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The replacement of grass hay by cassava foliage hay or spineless cactus improves lamb performance
José Fábio Dos Santos Silva1, Mariah Tenorio de Carvalho Souza1, Marianna Suellen Bispo Vieira1
1Universidade Federal de Alagoas, Campus Arapiraca, Av. Manoel Severino Barbosa, s/n, Bom Sucesso, CEP, Arapiraca, AL, 57309-005, Brazil.
Abstract:
The aim of this study was to evaluate the effect of partial or total replacement of Tifton 85 hay with cassava foliage hay and/or spineless cactus on the weight gain, body measurements, ingestive behaviour, and parasite infection of confined sheep. Thirty-five non-castrated male lambs with no defined breed were housed in individual pens for 90 days. Five treatments in a complete mixture were offered twice a day: Tifton hay (TH), cassava foliage hay (CFH), Tifton hay + cassava foliage hay (TH + CFH), Tifton hay + spineless cactus (TH + SC), and cassava foliage hay + spineless cactus (CFH + SC). The data were evaluated by analysis of variance and Tukey's test at 5% probability. The dry matter and crude protein intake were higher in sheep fed CFH and CFH + SC than sheep fed TH. Animals fed TH + SC presented a higher average daily gain (0.215 g) than sheep fed TH (0.125 g). The addition of spineless cactus to the diet with Tifton hay increased the feed efficiency by approximately 100% but did not affect the faecal egg count/g. The use of cassava foliage hay and its association with spineless cactus is recommended for the replacement of Tifton 85 hay in the diet of confined sheep.
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