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The objective of the studies was to determine the content of tin in dog and cat feeds conserved in metal packaging and available in retail trade in Poland in 1995. Tin concentration in home feeds ranged from 0.003 to 0.0269 mg/kg of fresh mass. The lowest level of this element was found in As feed, the highest in Dogland beef feed. Foreign fodder for dogs contained this metal at a concentration from...
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