Abstract
Reproductive characteristics of Burchell's zebra mares are described using data collected from captive and free ranging animals and the reproductive tracts of 310 mares shot during a game cropping campaign. The pubertal interval in zebra mares ranges from age 16 to 22 months, succesful mating occurring for the first time at 23 months of age. Full reproductive capacity is attained at three years. Zebra mares are seasonally polyoestrous, with an average of 85 of all mating and foaling occurring during the wet summer months (October to March).
Highlights
The study on reproduction in the zebra mare forms part of an investigation involving growth, reproduction and population characteristics of Burchell's zebra (Equus burchelli antiquorum) in the Kruger National Park (KNP) (Smuts 1974a)
Zebra mares are seasonally polyoestrous with an average of 85% of all mating and foaling occurring during the summer months
The oestrous cycle of Burchell's zebra may be divided into the following phases: Pro-oestrus - the phase immediately preceding oestrus or the preliminary period of refusal and delay
Summary
The study on reproduction in the zebra mare forms part of an investigation involving growth, reproduction and population characteristics of Burchell's zebra (Equus burchelli antiquorum) in the Kruger National Park (KNP) (Smuts 1974a). The purpose of the study was to collect general information on reproduction in the mare but on aspects such as puberty and sexual maturity, the seasonal reproductive cycle and factors influencing conception rate. Analysis of data has indicated that, as with the stallion (Smuts 1976), reproductive characteristics of the Burchell's zebra mare are similar to the domestic equids. Zebra mares are seasonally polyoestrous with an average of 85% of all mating and foaling occurring during the summer months
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