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Blood meal

Summary

Blood meal is a dry, inert powder made from blood, used as a high-nitrogen organic fertilizer and a high protein animal feed. N = 13.25%, P = 1.0%, K = 0.6%. It is one of the highest non-synthetic sources of nitrogen. It usually comes from cattle or hogs as a slaughterhouse by-product.

Uses edit

Dietary supplement edit

Blood meal can be used as a livestock dietary supplement and is mainly added to supply dietary lysine for cattle, fish and poultry.[1] Prior to use, it is sometimes mixed with molasses.[2]

Organic fertilizers edit

Blood meal, bone meal, and other animal by-products are permitted in certified organic production as soil amendments, though they cannot be fed to organic livestock. Blood meal is different from bone meal in that blood meal contains a higher amount of nitrogen, while bone meal contains phosphorus. Alternatives to Blood Meal include feather meal and alfalfa meal.[3] Blood meal is sometimes used as a composting activator.[4]

Pest control edit

Blood meal can be spread on gardens to deter pest animals such as rabbits. The theory is that the animals smell the blood and are repelled by the odor.[5][6]

Classifications edit

  • It is a proteinaceous concentrate according to classifications of feed.
  • It is a protein-yielding feedstuff according to classifications of feedstuffs.

Processing edit

Blood needs to be dried before being used as blood meal. Several drying methods are available: solar drying, oven drying, drum drying, flash drying or spray drying.[7]

See also edit

References edit

  1. ^ Henry, William Arnon; Morrison, Frank Barron (1915). Feeds and feeding: a hand-book for the student and stockman. Henry-Morrison. p. 184.
  2. ^ King'ori, AM; Tuitoek, JK; Muiruri, HK (1998). "Comparison of fermented dried blood meal and cooked dried blood meal as protein supplements for growing pigs". Tropical Animal Health and Production. 30 (3): 191–6. doi:10.1023/a:1005015804804. PMID 9719848. S2CID 28241258.
  3. ^ "Using Blood Meal To Improve Your Garden Soil".
  4. ^ "University of Illinois Extension". Composting For The Home Owner. Retrieved 2 September 2016.
  5. ^ Bradley, Fern Marshall; Ellis, Barbara W. (1997). Review: Rodale's All-New Encyclopedia of Organic Gardening: The Indispensable Resource for Every Gardener. Rodale Press. p. 11. ISBN 978-0-87596-743-1.
  6. ^ Poisson, Leandre; Vogel Poisson, Gretchen (1994). Solar gardening: growing vegetables year-round the American intensive way. Chelsea Green Publishing. p. 103. ISBN 978-0-930031-69-5.
  7. ^ Heuzé V., Tran G., 2016. Blood meal. Feedipedia, a programme by INRA, CIRAD, AFZ and FAO. https://www.feedipedia.org/node/221 Last updated on March 31, 2016, 10:31