Table 2 Effects of time, mother's parity and weaning age and their interaction on parameters shown in Figs. 1, 2, 3, 4, 5 and 6

 Chewing

 < 0.001

0.440

0.042

0.512

0.016

0.525

0.277

 Active behavior

0.037

0.308

0.085

0.750

0.001

0.850

0.803

 Resting

 < 0.001

0.110

0.004

0.575

 < 0.001

0.548

0.442

 Rumen fill score

 < 0.001

0.018

0.490

0.335

0.001

0.455

0.780

 Rumen sounds

 < 0.001

0.77

 < 0.001

0.965

 < 0.001

0.938

0.042

 pH saliva

 < 0.001

0.638

0.295

0.621

0.674

0.171

0.299

 pH feces

 < 0.001

0.994

0.155

0.891

0.004

0.047

0.827

 pH urine

 < 0.001

0.525

0.069

0.652

 < 0.001

0.670

0.773

 pH blood

 < 0.001

0.654

0.206

0.172

0.010

0.290

0.716

 Creatinine

 < 0.001

0.253

0.628

0.125

 < 0.001

0.239

0.544

 Allantoin

 < 0.001

0.152

0.274

0.126

 < 0.001

0.684

0.646

 Uric acid

 < 0.001

0.057

0.152

0.075

 < 0.001

0.431

0.387

 Urea

 < 0.001

0.815

0.625

0.161

0.005

0.539

0.643

 NABE

 < 0.001

0.523

0.063

0.411

 < 0.001

0.584

0.329

 BAR

 < 0.001

0.712

0.024

0.528

0.005

0.835

0.312