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Year 2014 - Volume 34, Number 11
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Elimination of the tremorgenic toxin of Ipomoea asarifolia by milk, 34(11):1085-1088
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ABSTRACT.- Lopes J.R.G., Riet-Correa F., Cook D., Pfister J.A. & Medeiros R.M.T. 2014. Elimination of the tremorgenic toxin of Ipomoea asarifolia by milk. Pesquisa Veterinária Brasileira 34(11):1085-1088. Hospital Veterinário, Centro de Saúde e Tecnologia Rural, Universidade Federal de Campina Grande, Patos, PB. 58708-110, Brazil. E-mail: rmtmed@uol.com.br
With the aim to determine if the tremorgenic toxin of Ipomoea asarifolia is eliminated in milk, three groups of Swiss female mice received, immediately after giving birth until weaning, a ration containing 20% or 30% of dry I. asarifolia. All the offspring of the females that received 20% or 30% I. asarifolia showed tremors 2-4 days after birth. The offspring of the females that received 20% I. asarifolia recovered 4-7 days after weaning. The offspring of the females that received 30% of the plant in the ration died while showing tremors before weaning or up to two days after weaning. It is concluded that the tremorgenic compound of I. asarifolia or its toxic metabolites are eliminated in milk, and that lactating mice may be used as a model for the determination of the toxic compound(s) in this plant. |
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