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Table 1 Country of origin of 88 studies assessing impact of parasitism on production traits of sheep

From: Effect of gastro-intestinal nematode infection on sheep performance: a systematic review and meta-analysis

Europe (38) n Oceania (21) n Americas (14) n Africa (10) n Asia (5) n
UK 18 Australia 12 Brazil 7 Kenya 5 India 1
Spain 5 New-Zealand 9 USA 4 Ethiopia 2 Indonesia 1
Greece 4    Argentina 1 South-Africa 2 Iraq 1
Italy 4    Mexico 1 Nigeria 1 Malaysia 1
France 3    Venezuela 1    Pakistan 1
Denmark 1         
Germany 1         
Ireland 1         
Switzerland 1