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The Role of Ruminants on Environmental Pollution and Possible Solution to Reduce Global Warming

Journal of Agricultural Science and Technology(A) 2018年第4期8卷 239-252页

作者： luigi zicarelli Department of Veterinary Medicine and Animal Production UniversitàFederico IINapol 80137Italy

The aim of the work was to shed light on the responsibility of ruminants to inject methane(CH4)into the atmosphere and to highlight how about 70%of livestock and almost all small ruminants live in areas of the planet,usually the poorest,where it is not possible to produce food for the *** to many authors,ruminant breeding is one of the main causes of deforestation and global warming observed in recent years and 11%-12% of world population’s malnutrition depends mainly on the increase in ruminant rearing that is also responsible for the poor efficiency in producing nutrients.A further objective is to highlight those factors that,for various reasons,are *** have contributed both to the work,still used in many areas(just think of the hilly fields of rice in Asia),both with the supply of noble proteins to be one of the main factors that allowed the evolution of human *** think that where(Europe,Asia minor,Indian sub-continent)milk was used for feeding children,the numerical increase in human population was faster than the areas where its use was unknown(Americas and Australia).The most fertile soils,like the Great Plains of the United States,are those that in the past were populated by ruminants like the *** scientists argue that humans are a species that is supposed to eat fruit *** ignore that Homo habilis has evolved since he became *** primates complement their diet with small mammals,crabs,crustaceans,molluscs,amphibians,worms and even fish trapped in some ponds during the low tide *** ignore or want to ignore that primitive man chose the flesh driven by instinct because they needed vitamin *** deforestation,many of the areas currently used as pastures have been obtained by burning forests,but it is not sufficiently stressed that all areas used today by man come from forest areas and that every year millions of hectares of forests are destroyed due to accidental fires or are caus

关键词： Ruminants deforestation methane global warming primates endangered species water consumption human undernutrition

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