From: Impact of amount of straw on pig and pen hygiene in partly slatted flooring systems
Farm | Age category | No. pigs produced /year | No. of days in experiment | No. pigs in experiment | No. of pens | Pen Size (m2) | No. of pigs / pen | Area/pig (m2) | Mean straw length (range).cm | Straw ration. g/pen | Straw ration. g/pig | No. of missing daily obs. | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C | ES | Total | Slatted | C | ES | C | ES | (%) | ||||||||
G1 | Growers | 18,000 | 35 | 286 | 12 | 12 | 4.98 | 1.19 | 12 | 0.41 | 6.6 (1–40.5) | 100 (day 1–15) 200 (day 16–24) 600(day 25–35) | 200 500 1000 | 8.3 16.7 50.0 | 16.7 41.7 83.3 | 0 (0) |
G2 | Growers | 7000–7500 | 34 | 427 | 22 | 17 | 5.39 | 1.06 | 10–11 | 0.49–0.54 | 11.9 (7.5–88.5) | 47 | 94 | 4.3–4.7 | 8.5–9.4 | 1 (3) |
G4 | Growers | 7500 | 43 | 360 | 12 | 12 | 4.01 | 1.08 | 12 (9)a | 0.33–0.45 | 5.3 (1–31) | 46 | 92 | 3.8–5.1a | 7.6–10.2a | 2 (5) |
F2 | Finishers | 7000–7500 | 74 | 444 | 21 | 21 | 10.49 | 2.68 | 11 | 0.95 | 11.9 (7.5–88.5) | 132 | 264 | 12 | 24 | 11b (15) |
F3 | Finishers | 2300 | 70 | 195 | 11 | 9 | 9.7 | 1.8 | 11 | 0.88 | 10.4 (1–44) | 100 | 200 | 9.1 | 18.2 | 2 (3) |
F4 | Finishers | 7500 | 74 | 209 | 12 | 12 | 9.05 | 2.25 | 9 | 1.00 | 6.9 (5.5–51.5) | 110 | 220 | 12.2 | 24.4 | 10c (14) |
F5 | Finishers | 10,000 | 68 | 408 | 20 | 20 | 10.49 | 2.68 | 10 | 0.95 | 8.4 (1.5–44.5) | 58 | 115 | 5.8 | 11.5 | 14d (21) |