00:01
Hello students, here we have multiple questions to answer.
00:04
We will answer it one by one.
00:06
The first one is to calculate number of 1000 lb cows that can be supported by the range.
00:12
We need to determine the available forage and the forage requirement of each cow and they have given that the range size is equals to about 75 ,000 acres and average production of key species is equals to 1300 lb per acre of dry matter per year.
00:28
Here first we need to calculate the total forage production on the range.
00:31
For that the calculation is the total forage production is equals to range size that is 75 ,000 acres into average production per acre that is 1300.
00:46
So the value is equals to 97500000.
00:53
This is the value and this is the unit.
00:58
Next we can calculate the forage requirement per cow.
01:02
Forage requirement per cow is equals to cow weight into forage intake per unit of body weight that is equals to the value is 1000 into 0 .03 assuming 3 % of the body weight as forage intake.
01:20
Forage requirement per cow is equals to 30.
01:24
Finally we determine the number of cows that can be supported that is number of cows is equals to total forage production divided by forage requirement per cow...