neither mammary blood flow ( 43.3 +/- 5.8 ( s.e.m . ) ml/100 cm3 x min ) nor udder volume changed significantly throughout the period of study , but for three ewes the 'mammary blood flow : milk yield ' ratio increased from 300 ( peak yield ) to 570 ( late lactation ) .
C0006141
mammary
C0026131
milk