Niekerk Van Ch, A. W. (1975). Early embryonic development in the horse. J Reprod Fert Suppl, 23, 495–498.
|
Niekerk Van Hp,. (1980). Ethological studies within the man. J South Afr Vet Assoc 51, , 237–238.
|
Nitschelm D, H. V. D. C. (1977). The influence of chlormadinone acetate treatment on the concentration of some stereoids in the blood, on the ovarian activity and on.. Tijdschr Diergeneesk, 102, 861–872.
|
Nitschelm D, H. V. D. C. (1977). The influence of chlormadinone acetate treatment on the concentration of some stereoids in the blood, on the ovarian activity, and on the sexual behaviour of the.. Tijdschr Diergeneesk, 102, 61–872.
|
Noack T,. (1887). Beiträge zur Kenntnis der Säugetierfauna von Ost – und Central – Afrika. Zool Jb, 2, 200–201.
|
Noack T,. (1893). Das Quagga. Zool. Garten., 34, 289–297.
|
Nobis G,. (1955). Beiträge zur Abstammung und Domestikation des Hauspferdes. Z Tierzüchtung u Züchtungsbiol, 64, 201–246.
|
NOVELLIE PA et al,. (1988). Factors affecting the seasonal movements of Cape mountain zebras in the Mountain Zebra National Park. S Afr J Zool, 23, 13–19.
|
Oelofse J,. (1969). Plastic for game catching. Oryx, 10, 306–308.
|
Ohsawa H,. (1982). Transfer of group members in Plain zebras in relation to social organization Afr Study. Monogr, 2, 53–71.
|