Dairy Nutrition

Question 1

What is the most important intake for dairy cows

Answer 1

Dry Matter Intake

Question 2

Rank Nutrients in order of importance
Energy( CHO,Fats), DMI, Fibre, Protein, Macominerals, Tracelements

Answer 2

DMI
Energy
Protein
Fibre
Macrominerals
Trace elements

Question 3

Main source of protein in cows

Answer 3

Bacteria in rumen (Amino acids)

Question 3

Pros of high DMI intake

Answer 3

Higher performance
Lower nutrient density rations
Improved rumen health
Lower cost per unit
Increased use of forage
Significant cost savings

Question 3

List some Areas reviewed under bunk management

Answer 3

Animal grouping
Physical facilities
The Environment
Mixing of feed
Physical nature of the feed
Timing and frequency of feeding
Management of the feed face
Feed quality
Feed palatability
Feed stability

Question 4

How important is water with regards to DMI

Answer 4

A 40% reduction in water intake can bring a 16% to 24% decline in the intake of ration dry matter.

Question 5

Heifer Management

Answer 5

Heifers are generally the smallest and most subordinate animals in a herd and therefore the most obvious group to be susceptible to the stress of group changes and bullying.

Question 6

When is the right time to mix (Post partum and heifers that have given birth awhile ago)

Answer 6

Ideally: second lactation!

Question 7

Ideal surfaces for food to be placed on

Answer 7

Smooth surface
Light coloured
Well lit
Can use tiles

Question 8

factors that may affect dry matter intake on farm

Answer 8

Social grouping – heifers with cows
Mixing of animal
Availability of water
Water quality
Environment – light and air
Feed space