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Article
Publication date: 17 July 2009

Toheeb Oluwakemi Bawala, Akintunde Olaleye Akinsoyinu and Azeez Olanrewaju Yusuf

The purpose of this paper is to determine the effect of dietary sulphur supplementation from elemental sulphur on the growth performance, nitrogen (N) and sulphur (S…

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Abstract

Purpose

The purpose of this paper is to determine the effect of dietary sulphur supplementation from elemental sulphur on the growth performance, nitrogen (N) and sulphur (S) utilisation, rumen microbial volatile fatty acids production, acid/base balance, serum biochemical status and haematological profile of young West African dwarf and Red Sokoto (Maradi) goats, with a view of improving their nutrition for greater performance.

Design/methodology/approach

Twenty‐four (12 of each) growing West African dwarf and Red Sokoto goats were fed isonitrogenous (17 per cent) and isocaloric (3.98 Mcal/kgDM) treatments containing varying levels of elemental sulphur at (percentage DM) 0.00, 0.15 and 0.20 in a 2×3 factorial arrangement within randomized complete block design. After a 61 day feeding trial, the performances of the goats were assessed and compared.

Findings

The results showed that S supplementation increased (p<0.05) weight gain and feed efficiency in the fed goats with those on 0.20 per cent S level recorded highest values. Similar trends were observed for N and S retention, haematological and serum biochemical studies. S supplementation did not influence (p>0.05) ruminal pH, lactate and acid/base balance. Increased dietary S inclusion increased (p<0.05) molar proportions of acetate and priopionate.

Practical implications

Owing to the outstanding performances of goats fed 0.15 and 0.20 per cent S dietary levels relative to their contemporaries on an unsupplemented (0.00 per cent) S diet, inclusion of S in the diet of growing animals becomes necessary for optimal production.

Originality/value

The paper provides information on the influence of sulphur on animal performance as poor nutrition constitutes a limiting factor to animal production.

Details

Nutrition & Food Science, vol. 39 no. 4
Type: Research Article
ISSN: 0034-6659

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Article
Publication date: 1 November 2006

Toheeb Oluwakemi Bawala and Akintunde Olaleye Akinsoyinu

High cost of feed forms a major constraint to livestock production in Nigeria. The purpose of this paper is to show how improved nutritional strategies such as…

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Abstract

Purpose

High cost of feed forms a major constraint to livestock production in Nigeria. The purpose of this paper is to show how improved nutritional strategies such as incorporation of unconventional feed resources, such as rumen epithelial tissue scrapings (RETS), which are cheap in cost and availability into the livestock diets, can reduce feed cost and hence achieve a greater profit with a optimal animal performance, become imperative.

Design/methodology/approach

Fifteen lactating West African dwarf goats were randomly allotted into each of three dietary groups (A, B and C) of five animals in a completely randomized design. Each diet contained one of the three dietary protein sources, namely, urea (A), RETS (B) and groundnut cake (GNC) (C) representing non‐protein nitrogen, unconventional natural protein and conventional natural protein sources respectively. After 90 day feeding trial, the performances (dry matter intake, weight gain, milk yield/composition and the blood chemistry) of the goats fed with RETS diet (B) were assessed and compared with those of other two groups (A and C) fed with urea and GNC diets respectively.

Findings

The result show that goats fed with RETS and GNC diets had similar performances and performed better than those fed with urea diet.

Practical implications

RETS is inexpensive and portends no danger to animal health on account of toxicity, as compared to GNC and urea respectively. Its' inclusion in goat diet, however, gives a least cost wholesome ration formula.

Original/value

Nutrition accounts for a greater proportion of production cost expenses in livestock industry. The results indicate that the cost of production can be minimized with the utilization of unconventional feed resources in goat nutrition for farmers to achieve the maximum profit.

Details

Nutrition & Food Science, vol. 36 no. 6
Type: Research Article
ISSN: 0034-6659

Keywords

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