Feeding dairy cows with no or reduced amounts of forage

TY - GEN

T1 - Feeding dairy cows with no or reduced amounts of forage

AU - Børsting, Christian Friis

AU - Hellwing, Anne Louise Frydendahl

AU - Weisbjerg, Martin Riis

AU - Østergaard, Søren

AU - Raun, B. L.

AU - Røjen, B.A.

AU - Kristensen, Niels Bastian

N1 - Conference code: 10

PY - 2019

Y1 - 2019

N2 - In Northern Europe the production of forage was severely impaired by drought in 2018. In Norway sawdust was tested as an alternative fiber source for dairy cows (Harstad & Prestløkken (2018). In earlier Danish studies Kristensen et al. (2003) demonstrated that it was possible to feed dairy cows chopped ammonia treated straw as the only roughage. However, the energy utilization was lower than for diets with forage. In late July 2018, there were a potential risk that some Danish dairy farms would have very limited amounts of forage. Therefore, it was decided to study how straw could be included in diets of high yielding dairy cows. The aim of this study was to examine the effects of replacing all or half of the forage (50% of dry matter (DM)) in a standard diet with straw and concentrate. The two concentrate mixtures used were based either on non-gene modified (NonGM) locally grown ingredients or mainly on gene modified (GM) ingredients.

AB - In Northern Europe the production of forage was severely impaired by drought in 2018. In Norway sawdust was tested as an alternative fiber source for dairy cows (Harstad & Prestløkken (2018). In earlier Danish studies Kristensen et al. (2003) demonstrated that it was possible to feed dairy cows chopped ammonia treated straw as the only roughage. However, the energy utilization was lower than for diets with forage. In late July 2018, there were a potential risk that some Danish dairy farms would have very limited amounts of forage. Therefore, it was decided to study how straw could be included in diets of high yielding dairy cows. The aim of this study was to examine the effects of replacing all or half of the forage (50% of dry matter (DM)) in a standard diet with straw and concentrate. The two concentrate mixtures used were based either on non-gene modified (NonGM) locally grown ingredients or mainly on gene modified (GM) ingredients.

M3 - Article in proceedings

T3 - Sveriges Lantbruksuniversitet. Institutionen foer Husdjurens Utfordring och Vaard. Rapport

SP - 87

EP - 91

BT - Proceedings of the 10th Nordic Feed Science Conference

A2 - Udén, P.

A2 - Eriksson, T.

A2 - Spörndly, R.

A2 - Rustas, B-O.

A2 - Karlsson, J.

PB - Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management

CY - Uppsala

T2 - Nordic Feed Science Conference

Y2 - 11 June 2019 through 12 June 2019

ER -