Biannual anthelmintic treatments in village Djallonke sheep in The Gambia: effects on productivity and profitability

Biannual anthelmintic treatments in village Djallonke sheep in The Gambia: effects on productivity and profitability

An on-farm deworming trial was conducted between 1991 and 1995 on traditionally managed Djallonke sheep in The Gambia to assess the impact on productivity and profitability of prophylactic biannual anthelmintic treatments. Fifteen private flocks with an average of 25 animals per flock participated i...

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Bibliographic Details
Published in:Preventive veterinary medicine Vol. 34; no. 2; pp. 215 - 225
Main Authors: Ankers, P., Itty, P., Zinsstag, J., Trawally, S., Pfister, K.
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 27-02-1998
Subjects:
Animal Husbandry - economics
Animal Husbandry - methods
Animals
ANTHELMINTHIQUE
ANTHELMINTICS
ANTIHELMINTICOS
Antinematodal Agents - administration & dosage
Antinematodal Agents - therapeutic use
Body Weight
CONTROL DE PLAGAS
Cost-Benefit Analysis
Drug Administration Schedule
Female
Fenbendazole - administration & dosage
Fenbendazole - therapeutic use
GAMBIA
GAMBIE
Helminths
Litter Size
LUTTE ANTIRAVAGEUR
Male
Nematode Infections - prevention & control
Nematode Infections - veterinary
OVIN
OVINOS
PEST CONTROL
Pregnancy
PRODUCTIVIDAD
PRODUCTIVITE
PRODUCTIVITY
PROFITABILITY
RENTABILIDAD
RENTABILITE
Sensitivity and Specificity
SHEEP
Sheep Diseases - prevention & control
The Gambia
The Gambia
Productivity
Anthelmintics
Sheep
Helminths
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Description
Summary:An on-farm deworming trial was conducted between 1991 and 1995 on traditionally managed Djallonke sheep in The Gambia to assess the impact on productivity and profitability of prophylactic biannual anthelmintic treatments. Fifteen private flocks with an average of 25 animals per flock participated in the experiment. Half of each flock was dewormed twice a year while the other half served as the control group. The two productivity traits that were significantly improved by the treatment scheme tested were the number of lambs per lambing which increased from 1.11±0.31 (Mean±S.D.) to 1.19±0.39 and the number of lambings per year which improved from 1.04±0.53 to 1.22±0.47. The mortality and weight at 12 months were not significantly affected by the treatment. Monitoring of sheep sales in the flocks and on surrounding markets allowed the calculation of a rate of return to the treatment scheme tested of 246%. Despite large variations in returns, the scheme studied is recommended as over 90% of the adopting farmers would yield positive returns to their investment.
Bibliography:1998002343
L72
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0167-5877
1873-1716
DOI:10.1016/S0167-5877(97)00037-8