Fig. 3From: A new device for deep cervical artificial insemination in gilts reduces the number of sperm per dose without impairing final reproductive performancePregnancy [Left Y-axis, represented (%) in black bars] and number of piglets born per litter [Right Y-axis, represented (mean ± SD) in dark (total) and light (live) grey bars] according to the length of the device protruding from the gilt during Dp-CAI. Different letters (a, b) on the bars of the same parameter (pregnancy, total number or live piglets born) denote significantly different values (P < 0.05)Back to article page