Role of Bacterial Treatments for Upgrading Nutritive Value of Bean Straw and Native Goats Performance

Etab Ramadan Ibrahim Abd El-Galil ; Ebtehag, I. M ; Abou-Elenin 


Abstract


Twenty baladi kids (16.20 ±0.52 kg; four months age) were divided into four equal groups (five animals each). The animals were randomly assigned using a complete randomize design to receive one of the four rations for 90 days. All animals fed 50% concentrate feed mixture plus one of the roughages as follows: 50% rice straw (R1), 50% untreated bean straw (R2), 50% bean straw treated with Bacillus sp. (R3) and 50% bean straw treated with Ruminococcus albus (R4). Four digestion trails were carried out using metabolic cages to determine nutrients digestibility and feeding values. In addition, some rumen and blood parameters of experimental rations were determined. Data obtained revealed that treated bean straw with Ruminococcus albus (R4) was the highest CP and the lowest value of CF, ADF, ADL and cellulose. No significant differences were observed in total dry matter intake DMI (kg/ h/d) among R2, R3 and R4. Total gain, average daily gain (ADG) and feed efficiency (kg gain/kg DMI) were significantly (P<0.05) higher for R4 and R3 followed with R2 then R1. Bean straw treated with Bacillus sp. Or Ruminococcus albus had significantly (P<0.05) higher digestibilities of OM, CP, CF, EE, NFE, NDF, ADF and cellulose % than bean straw without treatment (R1) or control ration (R1). Total digestible nutrient (TDN) and digestible crude protein (DCP) had significantly (P<0.05) higher values for R4 (67.76% and 10.32%) and R3 (66.88% and 10.05%) than those of R2 (63.55% and 7.28%) then R1 (62.15% and 5.36%), respectively. Total volatile fatty acids (TVFA’s) mean value and blood total protein for R4 was significantly higher (12.97 m.equ./100ml and 12.07 mg/100ml, respectively) than that of R3 then R2, and the lowest value was observed with R1. Further more, rumen ammonia NH3-N (13.95mg/100ml) and blood plasma urea (10.63 mg/100ml) were recorded significant higher values (P<0.05) for R4 and R3 than those of R2 and R1, while creatinine had no significant differences among all treatments. It was concluded that treatment of 50% bean straw treated with bacteria (Ruminococcus or Bacillus) improved its nutrient digestibility, ADG, and feed efficiency.


Other data

Keywords bean straw, biological treatments, feeding values, performance, goats
Issue Date May-2011
Publisher editor@americanscience.org
Journal Journal of American Science 2011;7(5):502-510 
URI http://research.asu.edu.eg/handle/123456789/155828


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