Pulmonary gas exchange in heifers and milk productivity of firstborn cows of the Simmental breed of the precarpathians of different constitution types
Study of pulmonary gas exchange in heifers, milk productivity of Simmental firstborns of the Prykarpattia breed, to the physiological and selection index developed by us. Assessment of milk productivity in wide-bodied and narrow-bodied first-born cows.
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