feeding dairy cows Flashcards

1
Q

cows get most of their energy through the rumen wall by absorbing volatile fatty acids produced by

A

bacterial fermentation of the feed.

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2
Q

a majority of the cows protein needs are supplied by

A

microbial protein as result of growth of bacterial mass in the rumen

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3
Q

a feeding program must include:

A

nutrient needs, available feed, feed delivery system, annd the operation of the dairy as a whole.

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4
Q

early lactation

A

increasing drymatter intake, avail rumen acidosis
requires protein
7-70 days

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5
Q

peak production

A

max dry matter intake
high energy density, high protein, high bypass protein
70-140 days

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6
Q

mid-llate lactation

A

nutrient intake restores body condition lostin early lactation
140-end

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7
Q

dry period

A

higher forage
low enerrgy density
low calcium, acidifying diet
excersize

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