COMPARATIVE PROTEIN PROFILES OF MILK OF NILI-RAVI BUFFALOES, SAHIWAL AND CROSSBRED COWS
R. Kausar1*, G. Muhammad2, Z. I. Qureshi3 and F. Mahmood4
1Department of Anatomy, University of Agriculture, Faisalabad, Pakistan.
2Department of Clinical Medicine and Surgery, University of Agriculture, Faisalabad, Pakistan
3Department of Theriogenology, University of Agriculture, Faisalabad, Pakistan.
4Department of Pathology, University of Agriculture, Faisalabad, Pakistan
*Corresponding author email: email@example.com
Quantitative protein profiling of milk of Nili-Ravi buffaloes, Sahiwal and cross-bred cows were performed. Total proteins and caseins were the highest in milk of cross-bred cows while, whey proteins were the maximum in Sahiwal cow’s milk. The mean values of milk total proteins were 78.103±1.878, 59.333±0.611 and 81.594±2.026 mg/mL for Nili-Ravi buffaloes, Sahiwal cows and cross-bred cows, respectively. The milk lactoserum proteins were comparatively higher in milk of Sahiwal cows (28.842±1.25mg/mL) followed by Nili-Ravi buffaloes (20.026±0.665mg/mL), and the lowest in cross-bred cow’s milk (10.176±0.568mg/mL). The mean value of caseins in milk of Nili-Ravi buffaloes was58.077±0.90mg/mL, while the least (30.491±1.15mg/mL) in Sahiwal cow’s milk and the highest (71.418±1.20mg/mL) in milk of cross-bred cows. Effect of different quarters on milk protein profiles was non-significant in all three species/cattle breeds. Bulk milk contained 73.555±0.887 mg/mL total proteins, 19.586±0.767 mg/mL lactoserum proteins and 53.969±1.464 mg/mL caseins.
Keywords: Bulk milk; caseins; lactoserum; mammary gland; Pakistan; quarters; total proteins; whey.