To assess the intake, digestibility of nutrients, ingestive behavior, performance, and carcass characteristics of feedlot lambs, 36 F1 Santa Ines × Dorper male lambs with an initial average weight of 19.5 ± 0.27 kg were fed with different levels of spineless cactus (0, 33, 66, and 100 %) as a replacement of the wheat bran. The replacement diets had no effect on the intake of dry matter (DM) or crude protein (CP), whose average values were 962 and 140 g/day, respectively. There was a quadratic effect on the intake of digestible organic matter (OM) and the digestibility of DM, CP, neutral detergent fiber (NDF), and non-fiber carbohydrates (NFC). The highest average daily gain (ADG) of 168 g/day was achieved at 58.7 % replacement level. The highest hot and cold carcass weights of 15.4 and 14.5 kg were achieved at 62.4 and 56.9 % replacement levels. For lambs in the feedlot, we recommend replacing wheat bran with up to 58.7 % spineless cactus.
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All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
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The authors declare that they have no competing interests.
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Felix, S.C.R., Pessoa, R.A.S., de Andrade Ferreira, M. et al. Intake, performance, and carcass characteristics of lambs fed spineless cactus replacing wheat bran. Trop Anim Health Prod 48, 465–468 (2016). https://doi.org/10.1007/s11250-015-0969-2
- Alternative feed
- Carcass yield
- Dry matter intake
- Spineless cactus
- Weight gain