highly significantP < 0.001
1 B), BF lambs achieved a mean body weight of 13.27 ± 0.64 kg at 45 days of age, whereas FF lambs had a mean body weight of 6.47 ± 0.36 kg, and statistical analysis confirmed that the body weight of BF lambs was significantly higher than that of FF lambs with a highly significant difference ( P < 0.001).