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Table 3 Overview of the tested organic materials from different sources (1 = commercially available, 2 = farm-based) and microbial counts (log10 cfu/g DM) as total viable count (TVC) and coliform and mould counts; LOD = limit of detection

From: Examination of the hygienic status of selected organic enrichment materials used in pig farming with special emphasis on pathogenic bacteria

Material Source* TVCa, b Coliformsb Mouldsb
Wood-based materials
 Wood granulate 1 <  3.70 < LOD <  3.70
 Wood shavings 1 < LOD < LOD < LOD
 Sawdust 1 <  3.73 < LOD <  3.73
 Millings 1 3.81 <  3.69 <  3.69
Loose straw and hay
 Flax (Linum L.) straw 1 7.04 5.78 4.73
 Wheat, (Triticum L.), rye (Secale cereal L.), triticale (Triticale Tscherm.-Seys. ex Müntzing) meal 1 6.99 6.20 4.65
 Alfalfa Medicago sativa L.) hay mixed with green harvested oats (Avena L.) and clover (Trifolium L.) and treated with molasses and vegetable oil 1 5.66 3.86 <  3.73
 Rye (Secale cereal L.) straw meal 1 6.81 6.23 5.34
 Hemp (Cannabis L.) straw 1 6.76 5.43 4.38
 Grass hay 2 7.54 6.45 6.94
 Wheat (Triticum L.) straw 2 7.63 5.96 5.94
Compressed straw and hay
 Compressed wheat (Triticum L.) and rape (Brassica napus L.) cylinder 1 4.34 < LOD < LOD
 Wheat (Triticum L.) pellets 1 5.43 < LOD < LOD
 Grass and herb hay pellets 1 7.00 < LOD < LOD
 Miscanthus (Miscanthus ANDERSSON) cylinder 1 5.04 <  3.72 4.15
Miscellaneous
 Sugar beet (Beta vulgaris subsp. vulgaris L.) pulp with molasses 1 < LOD < LOD < LOD
 Maize (Zea mays L.) pellets 1 4.11 < LOD < LOD
 Peat (rooting material for piglets) 1 6.65 < LOD 4.91
 Lick block 1 3.70 < LOD < LOD
 Lignocellulose made of dehydrated molasses, vegetable fat and mineral nutrients 1 < LOD < LOD < LOD
 Maize (Zea mays L.) silage 2 7.89 < LOD <  4.15