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	1.	Review: Converting nutritional knowledge into feeding practices: a case study comparing different protein feeding systems for dairy cows. [electronic resource] by Lapierre, H Larsen, M Sauvant, D Van Amburgh, M E Van Duinkerken, G Producer: 20190212 In: Animal : an international journal of animal bioscience vol. 12 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Prediction of urinary nitrogen and urinary urea nitrogen excretion by lactating dairy cattle in northwestern Europe and North America: a meta-analysis. [electronic resource] by Spek, J W Dijkstra, J van Duinkerken, G Hendriks, W H Bannink, A Producer: 20140303 In: Journal of dairy science vol. 96 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Milk urea concentration as an indicator of ammonia emission from dairy cow barn under restricted grazing. [electronic resource] by van Duinkerken, G Smits, M C J André, G Sebek, L B J Dijkstra, J Producer: 20110307 In: Journal of dairy science vol. 94 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Effect of rumen-degradable protein balance and forage type on bulk milk urea concentration and emission of ammonia from dairy cow houses. [electronic resource] by van Duinkerken, G André, G Smits, M C J Monteny, G J Sebek, L B J Producer: 20050721 In: Journal of dairy science vol. 88 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Prediction of ammonia emission from dairy barns using feed characteristics part II: Relation between urinary urea concentration and ammonia emission. [electronic resource] by Monteny, G J Smits, M C J van Duinkerken, G Mollenhorst, H de Boer, I J M Producer: 20030307 In: Journal of dairy science vol. 85 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Prediction of ammonia emission from dairy barns using feed characteristics part 1: Relation between feed characteristics and urinary urea concentration. [electronic resource] by de Boer, I J M Smits, M C J Mollenhorst, H van Duinkerken, G Monteny, G J Producer: 20030307 In: Journal of dairy science vol. 85 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Comparison of fractionation methods for nitrogen and starch in maize and grass silages. [electronic resource] by Ali, M de Jonge, L H Cone, J W van Duinkerken, G Blok, M C Bruinenberg, M H Hendriks, W H Producer: 20170803 In: Journal of animal physiology and animal nutrition vol. 100 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Relationship between chemical composition and in situ rumen degradation characteristics of maize silages in dairy cows. [electronic resource] by Ali, M van Duinkerken, G Cone, J W Klop, A Blok, M C Spek, J W Bruinenberg, M H Hendriks, W H Producer: 20150527 In: Animal : an international journal of animal bioscience vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)