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Chilean Journal of Agricultural Research
Instituto de Investigaciones Agropecuarias, INIA
ISSN: 0718-5820
EISSN: 0718-5839
Vol. 75, No. 3, 2015, pp. 307-312
Bioline Code: cj15041
Full paper language: English
Document type: Research Article
Document available free of charge

Chilean Journal of Agricultural Research, Vol. 75, No. 3, 2015, pp. 307-312

 en Carcass and non-carcass characteristics of sheep fed on cassava ( Manihot pseudoglaziovii check for this species in other resources Pax & K. Hoffm.)
Maciel, Michel V.; Carvalho, Francisco F.R.; Batista, Ângela M.V.; Guim, Adriana; Souza, Evaristo J.O.; Maciel, Laura P.A.A.; Pereira Neto, José D. & Lima Junior, Dorgival M.


Sheep production systems installed in the semi-arid region of Brazil depend on the forage support the ‘caatinga’ biome. This study aimed at evaluating the substitution of hybrid ‘Tifton 85’ ( Cynodon check for this species in other resources spp.) by cassava ( Manihot pseudoglaziovii check for this species in other resources Pax & K. Hoffm.) hay or silage on the components of sheep’s’ body weight. Twenty-four animals, with no defined breed, were used for the study, with an initial body weight of 19.77 ± 1.95 kg and an average age of 6-mo, being divided into three treatments (‘Tifton 85’ hay, cassava silage, and cassava hay). The animals were slaughtered at 56 d and all the body parts of the animals were weighed. Data were subjected to ANOVA and mean comparison test (P = 0.05). Means were superior (P < 0.05) for DM intake and contents of the gastrointestinal tract (CGT) with values of 1.17 kg d-1 and 4.84 kg for cassava hay, respectively. There was no significant difference (P > 0.05) for body weight at slaughter and cold carcass weight, which had means of 28.10 and 12.38 kg, respectively. The hot carcass and leg yields showed values of 58% and 34%, respectively, and were not influenced (P > 0.05) by different forages. The constituents that were not components of the carcass, organs, offal, and by-products were not affected by the replacement of ‘Tifton 85’ hay by cassava hay or silage. Cassava hay or silage can replace ‘Tifton 85’ hay for feeding sheep in complete diets without compromising their body components’ yields and weights.

Caatinga; commercial cuts; forage conservation; Manihot; non-carcass body components

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