Real-time ultrasonography for pregnancy diagnosis and foetal ageing in fallow deer [Dama dama]
1993
Lenz, M.F. | English, A.W. | Dradjat, A. (Sydney Univ., Camden (Australia). Dept. of Animal Health)
Three groups of 15 to 17 adult fallow does with some additional yearling does in 2 of the groups were treated to synchronise oestrous cycles, and mated. All does were scanned by ultrasound at 4 weeks of gestation and at weekly intervals from week 7 to week 14 of gestation. Growth rates of 13 foetal and uterine characters, which have been used for ageing foetuses of red deer, were similar for adult and yearling does and among the 3 groups. Transrectal ultrasound scanning was a reliable and accurate means of detecting pregnancy and of ageing foetuses of fallow deer during weeks 7 to 17 of pregnancy.
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