Dairy Barns Articles

  • 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

  • 3 Tips on How to Keep Dairy Barns Bird-Free

    Controlling birds around farm buildings can take time out of your already strict daily routines. Nuisance birds like pigeons, starlings and barn swallows don’t care about anyone’s schedule but their own. Unfortunately, sharing the barn with pest birds isn’t sanitary and the costs and dangers of birds in dairy and livestock operations can add up quickly! See how to keep ...


    By Avian Enterprises, LLC

  • Florida Dairy Succeeds With AD System

    North Florida dairy with 6,100 mature cows and 5,500 replacements installed anaerobic digestion system that is yielding multiple benefits. Dairy farming in Florida has financial and logistical challenges, including hot, humid summers; high electrical costs; access to fresh water; odor; greenhouse emissions and sandy soil issues. Alliance Dairies in Trenton, Florida has found sustainable ...


    By BioCycle Magazine

  • Dairy Digester Opens Doors On Maryland Farm

    Kilby Inc., a 600-cow dairy operation located in Colora, Maryland, has the only operational commercial anaerobic digestion (AD) system in the state. In 2009, Kilby Inc. (the dairy farm and milk production business) began construction of a covered lagoon digester, which started operating in March 2011. The digester input consists of flushed cow manure (98% by volume) and food waste (2%), including ...


    By BioCycle Magazine

  • Huxley hutterite brethren colony case study

    A. Farm Description Barn Type: 80 stall free stall barn with saw dust on floor. Manure Handling: Barn houses 80 cows over 8 pits, each 7 feet deep and 12 feet wide. Manure is stored under the slatted floor for 6 months and then agitated and pumped out. B. The Problems: As the pits are pumped ammonia levels rise significantly resulting in problems for barn staff ...


    By Nordevco Associates Ltd.

  • Effects of reducing dietary nitrogen on ammonia emissions from manure on the floor of a naturally ventilated free stall dairy barn at low (0–20°C) temperatures

    Received for publication December 30, 2008. This study was conducted to determine the potential for reducing ammonia (NH3) emissions from manure deposited on the floor of a naturally ventilated free stall barn by mid-lactation dairy cows fed reduced or normal N diets. Two crude protein (CP) diets (178 g kg–1 [high] and 159 g kg–1 [low] dry matter ), were used. The diets were fed to 48 Holstein ...

  • Farm digesters for small dairies in Vermont

    THROUGH its award-winning Cow Power program, Central Vermont Public Service (CVPS), a Vermont utility headquartered in the city of Rutland, is helping dairy farmers diversify their incomes by turning manure into electricity. The farmers process manure in anaerobic digesters to generate power, which CVPS customers voluntarily pay a premium to purchase. In addition to income from electricity sales, ...


    By BioCycle Magazine

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