FLUCTUATIONS OF MILK YIELD WITH ADVANCEMENT OF LACTATION 203
Showing the average monthly milk yield of Montgomery cows in different lactations.
1st |
2nd lactation |
3rd |
4th |
5th |
6th lactation |
7th |
8th |
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Months |
Milk |
No. of cases |
Milk |
No. of cases |
Milk |
No. of cases |
Milk |
No. of cases |
Milk |
No. of cases |
Milk |
No. of cases |
Milk |
No. of cases |
Milk |
No. of cases |
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1 |
. |
. |
183(13)*105 |
273 (15) 83 |
336 (16) 62 |
342 (15) 57 |
361 (16) 38 |
290 (13) 25 |
336 (16) 17 |
340 (17) 10 |
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2 |
. |
. |
398 |
105 |
544 |
83 |
629 |
62 |
667 |
57 |
666 |
38 |
596 |
25 |
613 |
17 |
587 |
10 |
3 |
. |
. |
366 |
105 |
464 |
83 |
561 |
62 |
597 |
57 |
607 |
38 |
526 |
25 |
544 |
17 |
531 |
10 |
4 |
. |
. |
331 |
105 |
393 |
83 |
491 |
62 |
522 |
57 |
537 |
38 |
452 |
25 |
489 |
17 |
454 |
10 |
5 |
. |
. |
308 |
105 |
336 |
83 |
431 |
62 |
453 |
57 |
466 |
38 |
416 |
25 |
450 |
17 |
431 |
10 |
6 |
. |
. |
287 |
104 |
298 |
82 |
376 |
62 |
411 |
56 |
420 |
37 |
388 |
24 |
394 |
17 |
384 |
10 |
7 |
. |
. |
267 |
102 |
275 |
77 |
326 |
62 |
358 |
56 |
365 |
37 |
325 |
24 |
337 |
17 |
338 |
10 |
8 |
. |
. |
254 |
98 |
254 |
72 |
293 |
58 |
301 |
56 |
316 |
34 |
286 |
23 |
315 |
17 |
308 |
10 |
9 |
. |
. |
239 |
93 |
241 |
65 |
258 |
55 |
265 |
51 |
288 |
31 |
265 |
22 |
274 |
16 |
303 |
9 |
10 |
. |
. |
217 |
87 |
220 |
58 |
223 |
51 |
229 |
45 |
240 |
27 |
207 |
20 |
242 |
16 |
218 |
9 |
11 |
. |
. |
125 |
75 |
115 |
50 |
94 |
41 |
130 |
36 |
120 |
19 |
100 |
15 |
82 |
12 |
242 |
4 |
TOTAL |
2,975 |
3,413 |
4,018 |
4,275 |
4,386 |
3,851 |
4,076 |
4,136 |
* Figures in brackets show the number of days, for which the animals' first month's yield was recorded during the first month of calving.