The invention relates to a novel method for predicting the quality of the flesh and for selecting on the basis of flesh quality by using the determination of the fibrinolytic activity. According to the method of the invention, the fibrinolytic activity is measured in the fresh blood taken from the livestock, the lysis percentage is determined therefrom, then the animals showing a lysis percentage lower than a threshold value, depending on the species and variety of the animal, are bred further, whereas the animals showing a lysis percentage higher than this threshold value are at once or gradually excluded from the breeding.
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