Table 2
Least square means (±SE) of productive performance and carcass traits of lambs in
conventional (barren) or enriched pens during the finishing phase of fattening.
Response variable Conventional pen Enriched pen
Initial weight (kg) 17.16 ± 0.19 16.92 ± 0.19
Final weight (kg) 26.30a ± 0.39 27.40b ± 0.38
Average daily gain (g) 305a ± 10 361b ± 10
CCI⁎ (kg) 3.30 ± 0.10 3.14 ± 0.10
Dressing yield 46.37 ± 0.32 46.50 ± 0.32
Cold carcass weight (kg) 11.88a ± 23 12.59b ± 0.23
Bruising score (0–3) 0.13 ± 0.12 0.43 ± 0.12
Carcass conformation score 5.90 ± 0.27 5.90 ± 0.27
Carcass fattening score 5.03a ± 0.18 5.53b ± 0.18
a, b: Different letters within the same row represent significant differences between
treatments (P b 0.05).
⁎ CCI: concentrate conversion index expressed in kg of concentrate per kg of daily gain