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Table 2 Specific activities (IU 1 /mg proteins) of the pancreatic enzymes

From: Is there adaptation of the exocrine pancreas in wild animal? The case of the Roe Deer

Species

Roe deer

 

Cattle

 

Stage

Adult

Young

 

Ruminant calf

Milk-fed calf

 

Age

> 1 year

< 1 year

1

159 days

138 days

2

    

(W group)

(MF group)

 

Chymotrypsin

1936 ± 33

1397 ± 65

39.0

12 ± 43§

16 ± 35§

−25.0

Trypsin

95 ± 2

90 ± 3†‡

5.5

102 ± 2

76 ± 1

34.2

Elastase I

279 ± 7

233 ± 12†‡

20.0

160 ± 35‡§

57 ± 55§

180.7

Elastase II

1423 ± 28

1286 ± 50

10.7

270 ± 139

194 ± 219

39.2

Lipase

209 ± 70

237 ±34

−11.9

477 ± 16

738 ± 27

−35.4

Amylase

15.6 ± 0.2†§

14.1 ± 0.3

10.6

16.2 ± 0.4§

8.9 ± 0.3

81.4

Ratio:

Chymotrypsin/Trysin

22.4 ± 0.3

15.4 ± 0.7

45.5

0.1 ± 0.4§

0.3 ± 0.3§

−66,7

  1. Values are mean ± SEM (standard error of the mean).
  2. †, ‡, § Means within a row with different superscripts differ (P < 0.05).
  3. Effect of species: Means within a row are different between species (P < 0.001) for chymotrypsin and Elastase II.
  4. IU1: International Unit.
  5. %Δ: Difference between values: Adult values-Young values (Δ1) or Ruminant values- Milk-fed values (Δ2) expressed as % of “Young values” and “Milk-fed values” respectively.