Which of the following breeds is known for having large framed body and high milk production?
A) Jersey
B) Ayrshire
C) Holstein
D) Brown Swiss
It has been a hot summer in Wisconsin. The average temperature for the last month and a half has been 80-85 degrees F with relatively high humidity. Your herd of holstein cows have decreased their overall milk production by about 1500 pounds over the last 4 milkings. This trend was evident prior to this large drop, but at smaller intervals for several weeks. This weather is going to continue for the next several weeks. Which of the following options would you implement to try and increase milk production during the heat spell?
A) feed lower amounts of feed during the day and more during the evening when the temperatures drop
B) allow them to stay on the "cow floor" where their is adequate shade and water
C) increase the amount of roughage in the diet in order to increase ruminal fermentation
D) only A and C
E) only A and B
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