Raw milk quality: Farmers' loss due to price deduction and rejection of raw milk by Khon Kaen Dairy Cooperative in 1997
1999
Prasarn Tangkawattana
Results obtained from examination of raw milk at Khon Kaen Dairy Cooperative in 1997 indicated that 283 and 42 cans of milk failed in alcohol and resazulin tests, therefore purchasing of these milk was refused. The farmers lost their income in the amount of 103,750.8 and 15,401.6 bahts. With methylene blue reduction test, 35, 25, and 10 stangs/kg will be added to the standard price of milk grade 1-3 while 10 and 25 stangs/kg will be deducted from the standard price of milk grade 4 and 5. Accordingly, the purchasing price of milk grade 2-5 is lower than milk grade 1 at the rate of 10, 25, 40 and 50 stangs/kg, consecutively. The number of milk grade 2-5 was 932, 535, 328 and 203 cans, of which price of the milk was deducted in the amount of 56,648, 81,260, 90,126 and 62,340 bahts, consecutively.
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