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Benefits of Micro-Aid Supplementation on Beef Feedlot Nutrient Mass Balance
February 8, 2012 - 2:50pm

Wet distillers grain plus soluble (WDGS) is a common ethanol co-product that may offer a cheaper alternative to traditional feed ingredients when fed to livestock. However, as dietary WDGS inclusion rate increases, so does the amount of nitrogen (N) intake, as well as the concurrent amount of N excreted. Consequently, a greater amount of N is lost via volatilization and exacerbates environmental concerns.  Therefore, the objective of this experiment was to determine the effect of feeding Micro-Aid® in WDGS diets on performance and nutrient mass balance.

Experimental Results:

  • Micro-Aid® reduced the percentage of N loss by 35%, which increased the amount of total N in manure by 47.5%. Combine this with the fact that organic matter in the manure was also increased by 44.5% and Micro-Aid® greatly increases the potential fertilizing value of feedlot manure when applied to land for crop production.
     
  • Phosphorus content of manure followed a similar trend as N with an increase due to Micro-Aid® of 46.6%. This further impacts the value of manure as a potential source of fertilizer for crop production.
     
  • Micro-Aid® is excreted along with fecal matter to continue working on the feedlot pen surface, where it enhances the activity of the microbial population responsible for the conversion of undigested nutrients (.e.g., N, P, C, etc.) into more stable organic compounds (i.e., organic matter in manure).

 

 

 

Benefits of Micro-Aid as an Alternative to 3-Nitro in Broilers
December 21, 2011 - 3:34pm

Recently, the U.S. Food and Drug Administration suspended the use of 3-Nitro because of increased levels of inorganic arsenic in the livers of chickens treated with 3-Nitro and concerns with the fact that arsenic is a known carcinogen. As a result, poultry producers are looking for safe and cost effective ways to replace the benefits that will be lost by the removal of 3-Nitro. Therefore, DPI conducted an experiment to determine if Micro-Aid® can serve as an alternative to 3-Nitro for optimum performance of broiler chickens treated with a coccidiosis vaccine.

Experimental Results:

  • <?xml:namespace prefix = o />Average live weight and feed conversion of birds fed Micro-Aid® was better than the Control birds and similar to the 3-Nitro group.
  • Based on this data, Micro-Aid® is a safe and cost effective way to replace the benefits potentially lost by the removal of 3-Nitro. Feed cost per kg of weight gain was reduced by $0.017 vs. those birds fed the Control diet.
  • Birds fed Micro-Aid® performed especially well in the finisher phase, which is a time period when 3-Nitro cannot be fed because of withdrawal requirements.