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	1.	Quantitative effects of feed protein reduction and methionine on nitrogen use by cows and nitrogen emission from slurry. [electronic resource] by Kröber, T F Külling, D R Menzi, H Sutter, F Kreuzer, M Producer: 20011018 In: Journal of dairy science vol. 83 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Methane emissions of differently fed dairy cows and corresponding methane and nitrogen emissions from their manure during storage. [electronic resource] by Külling, D R Dohme, Frigga Menz, H Sutter, F Lischer, P Kreuzer, M Producer: 20030224 In: Environmental monitoring and assessment vol. 79 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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