Zobrazeno 1 - 10
of 154
pro vyhledávání: '"B.L. Penzhorn"'
Tick infestation, and udder and teat damage in selected cattle herds of Matabeleland South, Zimbabwe
Publikováno v:
Onderstepoort Journal of Veterinary Research, Vol 76, Iss 2, Pp 235-248 (2009)
A cross-sectional survey was conducted to determine tick infestation, and udder and teat damage in 286 lactating cows and heifers at six properties in the smallholder and commercial sectors in Gwanda district of Matabeleland South Province, Zimbabwe.
Externí odkaz:
https://doaj.org/article/e468d95f83e14179a736be7a7f02d9c7
Publikováno v:
Onderstepoort Journal of Veterinary Research, Vol 75, Iss 3, Pp 199-205 (2008)
The seroprevalence of Anaplasma antibodies in wildlife (eland, blue wildebeest, kongoni, impala, Thomson's gazelle, Grant's gazelle, giraffe and plains zebra) and domestic animal (cattle, sheep and goat) populations was studied in wildlife / livestoc
Externí odkaz:
https://doaj.org/article/77ff2d06d6304ded9efeced13f3cf897
Autor:
S. Jamal, I. Sigauque, C. Macuamule, L. Neves, T. Marcotty, B.L. Penzhorn, P. Van den Bossche
Publikováno v:
Onderstepoort Journal of Veterinary Research, Vol 72, Iss 4, Pp 333-338 (2005)
Resistance to trypanocidal drugs has been detected in various African countries and is a serious impediment to the control of livestock trypanosomosis. To determine whether drug resistant trypanosome strains are present in the Zambézia Province of M
Externí odkaz:
https://doaj.org/article/f3c4186ea59b4aae8521db5ed414c892
Publikováno v:
Onderstepoort Journal of Veterinary Research, Vol 71, Iss 4, Pp 333-336 (2004)
An opportunity to study progression toward endemic stability to Babesia bigemina arose when cattle were reintroduced onto a game ranch in 1999 after an absence of three years. The study was conducted between August 2000 and June 2001. The unvaccinate
Externí odkaz:
https://doaj.org/article/2deb75592de7426493a72a8e591fb289
Autor:
B.L. Penzhorn, N.J. van der Merwe
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 36, Iss 1, Pp 95-98 (1993)
Testis mass of adult tsessebes (mean 45,3 g) and relative testis size (0,56) were consistent with the Class D social organisation of tsessebes. In singleale breeding systems, testes are relatively small. Spermatogenesis reached a peak in January, pri
Externí odkaz:
https://doaj.org/article/40827f1e9fef4f368466777fba577f15
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 17, Iss 1, Pp 137-158 (1974)
An increasing elephant Loxodonta africana population has been confined to a 2 770 ha enclosure since 1954. When compared to the vegetation adjacent to the enclosure, the plant biomass within has been reduced by more than one half. Changes in the bota
Externí odkaz:
https://doaj.org/article/59a0998a1e27443eaea73ec6f9e5d628
Autor:
B.L. Penzhorn, Maria C. Olivier
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 17, Iss 1, Pp 121-136 (1974)
The vegetation and botanical exploration of the Park are discussed briefly. The 301 species of flowering plants recorded in the Park are listed in a systematic check list. Of the 54 families recorded, Compositae (39 spp.), Gramineae (32 spp.), Lilia
Externí odkaz:
https://doaj.org/article/28121230a6e546ec8e1890e4065f83fe
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 16, Iss 1, Pp 77-81 (1973)
The results of a special survey are supplemented inthis report with a review of all other applicable information onthe diseases and parasites of Cape mountain zebra, black wildebeest, mountain reedbuck and blesbok in the Mountain ZebraNational Park.
Externí odkaz:
https://doaj.org/article/ec0def25e1cd4069b42642759772f692
Autor:
B.L. Penzhorn
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 28, Iss 1, Pp 69-71 (1985)
Dr. Percy Rendall FZS, who visited the Transvaal Lowveld during 1893 and 1894, made the following statement in a field-note on the antelopes which he encountered in the region: THE HARTEBEESTE. Bubalis caama. Zulu: Indhluzela There are a few of these
Externí odkaz:
https://doaj.org/article/86ab1da581db48bb824031e4bb1b9f54
Autor:
B.L. Penzhorn
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 31, Iss 1, Pp 247-249 (1988)
At last! A book that tells visitors to the Kruger National Park much more than just gestation period and record horn length of the larger mammals.
Externí odkaz:
https://doaj.org/article/2e21828b65984c07a1aa762d1647217d