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Chromosome analyses in dairy cows exposed to dioxins and dioxin-like PCBs using the SCE test

Leopoldo Iannuzzi, Angela Perucatti, Viviana Genualdo, Domenico Incarnato, Vincenzo Peretti, Roberto Rasero, Carlo Nebbia, Giulia Pia Di Meo
DOI: 10.4081/ijas.2009.s2.93 | Published: 2010-01-05 17:01:36 | Views: 310
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Abstract


Peripheral blood cultures were performed to study the sister chromatid exchanges (SCE) in samples from 15 cows (Valdostana x Piedmontese crossbreds) showing average milk values of dioxins+furans+PCBs higher (18.56 pg/g of fat as WHO-TEQ) than those permitted (6.0 pg/g of dioxins+furans+PCBs as WHO-TEQ) and the results were compared with samples from 16 Valdostana dairy cows (1.75 pg/g of fat as WHO-TEQ) used as control. Significant (P<0.01) higher mean number of SCE/cell (7.10±2.8) were found in cows showing higher levels of dioxins and PCB compared to those achieved in the controls (SCE/cell=5.24±2.51).

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the Italian Journal of Animal Science [eISSN 1828-051X] is the official journal of the Animal Science and Production Association and it is published by PAGEPress®, Pavia, Italy. Reg. Pavia, n. 2/2010-INF. All credits and honors to PKP for their OJS.