24,693 research outputs found

    TRAP CROP RADISH: A SUSTAINABLE ALTERNATIVE FOR NEMATICIDE IN SUGAR BEETS

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    Chemical treatment of nematodes in sugar beets can be very costly ($190 per acre), and hazardous, representing significant environmental risks to air, water and human health. Substituting trap crop radish for chemicals, represents a win-win case of sustainable pest control, yielding environmental benefits, higher profit and reduced risk.Crop Production/Industries,

    Feeding Ourselves Thirsty: How the Food Sector is Managing Global Water Risks

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    The global food sector faces extraordinary risks from the twin challenges of water scarcity and water pollution. Growing competition for water, combined with weak regulations, failing infrastructure, pollution and climate change impacts threaten the sector's water security and contribute to a water availability emergency that was recently ranked the world's "top global risk" by the World Economic Forum.This report examines how water risks affect the profitability and competitive positioning of 37 major food sector companies in four industries: packaged food, beverage, meat and agricultural products. It evaluates and ranks these companies -- the majority of which are U.S. domiciled and publicly-traded -- on how well they are positioned to anticipate and mitigate these risks, as well as contribute to improved water resource management.The report provides recommendations for how analysts and investors can effectively evaluate food sector companies on their water risk exposure and management practices. It also provides recommendations for how food companies can improve water efficiency and water quality across their operations and supply chains to reduce risks and protect water resources

    SELECTED PAPER ABSTRACTS

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    Teaching/Communication/Extension/Profession,

    Evaluation of agro-industrial by-products as protein sources for duck production in the Mekong Delta of Vietnam

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    This thesis is based on four studies to determine the nutritive value and ileal and total tract amino acid digestibility of agro-industrial by-products, and the effects of inclusion of these by-products in diets on the biological performance of growing crossbred Muscovy and common ducks in the Mekong Delta, Vietnam. The results show that brewery waste (BW) was characterised by high protein content,good balance of essential amino acids, but high crude fibre content. The best growth performance was observed when 50% of the concentrate was replaced by BW for both Muscovy and common ducks. The crossbred Muscovies had better performance and gave higher economic benefit than the local Muscovies, and common ducks gave the lowest profit. BW could be offered either in mixed or separate feeding systems without any effects on performance and carcass yield (Paper I and II). Soya waste (SW) and ensiled shrimp waste (ESW) are good protein sources, but low in dry matter (DM) and methionine content (SW) and high in chitin content (ESW). The best performance in terms of growth rate and carcass quality was found with replacement of up to 60% of soybean meal by SW, and only 20% of fish meal by ESW, which gave the lowest feed costs (Paper III). The inclusion of ESW in diets for adult crossbred common ducks resulted in a linear decrease of the apparent total tract digestibility of dry matter, organic matter, ether extract, N free extract and N retention with increasing levels of ESW. The digestibility of individual amino acids followed a similar pattern to the nutrient digestibility. The apparent total tract digestibility of most individual amino acids was higher than the apparent ileal value (Paper IV). It can be concluded that from nutritive and economic apects the three agro-industrial byproducts evaluated have proven to be acceptable feed ingredients in duck diets. Replacement up to levels of 20% (ESW), 50% (BW) and 60% (SW) of fish meal, concentrate and soybean meal, respectively, in diets for growing crossbred ducks can be recommended under the conditions of the Mekong Delta

    A New England Food Vision

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    CURRENT ISSUES IN FOOD DISTRIBUTION

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    Discusses in detail major current issues, other than productivity, that are facing the food industry.Agribusiness,

    Influence of nutrient density and feed form on growth performance, nutrient digestibility and gastro intestinal tract development in broilers fed wheat-based diets : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Animal Science at Massey University, Manawatu, New Zealand

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    Figures 2.1.& 2.2 have been removed for copyright reasons but may be accessed via their source.This study investigated the influence of nutrient density and feed form, and their interaction on growth performance, nitrogen-corrected apparent metabolisable energy (AMEn) and upper gut components of broilers fed wheat-based diets for 35 d post-hatch. A completely randomised design was used, with a 5 x 2 factorial arrangement of 10 treatments (with 6 replicates, 8 birds per replicate) involving five dietary nutrient density, VL, very low nutrient density (11.71 MJ/kg AMEn, 13.44 g/kg lysine); L, low nutrient density (12.13 MJ/kg AMEn, 13.92 g/kg lysine); M, medium nutrient density (12.55 MJ/kg AMEn, 14.40 g/kg lysine); H, high nutrient density (12.97 MJ/kg AMEn, 14.88 g/kg lysine); VH, very high nutrient density (13.39 MJ/kg AMEn, 15.36 g/kg lysine) and two feed forms, mash vs. pellet. Nutrient density x feed form interaction was significant (P 0.05) on these parameters in other nutrient density diets. Feeding pellets lowered (P < 0.05) the CAID of N and starch. Pelleting significantly (P < 0.001) reduced the absolute weight of gizzard compared to mash diets. The gizzard pH of birds fed pellet diet was higher (P < 0.001) than those fed mash diets. In general, the current results show that the pellet-induced benefits on growth performance reduce as the nutrient density levels increase, highlighting the importance of considering nutrient density to maximise the benefits associated with pellet feeding
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