Showing 3 of 3 results for "feedstuffs"

 

  • Total and Digestible Tryptophan Contents of Feedstuffs for Poultry

    11 Feed and Nutrition FNThis report reviews the amino acid tryptophan which is an essential amino acid in the diet of Australian poultry. Reliable values of total and digestible tryptophan in feedstuffs are needed because tryptophan is often the third most limiting amino acid in poultry diets. Understanding the inclusion of tryptophan in poultry diets will also facilitate the strategic use of commercially available synthetic, feed-grade tryptophan in the Australian poultry industry.

  • Alternative protein sources for laying hens

    IMG 3The need to expand the protein options available to the poultry industry was the catalyst for this study. The increasing worldwide demand for chicken, particularly in developing countries, will mean that the poultry industry will need to come up with agriculturally and economically sustainable feedstuffs that will provide chickens with protein.

  • Reducing the use of animal by-product meals in layer diets

    UQ 103AEconomic constraints and public concerns have compelled the poultry industry to increasingly use a range of cheaper, alternative plant-derived feedstuffs in feed formulations and eliminate the use of animal by-product meals. However, use of such ingredients also increases the dietary levels of phytic acid which can have wide ranging ramifications on performance of egg production, quality and nutrient digestibility. This publication details several studies which examined the effectiveness of supplemental phytase in improving the availability of phosphorus, amino acids and energy from plant feed ingredients for laying hens.

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