animal waste Articles

  • Matching of an anaerobic animal waste digester with a dual-fuel generator unit

    This paper describes a scientific method for matching an anaerobic fermentation digester using animal dung with a diesel engine power-generating unit, in such a way as to specify the digester capacity to be suitable for various specific energy needs. An experimental model consisting of an Indian-type digester connected to a constant speed, single cylinder 3 kW diesel engine, was designed, ...


    By Inderscience Publishers

  • Animal Manure or Sludge Organic Fertilizer Production

    Introduction of Animal Manure or Sludge Organic Fertilizer Production Line Organic fertilizer production line is designed for producing organic fertilizer from animal manure or sludge, without any chemical ingredients. As chickens, pigs have a poor digestion, can only consume 25% of the nutrients, so other 75% of feed nutrients with feces discharge can be produced to the dry ...

  • Butchers beef up their animal incinerator capacity

    They were so pleased with their last one that they have come back to us again. After reading this headline you may be wondering just why on earth a butcher would need an animal incinerator, but in fact the answer is rather simple and when this particular butcher decided that it was time to invest in a new model they had no hesitation whatsoever in coming back to us. Our ...

  • Simultaneous production of animal feed enzymes (endoxylanase and endoglucanase) by Penicillium janthinellum from waste jute caddies

      Background In West Bengal, India, a huge amount of lignocellulosic jute waste products, in the form of unutilized cut pieces of jute caddies consisting 65% cellulose, 22.5% hemicellulose, and 11% lignin, is generated from jute industries. Naturally, the high percentage of lignocellulolytic material made it an attractive substrate for the hydrolytic cleavage of lignocellulolytic enzymes, ...

  • Managing waste from confined animal feeding operations in the United States: the need for sanitary reform

    Confined food-animal operations in the United States produce more than 40 times the amount of waste than human biosolids generated from US wastewater treatment plants. Unlike biosolids, which must meet regulatory standards for pathogen levels, vector attraction reduction and metal content, no treatment is required of waste from animal agriculture. This omission is of concern based on dramatic ...


    By IWA Publishing

  • Can mountains of animal bones boost food security in Ethiopia?

    By turning a wasted resource into fertilizer, researchers aim to help a hungry nation replenish depleted soils As unemployed young men pick through trash heaps near Jimma University in southwestern Ethiopia to find treasures to sell, they search for one of the hottest resources in demand at the moment: discarded animal bones. ...


    By Ensia

  • Hot spots in animal agriculture, emerging federal environmental policies and the potential for efficiency and innovation offsets

    In North America and Northern Europe, high livestock densities in concentrated areas (hot spots) have led to manure surpluses, which have resulted in water pollution problems. Using the emerging policy objectives for animal waste in the European Union and the USA as a backdrop, this paper discusses the impact of environmental regulation on farm profits. A theoretical model of the farm is ...


    By Inderscience Publishers

  • Electrochemical oxidation of tetracycline antibiotics using a Ti/IrO2 anode for wastewater treatment of animal husbandry

    In animal husbandry, antibiotics are widely used to treat and prevent diseases or to promote growth. The use of antibiotics for domestic animals enables to promote safety of livestock products and enhance productivity. Tetracycline antibiotics (TCs) are one of the primarily used groups of antibiotics for cattle and swine. However, the unintentional spreading of antibiotics from animal waste to ...


    By IWA Publishing

  • Greenhouse gas, animal performance, and bacterial population structure responses to dietary monensin fed to dairy cows

    Received for publication January 27, 2009. The present study investigated the effects of a feed additive and rumen microbial modifier, monensin sodium (monensin), on selected variables in lactating dairy cows. Monensin fed cows (MON, 600 mg d–1) were compared with untreated control cows (CON, 0 mg d–1) with respect to the effects of monensin on the production of three greenhouse gases (GHG), ...

  • Convert Agriculture Waste Into Energy

    India is mainly an agricultural county and is also the largest contributors in the GDP of the country. Agriculture provides employment to a huge population of the rural India. This was not the case suddenly post-independence in India. Various steps were taken to make India as a reliable agricultural country. Steps such as green revolution were taken in several five years plan. This has made India ...


    By Jay Khodiyar Machine Tools

  • Redefining ag-wastes as coproducts

    Alan Doering doesn’t have the word “waste” in his vocabulary. As the scientist heading up the Agricultural Utilization Research Institute’s (AURI) coproduct utilization program, Doering sees crop residue, agricultural processing leftovers and biomass as products with value worth exploring. “Every leftover or coproduct has a value,” Doering says. “Our goal is to find the best use with the highest ...


    By BioCycle Magazine

  • Worth the wait, not the waste (part 3)

    And now the happy conclusion of our holiday serial! (In case you missed them, read part 1 and part 2.) After finding not a scrap or morsel for their winter’s nap, Luna the owl tells the barnyard animals what the farm ...


    By Eco Partners, Inc.

  • Reducing the Environmental Impact of Cows` Waste

    No disrespect to cows, but they produce a lot of gas. And while farmers may be unfazed by the smell, the gas is methane, one of the most potent greenhouse gases. Across the globe, livestock spew 14.5 percent of all greenhouse gases (methane, carbon dioxide, nitrous oxide and fluorinated gases) released in the environment, and over half that comes specifically from cows, according to a United ...


    By Ohio State University

  • Waste stream utilisation for sustainable viticulture

    ABSTRACTField trials were established at four vineyards in January 1999 to evaluate the effects of four mulch mixtures on different soil and plant parameters. Mulches were made from wine industry and other commercially available plant and animal wastes. Soil, grape petioles, grape leaves and grape juice were analysed over three seasons. The mulches applied released considerable quantities of ...


    By IWA Publishing

  • Filter manure slurries directly before, after, or in place of anearobic digesters with a reverse osmosis VSEP membrane system, providing potable water for the animals and a concentrated nutrient feedstock for fertilizer.

    If constructed and managed properly, the age-old lagoon method of manure handling is a reliable method of storing and treating livestock waste. Lagoon storage followed by sprayfield application on local farms has proven to be a very symbiotic and effective method throughout the ages. However, the recent trend in the hog production and the cattle industry is towards larger centralized operations ...


    By New Logic Research, Inc.

  • Project aims to produce fertilizer from wastes

    With the highest cattle density in northeastern Wisconsin and urban sprawl sprawling, Brown County has accelerated its investigation into how to handle growing amounts of dairy manure and industrial wastes spread on a diminishing land base.Applying waste on limited crop acreage has led to groundwater contamination issues and pollution problems of lower Green Bay.The solution lies in a value-added ...


    By FEECO International, Inc.

  • Prairie `agri-preneurs` battle megafarm waste

    Gwyn Morgan is the retired founding CEO of EnCana Corp. The revolting image of foaming green sludge washed up on a Lake Winnipeg beach in the Aug. 24 edition of Maclean's is part of, as the accompanying article states: "a putrid green mat, twice the size of PEI, and clearly visible from space ... The culprit isn't oil spills, toxic waste or even pesticides, but nutrient overloading from ...


    By Himark bioGas Inc

  • Ohio Takes Aim At Food Waste Composting

    WHILE RECYCLING of paper and yard trimmings have grown rapidly in Ohio in the last 30 years - now up to 50 percent for paper and 62 percent for green materials, the recovery rate for food residuals is at less than three percent of nearly 96 million tons generated annually. To turn things around, the Ohio EPA and its Solid Waste Management Division have teamed up to get the word out about ...


    By BioCycle Magazine

  • Extraction of astaxanthin esters from shrimp waste by chemical and microbial methods

    Carotenoid pigments are the most important and numerous pigments that are found in nature. These compounds soluble in lipids are the factors that produce yellow-red color in plant and animal products. In this group of pigments astaxanthin has important applications in human and animal food industries specifically neutracutical  pharmaceutical and cosmetic industries. The Food and Drug ...


    By University of Tehran

  • Season matters when sampling streams for swine CAFO waste pollution impacts

    Concentrated (or confined) animal feed operations (CAFOs) are the principal means of livestock production in the United States, and such facilities pollute nearby waterways because of their waste management practices; CAFO waste is pumped from the confinement structure into a cesspit and sprayed on a field. Stocking Head Creek is located in eastern North Carolina, a state with >9,000,000 ...


    By IWA Publishing

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