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Effects of three different concentrate proportions and rapeseed meal supplement to grass silage on animal performance of dairy-breed bulls with TMR feeding

Animal PhysiologyNutritionAnimal PerformanceMeal SupplementFeed UtilizationAnimal NutritionAnimal ScienceAgricultural EconomicsFeed IntakeEducationFeed EvaluationFeed AdditiveAnimal FeedPublic HealthDairy-breed Bulls