Tropical Animal Health and Production

, Volume 42, Issue 4, pp 623–631 | Cite as

Supplementation of cottonseed, linseed, and noug seed cakes on feed intake, digestibility, body weight, and carcass parameters of Sidama goats

  • Wondwosen Alemu
  • Solomon MelakuEmail author
  • Adugna Tolera


A digestibility, feed intake, and carcass evaluation experiment using 20 yearling intact male Sidama goats weighing 16.4 ± 0.63 kg (mean ± SD) was conducted in Ethiopia with the objectives to determine feed intake, digestibility, body weight (BW) gain, and carcass parameters. The treatments included feeding natural pasture hay (T1, control) and supplementation with cottonseed cake (284 g—T2), linseed cake (250 g—T3), and noug seed cake (296 g—T4) on dry matter (DM) basis to supply 85 g crude protein (CP) per head per day. Randomized complete block design for feed intake and BW parameters and complete randomized design for digestibility and carcass parameters were used. Hay DM intake was higher (P < 0.01) for T1 than for the other treatments. T3 promoted higher (P < 0.01) DM (29.3 g/kg W0.75/day) and CP (14.1 g/kg W0.75/day) intake than T4 (8.9 g/kg W0.75/day DM and 4.1 g/kg W0.75/day CP). T3 showed better (P < 0.05) organic matter and CP digestibility than T2. Goats in T3 had higher nitrogen intake (P < 0.01) and retention (P < 0.05) than those in T1. Goats in T2 and T3 showed higher (P < 0.05) daily BW gain and final BW than those in T4 and T1. Goats in T2 and T3 had higher (P < 0.05) slaughter weight, empty BW, hot carcass weight, rib-eye muscle area, and dressing percentage on slaughter weight basis than those in T1. The results showed that T2 and T3 had similar effect on CP intake, daily BW gain, and carcass parameters for growing Sidama goats fed natural pasture hay.


Body weight Digestibility Feed intake Nitrogen retention Oil seed cakes Sidama goats 



Acid detergent fiber


Acid detergent lignin


Body weight


Cottonseed cake


Crude protein


Dry matter


Linseed cake


Neutral detergent fiber


Noug seed cake


Organic matter


Wheat bran


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Wondwosen Alemu
    • 1
  • Solomon Melaku
    • 1
    Email author
  • Adugna Tolera
    • 2
  1. 1.Department of Animal SciencesHaramaya UniversityDire DawaEthiopia
  2. 2.Department of Animal and Range SciencesHawassa UniversityAwassaEthiopia

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