BACTERIOLOGICAL STUDIES ON RAW MILK SUPPLIED TO FAISALABAD CITY DURING SUMMER MONTHS

• Main Author: Kashifa Khaliq, M. Ashfaque, Iftikhar Hussain and Masood Akhtar1
• Format: Article
• Language: English
• Published: University of Agriculture, Faisalabad 2001-02-01
• Series: Pakistan Veterinary Journal
• Subjects: Smruner montils; raw milk; Bacteriology
• Online Access: http://pvj.com.pk/abstract/21_2/5.htm

Standard plate count of 100 milk samples collected from Faisalabad city during tile months of June- August, 2000, ranged from 6.9 x 103 to 1.12 x 107. Time required for the reduction of methylene blue dye in milk samples was half hour in 26% samples, one hour in 25%, one & half hour in 27%, two hour in 9% and two & half hours in 13% milk samples. Microscopic count ranged from 1.3 x 106 to 9x 108. Presumptive test for presence of coliform organisms was positive in all tile 100 milk samples. The electrical conductivity was recorded as low as 2200 mcromho/cm and as high as 4500 micromho/cm. The values of coefficient of correlation of viable count with electrical conductivity was 0.805 (P<0.05); methylene blue reduction test with electrical conductivity was -0.758 (P<0.05). 24% of tile samples fulfilled the International Standard of grade “A” raw milk (<100,000 bacteria per ml of milk), but their methylene blue reduction test gave fair quality milk. An overall hygienic quality of milk supplied to Faisalabad city was very poor.