LA TRAITE MÉCANIQUE. ASPECTS ANATOMIQUES, PHYSIOLOGIQUES ET TECHNOLOGIQUES. MISE AU POINT BIBLIOGRAPHIQUE

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Abstract
The definition and appraisal of suitability for milking, and "peak flow". The anatomical factors controlling efficiency of milking are structure and texture of the gland, distance from the soil, equalities between the quarters and teat caracteristies. Physiological factors controlling suitability for milking are intramammary pressure, and adaptation of the animals to a milking technique, including preparation for milking and feeding with concentrates. The milking machine has a 2 phase system including level of vacuum, pulsation rate, pulsation ratio, teat cups and clawpiece. It also has a 3 phase system. In the termination of milking, the effects of incomplete evacuation of the udder includes stripping and residual milk. The frequency and intervals between milking is rate of milk secretion, choice of milking intervals and choice of the number of milkings.