Does the location of concentrate provision affect voluntary visits, and milk and milk component yield for cows in an automated milking system? | Zendy

Koryn S Hare | Zendy; T.J. DeVries | Zendy; Karen Schwartkopf-Genswein | Zendy; G.B. Penner | Zendy

Open Access

Does the location of concentrate provision affect voluntary visits, and milk and milk component yield for cows in an automated milking system?

Author(s) -

Koryn S Hare,

T.J. DeVries,

Karen Schwartkopf-Genswein,

G.B. Penner

Publication year - 2018

Publication title -

canadian journal of animal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1918-1825

pISSN - 0008-3984

DOI - 10.1139/cjas-2017-0123

Subject(s) - milking , barn , milk protein , dry matter , zoology , automatic milking , milk production , food science , milk fat , chemistry , lactation , biology , engineering , pregnancy , civil engineering , genetics , ice calving , linseed oil

Eight Holstein cows were used in a cross-over design to test whether concentrate allocation in an automated milking system (AMS) affects dry matter intake (DMI) and milk production. Cows were fed a high-energy partial mixed ration (HE-PMR) with 0.5 kg of AMS concentrate or a low-energy PMR (LE-PMR) with 5.0 kg of AMS concentrate. The AMS concentrate intake was greater and PMR intake was reduced for LE-PMR than HE-PMR. Milk, fat, and protein yields were not affected by treatment. In a guided-traffic flow barn, providing a PMR with greater energy density increases DMI, but has no effect on milk and milk component yield.

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