Abidi S, Ben Salem H, Martín-García AI and Molina-Alcaide E, 2009. Ruminal fermentation of spiny (Opuntia amyclae) and spineless (Opuntia ficus indica f. inermis) cactus cladodes and diets including cactus. Animal Feed Science and Technology 149(3-4):333-340.
Albright JL, 1993. Feeding behavior of dairy cattle. Journal of Dairy Science 76(2): 485-498.
Albuquerque I, Araujo G, Santos F, Carvalho G, Santos E, Nobre I, Bezerra L, Silva-Junior J, Silva-Filho E and Oliveira R, 2020. Performance, body water balance, ingestive behavior and blood metabolites in goats fed with cactus pear (Opuntia ficus-indica L. Miller) silage subjected to an intermittent water supply. Sustainability 12(7):2881.
Allen MS, 2000. Effects of diet on short-term regulation of feed intake by lactating dairy cattle. Journal of Dairy Science 83(7): 1598-1624.
AOAC International. 2000. Official Methods of Analysis of the AOAC International. 17th ed. Published by AOAC. Int., Gaithersburg, MD.
Aranda-Osorio G, Flores-Valdez CA and Cruz-Miranda FM, 2008. Inclusion of cactus pear cladodes in diets for finishing lambs in Mexico. Journal of the Professional Association for Cactus Development 1 (10):49-55.
Barbera G, Inglese P and Pimienta-Barrios E, editors, 1995. Agro-ecology, cultivation and uses of cactus pear. Italy: FAO.
Ben Salem H, Nefzaoui A, Abdouli H and Ørskov ER, 1996. Effect of increasing level of spineless cactus (Opuntia ficus indica var. inermis) on intake and digestion by sheep given straw-based diets. Animal Science 62(2):293-299.
Broderick GA and Kang JH, 1980. Automated simultaneous determination of ammonia and total amino acids in ruminal fluid and in vitro media. Journal of Dairy Science 63(1): 64-75.
Cheeke PR, 2000. Actual and potential applications of Yucca schidigera and Quillaja saponaria saponins in human and animal nutrition. In Saponins in food, feedstuffs and medicinal plants 241-254. Springer, Dordrecht.
Gebremariam T, Melaku S and Yami A, 2006. Effect of different levels of cactus (Opuntia ficus-indica) inclusion on feed intake, digestibility and body weight gain in tef (Eragrostis tef) straw-based feeding of sheep. Animal Feed Science and Technology 131(1-2):43-52.
INRA (Ed.), 1978. Alimentation des Ruminants. INRA Publications, Versailles, p. 597.
Iraira SP, de la Torre JR, Rodríguez-Prado M, Manteca X, Calsamiglia S and Ferret A, 2012. Effect of feeding method on intake and behaviour of individually reared beef heifers fed a concentrate diet from 115 to 185 kg of body weight. Animal 6(9):1483-1490.
Mondragón-Jacobo C and Pérez-González S, editors, 2001. Cactus (Opuntia spp.) as forage. Food & Agriculture Org.; 2001.
Nielsen BL, de Jong IC and De Vries TJ, 2016. The use of feeding behaviour in the assessment of animal welfare. In Nutrition and the welfare of farm animals (59-84). Springer, Cham.
Ogimoto K and Imai S, 1981. Atlas of rumen microbiology. Japan Sientific Societies Press, Tokyo.
Park EH, Kahng JH and Paek EA, 1998. Studies on the pharmacological actions of cactus: identification of its anti-inflammatory effect. Archives of Pharmacal Research. 21(1):30-4.
Rekik M, Ben Salem H, Lassoued N, Chalouati H and Ben Salem I, 2010. Supplementation of Barbarine ewes with spineless cactus (Opuntia ficus-indica f. inermis) cladodes during late gestation-early suckling: Effects on mammary secretions, blood metabolites, lamb growth and postpartum ovarian activity. Small Ruminant Research 90(1-3):53-57.
Reyes-Aguero JA, Aguirre JR and Valiente-Banue A, 2006. Reproductive biology of Opuntia: A review. Journal of Arid Environments 64(4), 549-585.
Rodrigues AM, Pitacas FI, Reis CM and Blasco M, 2016. Nutritional value of Opuntia ficus-indica cladodes from Portuguese ecotypes. Bulgarian Journal of Agricultural Sciences 22:40-45.
Sadeghi MH, Sari M and Rezai M, 2019. Effect of a short-term training on intake of Halocnemum strobilaceum forage by sheep. Applied Animal Behaviour Science 213:74-80.
Santra A, Chaturvedi OH, Tripathi MK, Kumar R and Karim SA, 2003. Effect of dietary sodium bicarbonate supplementation on fermentation characteristics and ciliate protozoal population in rumen of lambs. Small Ruminant Research 47(3):203-212.
Tosto MS, de Araújo GG, Pereira LG, de Carvalho GG, Ribeiro CV and Cirne LG, 2021. Intake, digestibility, nitrogen balance and performance of crossbreed Boer goats fed with diets containing saltbush (Atriplex nummularia L.) and spineless cactus (Opuntia ficus-indica). Tropical Animal Health and Production 53(3):1-10.
Van Soest PJ, Robertson JB and Lewis BA, 1991. Symposium: carbohydrate methodology, metabolism, and nutritional implications in dairy cattle. Journal of Dairy Science 74(10): 3583-3597.
Williams AG and Coleman GS, 1992. Role of protozoa in the rumen. In The Rumen Protozoa (317-347). Springer, New York.