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Creating aversion to toxic plants in ewe-lambs: the example of Ferula communis
Year:
2000
Source of publication :
Options mediterraneennes
Authors :
Landau, Serge Yan
;
.
Perevolotsky, Avi
;
.
Volume :
52
Co-Authors:

Egber, A., Shlosberg, A., Belaich, M. 

Facilitators :
From page:
165
To page:
170
(
Total pages:
6
)
Abstract:

The circum-Mediterranean perennial Ferula communis contains anticoagulant constituents. Conditioned feed aversion (CFA) consists of building up temporal contiguity between ingestion of the plant and post-ingestive malaise in order to elicit rejection at later encounters. Because most casualties are ewe-lambs, within 30 days of being turned out, the first objective was to achieve CFA for 30 days. In experiment 1, six weaned which had been accustomed to F. communis for 1 week, were averted to F. communis by administrating orally two doses of 266 mg LiCl kg -1 BW at 5-day intervals at the time of F. communis meals. Six lambs served as unaverted controls. The aversion persisted for 31 days. The lambs were then turned out to pasture on a F. communis-infested artificially-constructed paddock. Averted lambs consumed 28 per cent less F. communis. Lambs consumed more F. communis, and CFA was more effective, when pasture standing biomass was low (1,060 kg DM ha-1), compared with medium (2,070 kg DM ha-1).

Note:
Related Files :
Conditioned food aversion
Ferula communis
Poisonous plants
sheep
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More details
DOI :
Article number:
0
Affiliations:
Database:
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
53685
Last updated date:
02/03/2022 17:27
Creation date:
23/02/2021 15:27
Scientific Publication
Creating aversion to toxic plants in ewe-lambs: the example of Ferula communis
52

Egber, A., Shlosberg, A., Belaich, M. 

Creating aversion to toxic plants in ewe-lambs: the example of Ferula communis

The circum-Mediterranean perennial Ferula communis contains anticoagulant constituents. Conditioned feed aversion (CFA) consists of building up temporal contiguity between ingestion of the plant and post-ingestive malaise in order to elicit rejection at later encounters. Because most casualties are ewe-lambs, within 30 days of being turned out, the first objective was to achieve CFA for 30 days. In experiment 1, six weaned which had been accustomed to F. communis for 1 week, were averted to F. communis by administrating orally two doses of 266 mg LiCl kg -1 BW at 5-day intervals at the time of F. communis meals. Six lambs served as unaverted controls. The aversion persisted for 31 days. The lambs were then turned out to pasture on a F. communis-infested artificially-constructed paddock. Averted lambs consumed 28 per cent less F. communis. Lambs consumed more F. communis, and CFA was more effective, when pasture standing biomass was low (1,060 kg DM ha-1), compared with medium (2,070 kg DM ha-1).

Scientific Publication
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