1504
Comparison of milk components before and after passing through a novel inline milk filter
The UV Milk Filter (GERA Ltd., Voronezh, Russia) is a new inline filter designed to help remove foreign matter and abnormalities in milk. UV Milk Filters are different from standard single-ply polyester fabric because they are spindle woven, making them thicker than the industry standard. The objective of this study was to determine if passing milk through the UV Milk Filter changed milk fat, protein, lactose, solids, or SCC. Samples were collected at the University of Kentucky Coldstream Dairy between November 30, 2013 and December 10, 2013. Before each milking, a new UV Milk Filter was placed in the filter holder within the pipeline. When milking was completed, 3, 90 mL samples were collected from 2 different points: (1) at the receiver jar, before the milk had gone through the filter and (2) at the point the milk enters the bulk tank, after the milk from the receiver jar had passed through the filter. Therefore, a total of 6 samples were collected at each milking for 20 milkings (n = 120). Mean fat, protein, lactose, solids, and SCC were calculated for each milking (n = 20). The GLM procedure of SAS (Cary, NC) was used to determine the effects of the UV Milk Filter on milk component averages taken before and after milk had passed through the filter. Results are depicted in Table 1. The results show that the UV Milk Filter can successfully filter milk without changing its composition.
Table 1. Milk component averages and corresponding P-values for the differences in milk before and after it had passed through the UV Milk Filter.
Component |
Treatment |
P-value |
|
Before Filter |
After Filter |
||
Fat |
4.48% |
4.43% |
0.84 |
Protein |
3.09% |
3.12% |
0.64 |
Lactose |
4.90% |
4.91% |
0.91 |
Solids |
8.93% |
8.96% |
0.53 |
SCS |
3.30 |
3.43 |
0.75 |
Keywords: UV Milk Filter, milk composition