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Tropical Animal Health and Production

, Volume 41, Issue 3, pp 329–336 | Cite as

Performance of growing indigenous goats fed diets based on urban market crop wastes

  • C. B. Katongole
  • E. N. Sabiiti
  • F. B. Bareeba
  • I. LedinEmail author
Original Paper

Abstract

The effect of feeding diets including market crop wastes (sweet potato vines (Ipomoea batatas) and scarlet eggplant (Solanum aethiopicum)) on growth and digestibility was studied using 32 indigenous intact growing male goats. Adding elephant grass (Pennisetum purpureum), maize bran and Leucaena leucocephala leaves, four isocaloric and isonitrogenous diets (Sweet potato vines, Solanum, Mixed and Control) were formulated. After the growth trial, 12 goats were randomly selected for a digestibility trial with the same diets, and 8 goats for a feed preference test comparing the market wastes and elephant grass. Crude protein (CP) intake was highest (P < 0.05) for the Control (48 g/day) and lowest for the Sweet potato vines diet (23 g/day). Average daily gain was between 11.0 and 14.2 g/day, and similar between diets. The DM and CP digestibilities of the diets were 0.56 and 0.56 (Control), 0.62 and 0.56 (Mixed), 0.59 and 0.49 (Sweet potato vines), and 0.54 and 0.45 (Solanum), respectively. Faecal and urinary N excretions were highest in goats fed the Sweet potato vines and Solanum diets. Eggplant wastes were the least (P < 0.05) preferred. On average the goats spent 5% of their 8-hour time eating eggplant wastes, 34% on sweet potato vines and 36% on elephant grass. Growth performance and N retention were low due to the low intake of feed, especially eggplant wastes.

Keywords

Feed preference Ipomoea batatas Solanum aethiopicum Urban market crop wastes 

Abbreviations

ADF

acid detergent fibre

ADG

average daily gain

ADL

acid detergent lignin

BW

body weight

CP

crude protein

DCP

digestible crude protein

DM

dry matter

DMI

dry matter intake

FCR

feed conversion ratio

ME

metabolisable energy

N

nitrogen

NDF

neutral detergent fibre

P

probability

SD

standard deviation

SE

standard error of means

Notes

Acknowledgement

The authors gratefully acknowledge the Swedish International Development Agency/Department for Research Cooperation with Developing Countries (Sida/SAREC) for funding this study.

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • C. B. Katongole
    • 1
  • E. N. Sabiiti
    • 2
  • F. B. Bareeba
    • 1
  • I. Ledin
    • 3
    Email author
  1. 1.Department of Animal ScienceMakerere UniversityKampalaUganda
  2. 2.Department of Crop ScienceMakerere UniversityKampalaUganda
  3. 3.Department of Animal Nutrition and ManagementSwedish University of Agricultural SciencesUppsalaSweden

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