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Information Journal Paper

Title

The Effects of Bacterial Inoculant and Prebiotic Additive on Chemical Composition, Gas Production and Aerobic Stability of Corn Silage

Pages

  179-193

Abstract

 Introduction: Ensiling is a popular preservative method for forage crops and some byproducts. In this process water soluble carbohydrates in forages are converted into lactic acid with Lactic Acid Bacteria and prevents nutrients losses by other microorganisms. Low dry matter in fresh forage may lead to higher losses of nutrients in efflunet or fermentation process. Moreover, corn silage are susceptible to spoilages by fungi. Deteriorated silages are rich in mycotoxins and some other harmfull components which may reduce dry matter intake, milk production and milk composition or may led to some acute or chronic disease in ruminatns. Whey Powder is a product with high potential to water absorbents which may reduce effluent production at ensilinbg high loisture forages. Lactobacillus buchnery is a lactic acid producing bacteria which produce acetic acid while producing latic acid. Acetic acid is an antifungal compound ahich may inhibit fungi development in silage. This study was conducted to determine the effects of whey poewser and a Lactic Acid Bacteria inoculant (Lalsil Fresh, containing Lactobacillus Buchneri) on chemical composition, pH, aeirobic stabilit and in vitro digestibility of corn silage. Materials and Methods: The whole-crop corn was harvested at 1/2 milky maturity stage. Treatments were: 1. Control (corn silage without any inoculant), 2. Corn silage treated with Whey Powder (1% or 10 kg per ton fresh forage) 3. Corn silage treated with Lalsil Fresh at 1. 8 × 10 6 colony forming unit per gram fresh forage and 4. Corn silage treated with Whey Powder (1% or 10 kg per ton fresh forage) and bacterial additive at 1. 8 × 10 6 colony forming unit per gram fresh forage. The additives were solved in water and then sparayed over forages and mixed throughtly. The same amount of water was applied to the control treatment. Laboratory PVC silos 70 cm in height, 10 cm in diameter with a sink at the bottom for measurement of seepage were used for ensiling the whole corn crops. Corn forage was ensiled in triplicate laboratory mini silos for 90 days at room temperature and in the dark. Results and Discussion: Effluent production was lower and concentration of dry matter (DM) was higher in prebiotic and bacterial treated silages when compared to control (P<0. 05). Lower efflunet production from corn silag can inhibit environmental pollution and also retain nutrients in sialge. Application of Whey Powder to corn silage resulted in silages with higher crude protein concentration and lower concentrations of cell wall compositions (P<0. 05). The pH value of silages was lower in bacterial inoculated treatments (P<0. 05) compared with control. This was maybe due to accelerated fermentation and rapid fall in pH. Treating corn silage with Whey Powder reduced aerobic stabilities of corn silages when they were exposed to the air (P<0. 05) due to higher concentration of water soluble carbohydrates. But, treating corn silage with Lalsil Fresh improved the aerobic stabilities of corn silages in comparition with control group (P<0. 05) due to higher ratio of acetate to lactate. Higher resistance of silage to spoilage can inhibit fungi from mycotoxin production and nutrients deterioration which led to better animal performance and health. The most potential of in vitro gas production and metabolisable energy (ME) concentration was measured in Whey Powder treatment (P<0. 05). Also, treating corn silage with the bacterial inoculant resulted an increase in potential of in vitro gas production and ME concentraion of corn sialge (P<0. 05). Higher energy content in corn silage may improve milk production and composition in dairy cattle. Conclusion: Results suggest that Whey Powder can improve nutritive value of corn silage by increasing dry matter and crude protein concentration and decreasing fiber. Also, Whey Powder reduces effluent production from corn silage which consequently prevents environmental pollution. Bacterial inoculant improves corn silage resistance to spoilage by fast falling in pH and improvement of aerobic stability. Higher resistance to spoilage in corn silage can increase milk production and prevents mycotoxin related diseases and problems in ruminants. Both Whey Powder and bacterial inoculant improve metabolisable energy concentration of corn silage which may lead to higher production in ruminants.

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    APA: Copy

    Alaei Baher, S., MOHAMMADZADEH, H., TAGHIZADEH, A., & HOSEINKHANI, A.. (2018). The Effects of Bacterial Inoculant and Prebiotic Additive on Chemical Composition, Gas Production and Aerobic Stability of Corn Silage. IRANIAN JOURNAL OF ANIMAL SCIENCE RESEARCH, 10(2 ), 179-193. SID. https://sid.ir/paper/384410/en

    Vancouver: Copy

    Alaei Baher S., MOHAMMADZADEH H., TAGHIZADEH A., HOSEINKHANI A.. The Effects of Bacterial Inoculant and Prebiotic Additive on Chemical Composition, Gas Production and Aerobic Stability of Corn Silage. IRANIAN JOURNAL OF ANIMAL SCIENCE RESEARCH[Internet]. 2018;10(2 ):179-193. Available from: https://sid.ir/paper/384410/en

    IEEE: Copy

    S. Alaei Baher, H. MOHAMMADZADEH, A. TAGHIZADEH, and A. HOSEINKHANI, “The Effects of Bacterial Inoculant and Prebiotic Additive on Chemical Composition, Gas Production and Aerobic Stability of Corn Silage,” IRANIAN JOURNAL OF ANIMAL SCIENCE RESEARCH, vol. 10, no. 2 , pp. 179–193, 2018, [Online]. Available: https://sid.ir/paper/384410/en

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