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Feeding Dairy Cattle Questions and Answers
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Feeding Dairy Cattle Questions and Answers What kind of animals are dairy cattle ruminant major differences between feeding dairy cattle and feeding beef cattle from dairy cattle we want high milk production the beef cattle lives all year long to produce one healthy calfe and for that ...

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  • September 8, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • feeding dairy cattle questions and answers
  • what kind of animals are dairy cattle ruminant
  • major differences between feeding dairy cattle and

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Feeding Dairy Cattle Questions and
Answers
What kind of animals are dairy cattle - answer ruminant

major differences between feeding dairy cattle and feeding beef cattle - answer from
dairy cattle we want high milk production

the beef cattle lives all year long to produce one healthy calfe and for that calf to grow
until its weaned

but with dairy cattle we milk the cow nearly year long so the dairy cow has much higher
needs for better feeds and much higher nutrients

Several breeds of dairy cattle but - answer but most of the dairy cattle in the US are
holstein dairy cattle

holstein dairy cattle - answer large, black, and white, 1400-1600 lbs

95-96% of the dairy cattle are this breed in the US because they produce more milk
compared to other breeds

other breeds produced milk of different composition that contains more milk fat

Dairy cow selected for - answer tremendous productivity

average production of DHI (Dairy Herd Improvement) cows - answer > 18,000 lbs of
milk per year

Dairy Herd Improvement Association - answer is available for farmers to participate
and subscribe to, and purchase surfaces from

help dairymen manage their dairy operations

Many good herds produce - answer >25,000 lbs of milk per cow per year

Record setting cows produce - answer 67,914 lbs of milk per year

Cycle of a dairy cow - answer 1 year has 365 days

a cow can milk for various lengths of time (for 400-500 days), but it is more productive if
refreshened

,much better if cow is dried off, allowed to have another calf, and come into milk
production again
- this is called freshening (when she comes into a calf)

365-60 = 305 days
- allow 60 days off for good behavior
- allow for body condition to get back in shape
- allow for mammary gland to stop producing and get ready to start producing again

305 day (average) adjusted lactation for comparisons of cows (except record setters)
- that would have each cow produce one calf per year

Feeding the high producing Dairy cow is a great challenge why? - answer Great
challenge bc if the cow doesn't have the genetic potential to produce as much milk then
the challenge is easier to feed the cow but the principles remain the same

Feeding the high producing Dairy cow requires great amounts of energy why - answer
milk has milk sugar and milk fat

if they give a lot of milk they have a very large energy drain so they need a lot of feed
and energy

Feeding the high producing Dairy Cattle requires a lot of grain - answer but you can't
just continue to increase the grain in the diet without any forage

Feeding the high producing Dairy is restricted in - answer the amount of grain

thumb rule: no more than 60% of ration can be concentrates (40% forages)

most good dairy rations will be in the range from 40% concentrate and 60% forages to
60% concentrate and 40% forages

For good producing average cows a ration of 50-50 works pretty well

Dynamics of what's going on in the dairy cow --- very large - answer cow has a calf
and begins to lactate (tremendous body changes)

cow goes from dry (producing no milk)

calves and comes into milk at high levels

creates a need for lots of energy

she might not be able to eat enough feed to meet the energy need

, reminder: should not change diet drastically for any ruminant animal .THEY ALWAYS
NEED TIME TO ACCOMODATE

at the time that the cow calves her feed intake may fall off - right when an animal has a
baby they have a low appetite but milk production begins anyway

6 weeks after calving she is at the peak lactation

feed intake lags but will catch eventually cow uses body stores initially, lose some body
condition, use fat storage she has... do not want her using fat storage too much or she
will get ketosis

feed the cow a higher nutritional plane when her needs are high

when she is milking less we will cut back some on concentrate and feed lower percent
protein

when she is dry we won't feed her as much grain or protein but we won't drastically
change everything

will not switch from good quality feeds to low quality feeds

will not feed crop residue feeds anytime in production phase because she needs good
quality feeds so she will eat a lot and get a lot of nutrition from it

Feeding Dairy Cattle - forage portion - answer the foundation of a good diet is quality
forage

forage alone can't meet the energy needs for lactation

BUT quality forage can stimulate feed intake and dry matter intake is crucial

DM intake is crucial

good quality forage can contribute to needed protein

milk production potential of forages

The foundation of a good diet is quality forage why? - answer needs a lot of protein -
good if forage provides a lot of that so we don't have to buy as much SBM

needs a certain level of forage in the diet to keep rumen functioning well and to keep
her from getting acidosis

Needs to be palatable because we want her to eat a tremendous amount of feed, easily
2x as much a beef cattle would

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