Improvement of economic traits and reduction of greenhouse gas emissions in sheep and goats in Central Asia
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FORABOSCO, Flavio, NEGRINI, Riccardo. Improvement of economic traits and reduction of greenhouse gas emissions in sheep and goats in Central Asia. In: Mitigation and Adaptation Strategies for Global Change, 2019, nr. 1(24), pp. 129-146. ISSN -. DOI: https://doi.org/10.1007/s11027-018-9801-4
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Mitigation and Adaptation Strategies for Global Change
Numărul 1(24) / 2019 / ISSN - /ISSNe 1573-1596

Improvement of economic traits and reduction of greenhouse gas emissions in sheep and goats in Central Asia

DOI: https://doi.org/10.1007/s11027-018-9801-4

Pag. 129-146

Forabosco Flavio1, Negrini Riccardo2
 
1 State Agrarian University of Moldova ,
2 Università Cattolica del Sacro Cuore
 
Disponibil în IBN: 6 octombrie 2019


Rezumat

In central Asian countries, sheep (Ovis aries) and goats (Capra hircus) represent a key economic resource for millions of people living in rural communities and, at the same time, a critical source of greenhouse gas (GHG) emissions. This study aims to estimate GHG emissions of several economic traits of sheep and goats and investigate sustainable mitigation strategies. It advances beyond previous studies by calculating the GHG emissions of traits of economic importance rather than reporting average animal emission and can thus provide insights for creating better-targeted mitigation strategies. In dairy sheep in Tajikistan, the emission intensity (EI) decreased from 62.4 to 56.7 kg CO 2 -eq kg −1 of protein as the production of milk increased by 20%. In meat goats raised in Turkmenistan, the EI decreased by 2.6 kg CO 2 -eq kg −1 of protein when simulating an increase in meat production of + 20%. Improving female fertility by 10% scaled down the EI of meat sheep in Uzbekistan by 36 kg CO 2 -eq kg −1 of protein. The improvement of meat and milk productions, female fertility, and litter size and the reduction of mortality, and female culling can reduce the emission intensity of sheep and goats globally. Thus, genetic improvement of economic traits is an important global mitigation tool. Furthermore, improvement of national and international sheep and goat strategies can provide policymakers with valuable information to develop regional and global mitigation actions.

Cuvinte-cheie
Breeding, environment, goat, greenhouse gas, Mitigation, sheep