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Table 4 Regression analysis between the content of CP in feedstuffs after 16 h of incubation in the rumen and after intestinal digestion

From: A comparative study of the intestinal digestive characteristics of different feeds for Holstein cows

Type of feed

Regression equation

R2

n

p

Concentrate feed

Y = -0.0147X2 + 0.2369X + 0.1477

R2 = 0.3350

4

P = 0.1594

Coarse feed

Y = -0.1560X2 + 0.3754X + 0.2344

R2 = 0.0551

15

P = 0.3506

Concentrate and coarse feed

Y = -0.0112X2 + 0.1853X + 0.2625

R2 = 0.5787

19

p< 0.0001

  1. Y, protein content of the rumen degradation residue of the feed material (%); X, protein content of the residue after small intestine digestion with the MTSP method (%)
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Animal Diseases

ISSN: 2731-0442