Thelazia rhodesi in a dairy farm in Romania and successful treatment using eprinomectin |
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Institution: | 1. Nikookari Eye Center, Tabriz University of Medical Sciences, Tabriz, Iran;2. Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran;3. Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran;4. Department of Parasitology and Mycology, Medical Faculty, Shahid Beheshti University of Medical Sciences, Tehran, Iran;1. Department of Paraclinical Studies, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Locked Bag 36, Pengkalan Chepa, 16100 Kota Bharu, Kelantan, Malaysia;2. Department of Clinical Studies, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Locked Bag 36, Pengkalan Chepa, 16100 Kota Bharu, Kelantan, Malaysia |
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Abstract: | Bovine thelaziosis can be caused by Thelazia rhodesi Desmarest 1828, Thelazia gulosa Railliet & Henry 1910 and Thelazia skrjabini Erschow 1928 which are known to be transmitted by species of Muscidae. Therapeutic measures in cattle include mechanical removal of the adult parasites, followed by irrigation of the conjunctival sac with different solutions such as levamisole (1%) or administration of ivermectin (0.2 mg/kg SC), doramectin (0.2 mg/kg SC or pour-on) both with high efficacy, however, the use of such macrocyclic lactones can be problematic in lactating cattle. Nematodes harboured in the eyes of some cattle from Romania were morphologically identified as Thelazia rhodesi and the PCR analysis confirmed the diagnosis with a 98.0% nucleotide similarity for ITS1 sequence, with other sequences available in GenBank. The present paper reports the presence of T. rhodesi in cattle from a dairy farm in Romania and the recovery after treatment with eprinomectin. To the best of our knowledge this is the first report on the efficacy of eprinomectin against Thelazia spp. and the first molecular confirmation of T. rhodesi in Romania. |
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