milk. high yield dairy cows don't get enough energy, proteins and vitamins from basic ration for its high production. they need to be supplemented with feed made out of cereals and protein feed like soya meal, sunflower seed meal, rape seed meal, cucurbit seed meal, etc, that don't contain enough vitamins...
milk. high yield dairy cows don't get enough energy, proteins and vitamins from basic ration for its high production. they need to be supplemented with feed made out of cereals and protein feed like soya meal, sunflower seed meal, rape seed meal, cucurbit seed meal, etc, that don't contain enough vitamins...
milk. high yield dairy cows don't get enough energy, proteins and vitamins from basic ration for its high production. they need to be supplemented with feed made out of cereals and protein feed like soya meal, sunflower seed meal, rape seed meal, cucurbit seed meal, etc, that don't contain enough vitamins...