Table 10 Information on experiment, animal and forage types in the training and testing datasets of dairy cows used in the present study.

From: Can machine learning algorithms perform better than multiple linear regression in predicting nitrogen excretion from lactating dairy cows

 

Training dataset

Test dataset

Years of experiments

1990–2002

2005–2015

Number of experiments

27

16

Number of individual cow data

564

387

Cow breeds

  Holstein–Friesian

534

269

  Othersa

30

118

Forage typesb

GS, FG

GS, MS, WCW

  1. aIncluding Holstein crossbreds, Norwegian and Swedish Red.
  2. bGS grass silage; FG fresh grass; MS maize silage; WCW whole crop wheat silage.