FLUCTUATIONS OF MILK YIELD WITH ADVANCEMENT OF LACTATION 201
TABLE I.
Showing the season of calvings in Montgomery cows.
|
Months |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
Total |
|
No. of calvings |
160 |
141 |
138 |
127 |
116 |
111 |
109 |
122 |
111 |
109 |
142 |
167 |
1,553 |
|
Percentage |
10.3 |
9.1 |
8.9 |
8.2 |
7.5 |
7.2 |
7.0 |
7.8 |
7.2 |
7.0 |
9.1 |
10.8 |
|
|
Rank with respect to |
II |
III |
IV |
V |
VII |
VIII |
IX |
VI |
VIII |
IX |
III |
I |
|
|
calving. |
|||||||||||||
It would appear from the above Table that the distribution of calvings is fairly
uniform throughout the year. The variations are from 7.0 to 10.8 per cent.
Fig. 1 gives a comparative view of the percentage of calvings in different months
of the year.
Fig. 1. Showing percentage distribution of calvings in Montgomery cows.