The effect of changing cow production and fitness traits on net income and greenhouse gas emissions from Australian dairy systems

The aim of this study was to compare the effect of changing a range of biological traits on farm net income and greenhouse gas emissions (expressed in carbon dioxide equivalents, CO2-eq.) in the Australian dairy cow population. An average cow was modeled, using breed-average information for Holstein...

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Veröffentlicht in:	Journal of dairy science 2013-12, Vol.96 (12), p.7918-7931
Hauptverfasser:	Bell, M.J., Eckard, R.J., Haile-Mariam, M., Pryce, J.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	abatement Air Pollutants - chemistry Air Pollutants - metabolism Animals Australia biological variation body weight Breeding calving interval carbon dioxide Carbon Dioxide - chemistry Carbon Dioxide - metabolism Cattle - physiology dairy cows dairy herds Dairying - economics dry matter intake Environment environmental impact feed conversion Female Fertility greenhouse gas emissions herd improvement Holstein Markov chain methane milk Milk - chemistry Models, Biological net farm income nitrous oxide Phenotype selection methods somatic cell count
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