FIELD: feed industry.
SUBSTANCE: invention relates to the field of agriculture, in particular to a method for increasing digestibility of nutrient components of fodder in the digestive tract of calves. Method is characterized by fact that 8-9-month-old calves are fed feed stuff with ultrafine particles of Fe with size of 90 nm in dosage of 2.4 mg per head once day for 14 days.
EFFECT: use of the invention will make it possible to increase body weight gain in calves.
1 cl, 2 dwg
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