Hybridisation of farmed wapiti (Cervus elaphus manitobensis) and red deer (Cervus elaphus)

Moore, GH.; Littlejohn, RP.

New Zealand Journal of Zoology 162: 191-198

1989


ISSN/ISBN: 0301-4223
DOI: 10.1080/03014223.1989.10422568
Accession: 002127746

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Abstract
Wapiti (Cervus elaphus manitobensis) bulls were run with 106 adult farmed red deer hinds (Cervus elaphus) selected for size over three mating seasons. Only some bulls readily mated red hinds and some bulls became sexually exhausted after mating about 20 hinds. Seventy six hinds (72%) produced F1 calves. Mean gestation length of the F1 male calves was 239.6 days, with males born 1.8 (SE = 0.8) days earlier than females and a significant negative relationship between male gestation length and birth weight existed. At birth, males, on average, weighed 14.1 kg and females 13.3 kg. Male calves were significantly heavier at birth (6%) and at weaning (5%) than females. Growth rates of the calves to weaning (11 weeks) averaged 558 (males) and 536 g/day (females). Birth weight was related to dam mating weight, with a 0.8 kg increase in birth weight corresponding to a 10 kg increase in dam live weight. Both birth weight and metatarsus length squared of the new born calf were significantly related to growth to 50 days of age but not to later growth from 50-76 days of age. The F1 progeny were fertile when crossed. The use of wapiti sires over large red hinds can maximise the birth weight and weaning weight of calf rearable by a red hind.