Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub. / Kotze, A C; Zadow, E N; Vercoe, P E; Phillips, N; Toovey, A; Williams, Andrew Richard; Ruffell, A P; Dinsdale, A; Revell, D K.

In: Parasitology, Vol. 138, No. 5, 2011, p. 628-37.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Kotze, AC, Zadow, EN, Vercoe, PE, Phillips, N, Toovey, A, Williams, AR, Ruffell, AP, Dinsdale, A & Revell, DK 2011, 'Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub', Parasitology, vol. 138, no. 5, pp. 628-37. https://doi.org/10.1017/S0031182010001769

APA

Kotze, A. C., Zadow, E. N., Vercoe, P. E., Phillips, N., Toovey, A., Williams, A. R., Ruffell, A. P., Dinsdale, A., & Revell, D. K. (2011). Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub. Parasitology, 138(5), 628-37. https://doi.org/10.1017/S0031182010001769

Vancouver

Kotze AC, Zadow EN, Vercoe PE, Phillips N, Toovey A, Williams AR et al. Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub. Parasitology. 2011;138(5):628-37. https://doi.org/10.1017/S0031182010001769

Author

Kotze, A C ; Zadow, E N ; Vercoe, P E ; Phillips, N ; Toovey, A ; Williams, Andrew Richard ; Ruffell, A P ; Dinsdale, A ; Revell, D K. / Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub. In: Parasitology. 2011 ; Vol. 138, No. 5. pp. 628-37.

Bibtex

@article{50eb24c9a4c94d239879e9c1189de6bb,
title = "Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub",
abstract = "Rhagodia preissii had shown significant in vitro anthelmintic activity in a previous study, we examined the effect of including this shrub in the diet of sheep infected with Trichostrongylus colubriformis. Worm-infected merino wethers were grazed for 7 weeks on either R. preissii or annual pasture, and faecal egg counts (FECs) were conducted weekly. Plant material was collected weekly from eaten and uneaten plants, and analysed for levels of plant secondary metabolites (tannins, oxalates, saponins) and in vitro anthelmintic activity. While mean FECs were consistently lower in sheep grazing R. preissii compared to pasture (reductions of 20-74%), the differences were not significant. There was no relationship between grazing preference (eaten or uneaten) and in vitro anthelmintic activity of plant extracts. The levels of saponins and oxalates did not correlate with grazing preference or in vitro anthelmintic activity, while tannins were not responsible for the anthelmintic activity. While the identity of the grazing deterrent and in vitro anthelmintic compounds remain unknown, the presence of plants which were both highly preferred by the sheep and showed in vitro anthelmintic activity indicates a potential to develop the species as an anthelmintic shrub through selection of shrub populations dominated by such plants.",
author = "Kotze, {A C} and Zadow, {E N} and Vercoe, {P E} and N Phillips and A Toovey and Williams, {Andrew Richard} and Ruffell, {A P} and A Dinsdale and Revell, {D K}",
year = "2011",
doi = "10.1017/S0031182010001769",
language = "English",
volume = "138",
pages = "628--37",
journal = "Parasitology",
issn = "0031-1820",
publisher = "Cambridge University Press",
number = "5",

}

RIS

TY - JOUR

T1 - Animal grazing selectivity and plant chemistry issues impact on the potential of Rhagodia preissii as an anthelmintic shrub

AU - Kotze, A C

AU - Zadow, E N

AU - Vercoe, P E

AU - Phillips, N

AU - Toovey, A

AU - Williams, Andrew Richard

AU - Ruffell, A P

AU - Dinsdale, A

AU - Revell, D K

PY - 2011

Y1 - 2011

N2 - Rhagodia preissii had shown significant in vitro anthelmintic activity in a previous study, we examined the effect of including this shrub in the diet of sheep infected with Trichostrongylus colubriformis. Worm-infected merino wethers were grazed for 7 weeks on either R. preissii or annual pasture, and faecal egg counts (FECs) were conducted weekly. Plant material was collected weekly from eaten and uneaten plants, and analysed for levels of plant secondary metabolites (tannins, oxalates, saponins) and in vitro anthelmintic activity. While mean FECs were consistently lower in sheep grazing R. preissii compared to pasture (reductions of 20-74%), the differences were not significant. There was no relationship between grazing preference (eaten or uneaten) and in vitro anthelmintic activity of plant extracts. The levels of saponins and oxalates did not correlate with grazing preference or in vitro anthelmintic activity, while tannins were not responsible for the anthelmintic activity. While the identity of the grazing deterrent and in vitro anthelmintic compounds remain unknown, the presence of plants which were both highly preferred by the sheep and showed in vitro anthelmintic activity indicates a potential to develop the species as an anthelmintic shrub through selection of shrub populations dominated by such plants.

AB - Rhagodia preissii had shown significant in vitro anthelmintic activity in a previous study, we examined the effect of including this shrub in the diet of sheep infected with Trichostrongylus colubriformis. Worm-infected merino wethers were grazed for 7 weeks on either R. preissii or annual pasture, and faecal egg counts (FECs) were conducted weekly. Plant material was collected weekly from eaten and uneaten plants, and analysed for levels of plant secondary metabolites (tannins, oxalates, saponins) and in vitro anthelmintic activity. While mean FECs were consistently lower in sheep grazing R. preissii compared to pasture (reductions of 20-74%), the differences were not significant. There was no relationship between grazing preference (eaten or uneaten) and in vitro anthelmintic activity of plant extracts. The levels of saponins and oxalates did not correlate with grazing preference or in vitro anthelmintic activity, while tannins were not responsible for the anthelmintic activity. While the identity of the grazing deterrent and in vitro anthelmintic compounds remain unknown, the presence of plants which were both highly preferred by the sheep and showed in vitro anthelmintic activity indicates a potential to develop the species as an anthelmintic shrub through selection of shrub populations dominated by such plants.

U2 - 10.1017/S0031182010001769

DO - 10.1017/S0031182010001769

M3 - Journal article

C2 - 21281562

VL - 138

SP - 628

EP - 637

JO - Parasitology

JF - Parasitology

SN - 0031-1820

IS - 5

ER -

ID: 44099965