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Genotype And Breed Trend Influences On Citric Acid And Coagulation Times Of Raw Milk, Melissa Looney
Genotype And Breed Trend Influences On Citric Acid And Coagulation Times Of Raw Milk, Melissa Looney
Dairy Science
The objective of the study was to determine if citric acid levels measured in milk was related to genetic variants identified in Holstein and Jersey cows. The data used were milk samples collected from both Holstein and Jersey cows at Cal Poly, San Luis Obispo. Citric acid levels and other constituents were measured using FTIR methods with the FOSS MilkoscanTM FT2 on each sample. Genotypes were obtained for the DGAT 1 locus using polymerase chain reaction and an enzymatic digestion using the MWO I restriction enzyme. Observations were obtained on 13 Holsteins and 12 Jersey cows. Results indicated that citric …