Acta Vet. Brno 1987, 56: 409-416

https://doi.org/10.2754/avb198756040409

Ammonia Concentration in Urine of Dairy Cows in Different Phases of Calving Interval

M. Lebeda, Zdena Urbánková

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  • ISSN 0001-7213 (printed)
  • ISSN 1801-7576 (electronic)

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