The effect of by-product inclusion and concentrate feeding rate on milk production and composition, pasture dry matter intake, and nitrogen excretion of mid-late lactation spring-calving cows grazing a perennial ryegrass-based pasture.

Autor: Condren SA; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland., Kelly AK; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland. Electronic address: alan.kelly@ucd.ie., Lynch MB; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland., Boland TM; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland., Whelan SJ; Institute of Technology Carlow, Wexford Campus, Summerhill, Wexford, Y35 KA07, Ireland., Grace C; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland., Rajauria G; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland., Pierce KM; School of Agriculture and Food Science, University College Dublin Lyons Farm, Lyons Estate, Celbridge, Naas, Co. Kildare, W23 ENY2, Ireland.

Publikováno v: Journal of dairy science [J Dairy Sci] 2019 Feb; Vol. 102 (2), pp. 1247-1256. Date of Electronic Publication: 2018 Dec 20.