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

Article

Abstract

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.

Keywords

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

Abbreviations

ADF

Acid detergent fiber

ADL

Acid detergent lignin

BW

Body weight

CSC

Cottonseed cake

CP

Crude protein

DM

Dry matter

LSC

Linseed cake

NDF

Neutral detergent fiber

NSC

Noug seed cake

OM

Organic matter

WB

Wheat bran

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

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

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