Deck 9 Flashcards
Use of concentrates in daily ration of young bulls is
necessary all the time
Recommended dry matter ratio from forage and concentrate in 2nd phase of lactation is
70:30
The microorganisms in the rumen use urea as
a source of nitrogen to synthesise amino acids
Composition of colostrum
is changed after 24hrs and concentrations of majority of nutrients will decrease
In the period of breeding is necessary to supplement the daily ration of breeding bulls by
protein supplement
Dairy cow will reach the peak of dry matter intake in
second 70 days of lactation
In what age will be finish development of mammary gland in heifer
9 months
Level of nutrition in 3rd phase of lactation is
high, average 1.5 - 2 x of maintenance
Recommended protein concentration in dry matter of daily ration of lactating cows in 3rd phase of lactation is
10-13%
In daily ration of lactating cows in summer season are used the following forages
preferentially fresh forage supplemented by preserved forage