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Globale ecological footprint of animal production (CROSBI ID 677564)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija

Grbeša, Darko Globale ecological footprint of animal production // XXVI MEĐUNARODNO SAVJETOVANJE "KRMIVA 2019" ZBRNK SAŽETAKA / Modrić, Mario ; Matin, Ana (ur.). Zagreb: Krmiva, 2019. str. 14-15

Podaci o odgovornosti

Grbeša, Darko

engleski

Globale ecological footprint of animal production

The increasing human population and incorporation more livestock products in diet drive intensive animal production which significantly contributes to environment pollution due to the large feed consumption (4.7 – 7.0 billion tonnes of DM) of increasing number of animals and low feeds nutrient utilization in livestock. Indicators quantifying impact of animal production on environment are contribution to climate change, eutrophication and acidification potential, energy and land use, and biodiversity. The global climate change, primarily caused by greenhouse gas (GHG) emissions resulting in warming of the atmosphere, is among the most dangerous. The most important greenhouse gases from animal agriculture are CH4 and N20. Herbivore, mainly ruminants, because of low nutrient utilisation (< 50%), generally use the largest amount of feeds and are main producer of GHG, N excretion and ammonia emission. On the other side, monogastric animals have stronger impact on acidification, eutrophication and land use. FAO estimates that animal production contributes 14.5% [8.0 billion tonnes CO2 equivalents (CO2eq.)] to the global GHG emissions and is the largest emitter of N20 (65%), ammonia (40%) and CH4 (35%) in global anthropogenic emissions. Direct emissions accounted for 4.2 billion tonnes of CO2eq. while feed and forage production account for additional 3.3 billion tonnes of CO2eq. In addition, energy used on farms and in the supply chains, as well as emissions from processing and transport of animal products, account for 4.7% of the total livestock emissions. Ruminants consume 80% (3.7 billion tonnes DM/year) of the plant material grown for livestock feeding whereas entheric fermentation of plant fibre (34 -90% of DM) produce 77% of livestock methane production ; the remaining is from manure fermentation. From GHG, forage and feed production produce mainly CO2 and N2O. The global production of manure has not been estimated yet, but production of domestic animals and human faecal biomass is estimated to 3.9 × 1012 kg/year. Manure management emits CH4 and N2O, and the majority of acidification and eutrophication. In addition, breathing of the global livestock population (29.7 × 1012) makes up about 14% of anthropogenic emissions. In summary, livestock production significantly contributes to global warming through emissions of CH4 and N20. To meet future needs of an expanding population, animal production will need to increase and GHG emission intensity per unit of product will need to decrease. One of the principal ways to achieve this environmental standard is to adopt effective mitigation strategies

animal production, greenhouse gas, mitigation

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Podaci o prilogu

14-15.

2019.

objavljeno

Podaci o matičnoj publikaciji

XXVI MEĐUNARODNO SAVJETOVANJE "KRMIVA 2019" ZBRNK SAŽETAKA

Modrić, Mario ; Matin, Ana

Zagreb: Krmiva

Podaci o skupu

26. međunarodno savjetovanje KRMIVA = 26th international conference KRMIVA

predavanje

05.06.2019-07.06.2019

Opatija, Hrvatska

Povezanost rada

Trošak objave rada u otvorenom pristupu

Poljoprivreda (agronomija)