BSE and scrapie, and to provide an early detection should these diseases occur. Acute, massive hepatic and renal necrosis consistent with a toxic invasion was observed in animals at a cattle station in the Katherine region. Over a period of two to three weeks, 8% of animals died. Skin lesions in crocodiles were consistent with Dermatophilus sp infection. The storage disease neuronal ceroid-lipfuscinosis was diagnosed in a dog. The dog showed neurological signs such as changed behaviour due to storage of ceroid and lipofuscin in nerve cells of the brain. This section joined the QDPI and NRDAP (national registry of domestic animal pathology) histology quality assurance programs in March.