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Citations
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Cox Je,. (1982). Factors affecting testis weight in normal and cryptorchid horses. J Reprod Fert Suppl, 32, 129–134.
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Klingel H,. (1969). Reproduction in the Plains Zebra, Equus burchelli boehmi: Behaviour and Ecological Factors. J Reprod Fert Suppl, 6, 339–345.
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Niekerk Van Ch, A. W. (1975). Early embryonic development in the horse. J Reprod Fert Suppl, 23, 495–498.
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Penzhorn Bl, L. P. (1987). Comparisons of reproductive parameters of two Cape mountain zebra populations. J Reprod Fert Suppl, 35, 661–663.
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Pickett Bw, V. J. (1975). Abnormalities of mating behaviour in domestic stallions. J Reprod Fert Suppl, 23, 129–134.
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Short Rv,. (1975). The evolution of the horse. J Reprod Fert Suppl, 23, 1–6.
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