Livestock Production and Drinking Water


Published on

At Whitney Young Elementary I mentored Students on how to create and research a presentation regarding the negative effects of Livestock Production and our drinking water sources. We created a powerpoint presentation together and later printed the slides to show on a science project poster board. It was great creating it.

  • Be the first to comment

  • Be the first to like this

No Downloads
Total views
On SlideShare
From Embeds
Number of Embeds
Embeds 0
No embeds

No notes for slide

Livestock Production and Drinking Water

  1. 1. LIVESTOCK PRODUCTION: Its contribution to water pollution
  2. 2. What is livestock? Estimated number of animals slaughtered through the course of 1 year in the U.S. 2.56 million Cattle 60,200 Calves 9.04 million Hogs 165,400 Sheep 246.8 million Turkeys 8,683 million Chickens Livestock refers to one or more domesticated animals raised in an agricultural setting to produce commodities such as food, fiber, and labor. For the purposes of this presentation we will be referring to livestock as animals commonly raised in the U.S. for food. Cattle, poultry, and hogs or pigs.
  3. 3. Aspects of Livestock ProductionAgriculture – One of the largest contributor to waterwaste and pollution is industrial agriculture for feedcropsDeforestation to make space for grazing land – Inorder to make space for grazing land, forests are cutand burned down negatively impacting globalwarmingFarm Buildings and Slaughter – Industrial meatproduction results in crowded animal holdings, whichproduces massive waste. There is little room forproper waste control in today’s fast rate of animalslaughter and meat packaging
  4. 4. Aspects of Livestock Production Agriculture Irrigation – watering of field crops • Irrigated agriculture is the primary user of diverted water globally • Responsible for the depletion of fossil water reserves; underground aquifers are drying out • One major river in ten no longer flow into the sea for several months as a result of its water being piped for crop irrigation • Irrigation Management currently focuses in production rather than sustainability 70% or more of the Colorado River is diverted through pipes to irrigate 3.5 million acres of cropland“Home” Documentary Film, Nils. Water Pollution from Agriculture. Journalp. 789-795, 1975
  5. 5. Aspects of Livestock Production Agriculture Fertilizers/Pesticides/Herbicides – synthetic and organic chemicals directly applied to field crops • Traces of all chemicals used on crops can be found in our drinking water • When crops are irrigated chemicals sip through the soil into aquifers, rivers, ponds and lakes • An alarming amount of nitrates has been found in freshwater as a result of runoff from crop fields • High amounts of nitrate in drinking water is toxic as it can destroy the ability of red blood cells to transport oxygen • Triazine herbicides are widely used in the U.S. and have been linked to numerous health problems including cancerBrink, Nils. Water Pollution from Agriculture. Journalp. 789-795, 1975
  6. 6. Aspects of Livestock Production Deforestation for Grazing Land Grazing – grassland suitable for pasturage • Livestock sector is the largest user of land • Grazing occupies 26% of the Earth’s terrestrial surface • About 70% of forests in Latin America have been cut and burned down to make space for grazing • When trees are cut down, forest soil is quickly depleted of its nutrients and no longer good for grazingDepleted grazing land in the horn of Africa • Trees are an important player in the water purification process that makes it to our streams and rivers, with them gone the quality of water • The land is then abandoned, Nils. Water Pollution from Agriculture. Journalp. 789-795, 1975
  7. 7. Aspects of Livestock Production Deforestation for Grazing Land Grazing – grassland suitable for pasturage • With trees gone, the soil looses its ability to retain water • With no trees to purify the atmosphere, Greenhouse gas emission increased the rate at which global warming is happening. As a result, large natural drinking water reserves are disappearing • Glaziers (largest fresh water reserves)80% of glaziers of Mount Kilimanjaro have are not cold enough to preserve waterdisappeared and in the summer fresh water nolonger flows into the rivers. Local people have no and in the summer rivers don’t receivewater water from mountains Documentary Video, Nils. Water Pollution from Agriculture. Journalp. 789-795, 1975
  8. 8. Aspects of Livestock Production Farms Buildings Farm Buildings – contrary to public believe, industrial livestock is not raised running free on open land, but rather caged in concrete buildings • Due to the crowded and harsh conditions the animals are kept, meat production companies use antibiotics to keep the animals healthy and hormones to make them grow fast • All hormones and antibiotics fed and given to livestock is present in animal urine and manure that runs-off to our waterways • Some illnesses caused by farmhouse pollution range from birth defects to brain damageBrink, Nils. Water Pollution from Agriculture. Journalp. 789-795, 1975 • They are also responsible for antibiotic-
  9. 9. Aspects of Livestock Production Slaughter Factories Slaughter – place where animals are slaughtered for food. The process uses millions of gallon of water. Waste includes animal urine and excrement. Average rate of slaughter is about 1 cattle, 3 pigs, and 287 chickens per second • Slaughterhouse wastewater contains large amounts of blood, fat and hair • Possible high chloride content from salting skins • Legally slaughterhouses may dumb harmful amount of waste to city sewers to be treated and piped to homes • Slaughter houses use up to 12 million gallons of water and more to wash away slaughtered animal parts • Each state limits the amount of pollution permitted from slaughterhouses into our water streams, but water is always polluted at some
  10. 10. Landscape Management: Improve protection of wild areas, maintain connectivity among protected areas, and integrate livestock production and producers into landscape management Water Management: Better management of animal waste in industrial production units: • Better diets to improve nutrient absorption by the animals and this way manure waste will be improved and not as harmful • Improved manure management and better use of processed manure on croplands • Slaughter houses should improve their water management, update theirMike Lawrence DNSU 2006 Waste Water Mangement Project
  11. 11. Land Degradation Prevention : Restore damaged land through soil conservation: • Better management of grazing systems and protection of sensitive areas Greenhouse Gas Emissions: Sustainable intensification of livestock and feed crop production to reduce carbon dioxide emissions from deforestation and pasture degradation • Improve animal nutrition and manure management to cut methane and nitrogen emissions • Slaughterhouse waste should be thrown away as solid after a solidification and drying process • Cleaned periodically with as little water as possible Lawrence DNSU 2006 Waste Water Mangement Project