Effect of milking hygiene, herd size, water hardness and temperature-humidity index on milk quality of dairy farms

The objective of this study was to evaluate the effect milking hygiene practices, herd size, water hardness, and temperature-humidity index (THI) on physicochemical microbiological characteristics raw milk, standard plate count (SPC) in machines dairy farms central region Mexico. Data were collected from fifty-three during one year. evaluated effects included conditions (good, medium, poor), size (1-50, 51-100, 101-150, ≥151 heads), hardness (soft or [...]