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the difference was significant on one test day (Figure 4). Fat and protein corrected milk
followed a similar pattern but none of the test day values were significantly different between
light treatments (Figure 5).
Figure 2: Mean test day fat percentage of SDPP and LDPP treatments during the trial period.
Number of ewes in each treatment for each test:
Milk fat (%)
6.5
DIM 6 13 20 27 34 41 48 55
SDPP 11 11 11 11 11 11 10 7
LDPP 11 11 11 10 10 9 9 8
6
5.5
5
4.5
Figure 3: Mean test day protein percentage of SDPP and LDPP treatments during the trial
period. Number of ewes in each treatment for each test:
DIM 6 13 20 27 34 41 48 55
SDPP 11 11 11 11 11 11 10 7
LDPP 11 11 11 10 10 9 9 8
Protein (%)
5.5
5
4.5
4
3.5
** * *
6 13 20 27 34 41 48 55
Average days in milk
* Least squares means within a test day are different (P < 0.1).
** Least squares means within a test day are different (P < 0.01).
6 13 20 27 34 41 48 55
Average days in milk
* Least squares means within a test day are different (P < 0.01).
*
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SDPP
LDPP
SDPP
LDPP