Table 3.
Comparison of results Study 1 (Single- SH versus double—DH layered haynets) and Study 2—all single haynets for hay only using (a) Results when removing data <50 N (to align with gauge data from Study 1 for better comparison) and (b) full Results as presented, and one further bite pressure study by Hongo & Akimoto [9] (N = Newtons).
| Mean Pull Pressure (N) | Mean Max Pull Pressure (N) |
Intake Time (minutes/kg WM) | |
|---|---|---|---|
| Study 1: Hay; 50–5000 N | SH: 74 ± 2.9 | SH: 122 ± 6.6 | Single: 78 ± 9 |
| DH: 81 ± 2 | DH: 156 ± 9.4 | Double: 154 ± 12 | |
| Study 2a: 50–2500 N | Hay: 77 ± 2.6 | Hay: 123 ± 11.1 | Hay: 44 ± 1.8 |
| Haylage: 135 ± 4 | Haylage: 307 ± 18.2 | Haylage: 27 ± 1.1 | |
| Study 2b; 0–2500 N | Hay: 20 ± 1.8 | Hay: 120 ± 13.6 | |
| Haylage: 74 ± 5.2 | Haylage: 307 ± 18.2 | ||
| Hongo & Akimoto (2003) Artificial swards |
Perennial Rye Grass: 141 ± 11 * |
* Pressure readings only indicative—not directly comparable to Studies 1 & 2 due to different methodology.