Ukanwoko And Nwachukwu

Ukanwoko and Nwachukwu

Greener Journal of Agricultural Sciences Vol. 7 (2), pp. 054-059, March 2017.

 ISSN: 2276-7770 

Research Article

Manuscript Number: 032317044


(DOI: http://doi.org/10.15580/GJAS.2017.2.032317044)

 

Nutrient
and Anti-Nutritional Composition of Crop Residues and Kitchen Wastes Fed to
Small Ruminants in Choba, Port Harcourt

 

A.I.
Ukanwoko*and J. Nwachukwu

 

Department of Animal
Science,University of Port Harcourt.P. M. B. 5323 Choba, Port Harcourt, Rivers
State.Nigeria.


Abstract

The study was carried
out to determine the nutrient composition, anti-nutritional factors and mineral
content of crop residues and kitchen wastes fed to small ruminants in Choba and
to ascertain the best crop residues and kitchen wastes suitable to these
animals.

The samples of crop
residues and kitchen wastes commonly fed to small ruminants were collected from
farms, home of farmers and restaurants around the study area.

They were dried and
analysed for moisture content, crude protein, crude fibre, ether extract, and
ash and nitrogen free extract. The anti-nutritional factors (saponins, tannins
and phytate) were checked and the mineral content (calcium, potassium,
phosphorus, magnesium and sodium) were also analysed. The data obtained were
subjected to analysis of variance (ANOVA).

The results gotten
showed that the nutrient composition, anti-nutritional factors and mineral
content were significantly different (P<0.05). These crop residues and
kitchen wastes (maize cob, vegetable residues, ripe plantain peels, cassava
leaves, cassava peels, yam peels, cocoyam peels and banana peels) showed low
levels of anti-nutrients within tolerable levels (3% for saponins and 2% for
tannins) for small ruminants. Cowpea pod (4.85%), pineapple wastes (5.02%) and
banana peels (3.00%) had tannin levels higher than the recommended 2% for small
ruminants and as such need further processing to reduce their tannin levels.
All the crop residues and kitchen wastes had adequate levels of minerals
especially calcium and phosphorus and their nutrient compositions fell within
the requirements for small ruminants. Therefore, these crop residues and
kitchen wastes should be used for small ruminant feeding.

 

Keywords: Crude protein, goats,
minerals, nutrient composition, saponins, sheep, tannins

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