Combating Anthelmintic Resistance in Ruminants: A Serbian Perspective
Authors
Simin, StanislavŽivković, Nebojša
Pušić, Ivan
Stojanov, Igor
BECSKEI, Zsolt
Lalošević, Vesna
Vračar, Vuk
Štrbac, Filip

Ratajac, Radomir
Rinaldi, Laura
Sotiraki, Smaragda
Charlier, Johannes
Conference object (Published version)

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Heavy reliance on anthelmintics to control gastrointestinal nematodes (GIN) of grazing ruminants, led to the emergence of anthelmintic resistance (AR), a well known global problem to sustainable animal production, health and welfare. Ruminant producers in Serbia are seldomly aware of the serious losses that GIN can cause. Although resistance of Trichostrongylus spp. to ivermectin (IVM) was detected earlier in sheep, they rarely know about the existence of AR. To address the AR issue in a new manner, several Serbian researchers attended COMBAR training schools (TSs) and short term scientific missions (STSMs) in order to acquire new skills for improved diagnostics and control of GIN, such as the application of the Mini FLOTAC technique and the conduct of faecal egg count reduction tests (FECRTs) for monitoring anthelmintic efficacy. Using Mini FLOTAC, a set of small scale surveys was performed, to monitor GIN in grazing cattle (50 animals from 5 herds) and assess anthelmintic efficacy in... sheep (11 farms tested for IVM, 3 farms tested for levamisole (LEV)) and goats (one farm tested for IVM, eprinomectin (EPR) and albendazole (ALB)). Results showed low levels of GIN infection in cattle (average 13 eggs per gram (epg), range 5-95 epg). In the goat farm, resistance to EPR and IVM was detected (percentage of egg reductions= 83 and 92%, respectively), while ALB retained full efficacy. Regarding sheep, AR to IVM was established in 8 farms (73%), with egg reductions ranging from 55 to 92%, while LEV showed full efficacy against GIN. An STSM supported the evaluation of essential oils from Serbian native plants against GIN using in vitro studies and showed promising results. Overall, COST Action COMBAR is contributing to sustainable parasite control in Serbia through training researchers in new research practices.
Keywords:
ruminants / gastrointestinal nematodes / anthelmintic resistance / faecal egg count reduction test / alternativesSource:
Proceedings of 3th European Multicolloquium of Parasitology: „Changing climate changing parasites“, 2021, 55-55Publisher:
- Serbian Society of Parasitology
Funding / projects:
- COST Action COMBAR (Combatting Anthelmintic Resistance in Ruminants), number CA16230
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Institution/Community
Institut za multidisciplinarna istraživanjaTY - CONF AU - Simin, Stanislav AU - Živković, Nebojša AU - Pušić, Ivan AU - Stojanov, Igor AU - BECSKEI, Zsolt AU - Lalošević, Vesna AU - Vračar, Vuk AU - Štrbac, Filip AU - Ratajac, Radomir AU - Rinaldi, Laura AU - Sotiraki, Smaragda AU - Charlier, Johannes PY - 2021 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/1973 AB - Heavy reliance on anthelmintics to control gastrointestinal nematodes (GIN) of grazing ruminants, led to the emergence of anthelmintic resistance (AR), a well known global problem to sustainable animal production, health and welfare. Ruminant producers in Serbia are seldomly aware of the serious losses that GIN can cause. Although resistance of Trichostrongylus spp. to ivermectin (IVM) was detected earlier in sheep, they rarely know about the existence of AR. To address the AR issue in a new manner, several Serbian researchers attended COMBAR training schools (TSs) and short term scientific missions (STSMs) in order to acquire new skills for improved diagnostics and control of GIN, such as the application of the Mini FLOTAC technique and the conduct of faecal egg count reduction tests (FECRTs) for monitoring anthelmintic efficacy. Using Mini FLOTAC, a set of small scale surveys was performed, to monitor GIN in grazing cattle (50 animals from 5 herds) and assess anthelmintic efficacy in sheep (11 farms tested for IVM, 3 farms tested for levamisole (LEV)) and goats (one farm tested for IVM, eprinomectin (EPR) and albendazole (ALB)). Results showed low levels of GIN infection in cattle (average 13 eggs per gram (epg), range 5-95 epg). In the goat farm, resistance to EPR and IVM was detected (percentage of egg reductions= 83 and 92%, respectively), while ALB retained full efficacy. Regarding sheep, AR to IVM was established in 8 farms (73%), with egg reductions ranging from 55 to 92%, while LEV showed full efficacy against GIN. An STSM supported the evaluation of essential oils from Serbian native plants against GIN using in vitro studies and showed promising results. Overall, COST Action COMBAR is contributing to sustainable parasite control in Serbia through training researchers in new research practices. PB - Serbian Society of Parasitology C3 - Proceedings of 3th European Multicolloquium of Parasitology: „Changing climate changing parasites“ T1 - Combating Anthelmintic Resistance in Ruminants: A Serbian Perspective EP - 55 SP - 55 UR - https://hdl.handle.net/21.15107/rcub_rimsi_1973 ER -
@conference{ author = "Simin, Stanislav and Živković, Nebojša and Pušić, Ivan and Stojanov, Igor and BECSKEI, Zsolt and Lalošević, Vesna and Vračar, Vuk and Štrbac, Filip and Ratajac, Radomir and Rinaldi, Laura and Sotiraki, Smaragda and Charlier, Johannes", year = "2021", abstract = "Heavy reliance on anthelmintics to control gastrointestinal nematodes (GIN) of grazing ruminants, led to the emergence of anthelmintic resistance (AR), a well known global problem to sustainable animal production, health and welfare. Ruminant producers in Serbia are seldomly aware of the serious losses that GIN can cause. Although resistance of Trichostrongylus spp. to ivermectin (IVM) was detected earlier in sheep, they rarely know about the existence of AR. To address the AR issue in a new manner, several Serbian researchers attended COMBAR training schools (TSs) and short term scientific missions (STSMs) in order to acquire new skills for improved diagnostics and control of GIN, such as the application of the Mini FLOTAC technique and the conduct of faecal egg count reduction tests (FECRTs) for monitoring anthelmintic efficacy. Using Mini FLOTAC, a set of small scale surveys was performed, to monitor GIN in grazing cattle (50 animals from 5 herds) and assess anthelmintic efficacy in sheep (11 farms tested for IVM, 3 farms tested for levamisole (LEV)) and goats (one farm tested for IVM, eprinomectin (EPR) and albendazole (ALB)). Results showed low levels of GIN infection in cattle (average 13 eggs per gram (epg), range 5-95 epg). In the goat farm, resistance to EPR and IVM was detected (percentage of egg reductions= 83 and 92%, respectively), while ALB retained full efficacy. Regarding sheep, AR to IVM was established in 8 farms (73%), with egg reductions ranging from 55 to 92%, while LEV showed full efficacy against GIN. An STSM supported the evaluation of essential oils from Serbian native plants against GIN using in vitro studies and showed promising results. Overall, COST Action COMBAR is contributing to sustainable parasite control in Serbia through training researchers in new research practices.", publisher = "Serbian Society of Parasitology", journal = "Proceedings of 3th European Multicolloquium of Parasitology: „Changing climate changing parasites“", title = "Combating Anthelmintic Resistance in Ruminants: A Serbian Perspective", pages = "55-55", url = "https://hdl.handle.net/21.15107/rcub_rimsi_1973" }
Simin, S., Živković, N., Pušić, I., Stojanov, I., BECSKEI, Z., Lalošević, V., Vračar, V., Štrbac, F., Ratajac, R., Rinaldi, L., Sotiraki, S.,& Charlier, J.. (2021). Combating Anthelmintic Resistance in Ruminants: A Serbian Perspective. in Proceedings of 3th European Multicolloquium of Parasitology: „Changing climate changing parasites“ Serbian Society of Parasitology., 55-55. https://hdl.handle.net/21.15107/rcub_rimsi_1973
Simin S, Živković N, Pušić I, Stojanov I, BECSKEI Z, Lalošević V, Vračar V, Štrbac F, Ratajac R, Rinaldi L, Sotiraki S, Charlier J. Combating Anthelmintic Resistance in Ruminants: A Serbian Perspective. in Proceedings of 3th European Multicolloquium of Parasitology: „Changing climate changing parasites“. 2021;:55-55. https://hdl.handle.net/21.15107/rcub_rimsi_1973 .
Simin, Stanislav, Živković, Nebojša, Pušić, Ivan, Stojanov, Igor, BECSKEI, Zsolt, Lalošević, Vesna, Vračar, Vuk, Štrbac, Filip, Ratajac, Radomir, Rinaldi, Laura, Sotiraki, Smaragda, Charlier, Johannes, "Combating Anthelmintic Resistance in Ruminants: A Serbian Perspective" in Proceedings of 3th European Multicolloquium of Parasitology: „Changing climate changing parasites“ (2021):55-55, https://hdl.handle.net/21.15107/rcub_rimsi_1973 .