Fig. 1

Dairy production system and facilities of small holders in the study farms. ¹comparable variables: intensive and extensive farming systems; no of milking cows’ owned by the farm owners; common and separate barns in the farm; availability of continuous water supply for hygiene of floor and equipments; milking utensils (buckets) and collecting tanks type (plastic or tin). ²Cont. water supply = farms with continuous water supply; < 5 cows = farms having less than five cows