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Prevalence and intensity of gastrointestinal nematode infection in small ruminants in three West African countries

Traoré, Linda Cletchio Gabriella; Coulibaly, Mamadou; Beye, Aminata; Heckendorn, Felix; Sanon, H. Oumou; Sanou, Sita; Coulibaly, Hawa; Coulibaly, Drissa; Mbaye, Tamsir; Fall Ba, Mariéme; Schlecht, Eva and Roessler, Regina (2023) Prevalence and intensity of gastrointestinal nematode infection in small ruminants in three West African countries. In: Tielkes, Eric (Ed.) Tropentag 2023. Competing pathways for equitable food systems transformation: trade-offs and synergies. Book of Abstract, CUVILLIER Verlag, Göttingen, pp. 369-370.

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Document available online at: https://www.tropentag.de/2023/proceedings/proceedings.pdf


Summary in the original language of the document

This study was carried out to provide missing information on the prevalence and intensity of gastrointestinal nematode (GIN) infections of small ruminants in three West African countries. The use of communal grazing areas in these countries favours the spread of GIN infections across small ruminants and may reduce production performances and herders’ income. Faecal samples of 1,235 small ruminants were collected in Burkina Faso, Mali and Senegal in late dry (May), rainy (August) and early dry (November) season of 2022. Individual Faecal Egg Counts (FEC) were performed by a modified McMaster technique. Animals were selected in several villages according to the following parameters: species (sheep, goats), age (young: 6–12 months, adult: >12 months) and sex (male, female). The Kruskal-Wallis test was applied to assess the influence of these parameters on FEC intensity, expressed as eggs per gram of faeces (EPG). The overall prevalence of GIN was 70.8 %, 82.6 % and 66.8 % in Burkina Faso, Mali and Senegal, respectively. In all countries, the rainy season corresponded to the highest infection period. The mean ± standard deviation of EPG across all countries was 230 ±350, 1,023 ±1,176 and 424 ±352 for late dry, rainy and early dry season. Infection intensity was higher in young than in adult animals, and in male than in female animals in the rainy season, whereas no differences could be observed between these groups in the late dry season. Similarly, there was no significant difference in the mean EPG between sheep and goats late dry season. The results indicate that better monitoring and control of GIN infections are necessary during the rainy season and especially in young and male sheep and goats. For further study it would also be interesting to learn more about anthelmintic resistance in GIN and non-allopathic control options.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Faecal egg counts (FEC), gastrointestinal nematodes, prevalence, small ruminants, West Africa, Abacus, FiBL1014006, SustainSahel
Agrovoc keywords:
Language
Value
URI
English
nematodes
http://aims.fao.org/aos/agrovoc/c_47faeccc
English
small ruminants
http://aims.fao.org/aos/agrovoc/c_32579
English
gastrointestinal diseases
http://aims.fao.org/aos/agrovoc/c_11105
English
West Africa
http://aims.fao.org/aos/agrovoc/c_8355
English
animal health
http://aims.fao.org/aos/agrovoc/c_431
English
UNSPECIFIED
UNSPECIFIED
Subjects: Animal husbandry > Production systems > Sheep and goats
Animal husbandry > Health and welfare
"Organics" in general > Countries and regions > Africa
Research affiliation:Other countries
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > International > Regions > Africa
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Animal health > Parasitology
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Small ruminants
Germany > University of Kassel
ISBN:978-3-7369-7880-5
Related Links:https://www.sustainsahel.net/index.html
Deposited By: Forschungsinstitut für biologischen Landbau, FiBL
ID Code:52773
Deposited On:11 Mar 2024 10:22
Last Modified:11 Mar 2024 10:43
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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