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1 August 2013 Experimental Vaginal Infection of Goats with Semen Contaminated with the “CPG” Strain of Toxoplasma gondii
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Abstract
The objective was to characterize the transmission of Toxoplasma gondii in goats experimentally infected vaginally with semen contaminated with the CPG strain (genotype III). Ten female goats were randomly allocated into 2 groups (G1 and G2), each with 5 animals, and inseminated during estrus. Goats in G1 were inseminated with semen containing 1 × 105 tachyzoites, whereas those in G2 (control) were inseminated with semen free from tachyzoites (insemination = day 0). In G1, seroconversion (indirect immunofluorescence reaction) and DNA (polymerase chain reaction) in the blood was present in 4/5 and 3/5, respectively, from the 7th day. In G2, all goats were negative in all tests. Embryonic reabsorption occurred in 4 of 5 goats from G1 between days 21 and 49. In conclusion, artificial vaginal insemination with semen containing tachyzoites of T. gondii–infected goats and is a potential transmission route of this parasite through semen.
Flaviana Santos Wanderley, Wagnner José Nascimento Porto, Diogo Ribeiro Câmara, Nadine Louise Nicolau da Cruz, Bruna Catarina de Oliveira Feitosa, Roberta Lemos Freire, Érica Paes Barreto Xavier de Moraes and Rinaldo Aparecido Mota "Experimental Vaginal Infection of Goats with Semen Contaminated with the “CPG” Strain of Toxoplasma gondii," Journal of Parasitology 99(4), (1 August 2013). https://doi.org/10.1645/12-126.1
Received: 29 October 2012; Accepted: 1 February 2013; Published: 1 August 2013
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