University of Khartoum

Nutritive Evaluation of Fruits of Some Acacia Trees as Animal Feed

Nutritive Evaluation of Fruits of Some Acacia Trees as Animal Feed

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Title: Nutritive Evaluation of Fruits of Some Acacia Trees as Animal Feed
Author: Abd Elwhaab, Salma Abdelrheem
Abstract: A comparative study was conducted to evaluate the chemical composition and nutritive value of four browse species shrubAcacia mellifera(kitir),Acacia tortilis (seyal),Acacia nilotica(sunt) and Acacia seyal var .seyal (L.) De ( taleh). Browse species fruits(pods and seeds) were collected manually from Bahri city located in Khartoum state , then air dried ground .Samples were analyzed for dry matter (DM), crude protein (CP), ether extract (EE),ash , crude fiber (CF), nitrogen –free extract (NFE), digestibility and tannin and saponin contents.The result revealed that C.P was significantly (P<0.05) different among browse species. A.melliferarecorded the highest value (22.7%) of C.P, and the lowest value (12.54%) of C.F. while A.nilotica recorded the lowest value (16.68%) of C. P and the highest value (20.58%) of C.F. According to dry matter digestibility, significant difference (P<0.05) was found between browse species. A.tortilishad the highest value (67.24%) while A.nilotica had the lowest value (54.48%).Tannin contentrangedbetween (3.68%) forA.nilotica and (0.46%) for A.mellifera , saponin ranged between (0.054%)for A.tortilisand (0.12%) forA. mellifera .The gas production after 96 hrs incubation ranked as flow 36.3, 34.4 , 31.7 and 31.2 ml/ 200 mg of substrate for A. tortilis , A. mellifera, A. seyal andA. nilotica respectively.This study showed that Acacia fruits (Pods and seeds) could provide part of the solution to shortage of protein in feedstuffs during the dry season is high content of CP and low content of CF. In addition to that, tannin content for most browse species was not high to the degree that can be toxic to animals or lower their digestibility in contrary; it can be beneficial because it increases the protein by pass. This study recommends that further studies on this subject should cover toxicity and body weight gain produced on browse and based ration
URI: http://khartoumspace.uofk.edu/123456789/26109


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