Publications by authors named "Birgit Opitz"

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Estimation of iodine status in cats.
Dietmar Ranz, Mark Tetrick, Birgit Opitz, Ellen Kienzle, Walter Anton Rambeck

J Nutr· June 2002

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Serum response of ponies to beta-carotene fed by grass meal or a synthetic beadlet preparation with and without added dietary fat.
Ellen Kienzle, Christine Kaden, Peter P Hoppe, Birgit Opitz

J Nutr· June 2002

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Interactions between the apparent energy and nutrient digestibilities of a concentrate mixture and roughages in horses.
Ellen Kienzle, Sabine Fehrle, Birgit Opitz

J Nutr· June 2002

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Calculation of gross energy in pet foods: do we have the right values for heat of combustion?
Ellen Kienzle, Irene Schrag, Richard Butterwick, Birgit Opitz

J Nutr· June 2002

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