IntroductionIntentional and accidental poisoning of animals is often caused by readily available commercial pesticides, such as the molluscicide metaldehyde. A retrospective analysis of suspected metaldehyde poisonings between 2014 and 2016 in Italy was conducted.Material and MethodsBiological matrices were collected for toxicological analyses in the course of routine Institute activity. A total of 183 organs from dogs and cats and 49 pieces of bait, here specifically poisoned food used to lure animals, were analysed and the presence of metaldehyde was confirmed by gas chromatography coupled to mass spectrometry (GC/MS).ResultsA high content of metaldehyde was demonstrated in the analysed samples from dogs and cats: 50 (27.3%) animals were found positive for metaldehyde intoxication together with 17 pieces of bait.ConclusionThe study emphasised the need for the control of metaldehyde use by the veterinary service.
The zoonotic filarioid nematode Dirofilaria immitis is transmitted by bloodsucking mosquitoes and causes heartworm disease in dogs and wild canines. In the last decade, D. immitis has spread in southern Europe including Italy. Few autochthonous foci of infection have been reported in previously non-endemic areas of southern Italy based only on the identification of microfilariae, antigen and serological tests, and polymerase chain reaction assay from both the blood of dogs and mosquito vectors with no description of cases of heartworm disease in both domestic and wild canines. Here, we report first on two cases of heartworm disease found at post-mortem examination in two roaming dogs from the urban area of Castel Volturno in Campania region of southern Italy. Immunological analyses of 11 roaming dogs from the same pack of those two submitted for necropsy and available necropsy data from the dogs recovered from the Campania region along the past 10 years were both negative for D. immitis infection. Although rare in southern Italy, these two cases are noteworthy because D. immitis may cause serious human infection. We highlight the need to identify the mosquito vectors of heartworm disease in this area using sensitive molecular assay for D. immitis DNA for predicting and controlling the spread of infection. We strongly recommend the control and systematic treatment of the domestic and roaming dogs that could constitute the most important infection reservoir.
A case of Mycobacterium tuberculosis infection is described in a dead adult male dog in Southern Italy. The carcass was found by the Health Authority in a gypsy encampment. It was admitted to our forensic veterinary medicine unit, with a suspicion of cruelty to the animal. Necropsy showed beating and traumatism signs, and mistreating was confirmed. Gross lesions included multiple nodular hepatic lesions, hemorrhagic enteritis with enlarged mesenteric lymph nodes, body cavity effusions, and an adrenal neoplasm. Bacteriological and molecular analyses were carried out on the liver lesions that enabled to identify M. tuberculosis SIT42 (LAM9). Drug-resistance patterns were evaluated by screening mutations on the rpoB and katG genes that showed susceptibility to both rifampin and isoniazid, respectively. Very few studies report canine tuberculosis, and little is known about the disease in Italy. To the authors' knowledge, this is the first report of Mycobacterium tuberculosis SIT42 infection in a dog in Italy.
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