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Table 8 An overview of acute phase protein (APP) levels in cattle for naturally occurring mastitis1

From: Diagnostic utility of acute phase proteins and their ability to guide antibiotic usage in pigs, horses, and cattle: a mapping review

Reference

Age group2

Disease

APP levels diseased cows3

APP levels healthy cows3

[73]

C

Subclinical mastitis

Serum:

SAA: 50.57a

HP: 0.14a

Milk:

MAA: 10.99a

HP: 0.17a

Serum:

SAA: 10.99b

HP: 0.02b

Milk:

MAA: 0.09b

HP: 0.03b

[74]

C

Subclinical mastitis

Milk:

Fb: 28.01a

Milk:

Fb: 10.71b

[75]

C

Subclinical mastitis

Milk:

MAA: 24.4b (1Q4)/ 103a (2Q4)

Serum:

SAA: 25b (1Q)/ 88a (2Q)

HP: 0.02b (1Q)/ 0.42a (2Q)

Alb: 3.13a (1Q)/ 2.98a (2Q)

Milk:

MAA: 1.7c

Serum:

SAA: 17b

HP: 0.03b

Alb: 3.02a

[76]

C

Subclinical mastitis

Milk:

MAA: 67a

HP: 0.039a

Serum:

SAA:198a

HP: 0.17a

Milk:

MAA: 9b

HP: 0.007b

Serum:

SAA:126b

HP: 0.09b

[77]

C

Subclinical mastitis

MAA: 12.83a

Alb: 0.068a

MAA: 0.61b

Alb: 0.024b

[78]

C

Subclinical mastitis

Serum:

Alb: 3.2b

HP: 1.89a

SAA: 151.61a

Fb: 1769a

Milk:

HP: 0.53a

MAA: 22.41a

Fb: 789a

Serum:

Alb: 4.3a

HP: 0.79b

SAA: 34.6b

Fb: 780b

Milk:

HP: 0.061b

MAA: 13.6b

Fb: 220b

[79]

C

Subclinical mastitis

Serum:

SAA: 2.68a

Milk:

MAA: 0.790a

Serum:

SAA: 2.72a

Milk:

MAA: 0.361b

[80]

C

Subclinical mastitis

SAA: 47.33a

HP: 0.59a

SAA: 5.13b

HP: 0.09b

[81]

C

Subclinical mastitis

MAA: 4.79a

HP: 0.248a

MAA: 3.93a

HP: 0.023b

[82]

C

Subclinical mastitis

(3 different disease groups)

Serum:

SAA: 23.10/56.60/88.00a

Milk:

MAA: 9.20/12.90/13.19a

Serum:

SAA: 10.80b

Milk:

MAA: 2.30b

[83]

C

mastitis

SAA: NAa

HP: NAa

SAA: NAb

HP: NAb

[78]

C

mastitis

Serum:

Alb: 2.7b

HP: 2.71a

SAA: 189.7a

Fb: 1980a

Milk:

HP: 0.99a

MAA: 36.19a

Fb: 873a

Serum:

Alb: 4.3a

HP: 0.79b

SAA: 34.6b

Fb: 780b

Milk:

HP: 0.061b

MAA: 13.6b

Fb: 220b

[84]

C

mastitis

Milk:

MAA: 10.10a

HP: 216.0a

Serum:

SAA: 118.49a

HP: 0.724a

Milk:

MAA: 0.022b

HP: 16.20b

Serum:

SAA: 0.69b

HP: 0.063b

[80]

C

mastitis

SAA: 129.08a

HP: 0.96a

SAA: 5.13b

HP: 0.09b

  1. 1means—columns with different superscripts differ significantly (P < 0.05)
  2. 2Ca Calves, H Heifers, C Cow
  3. 3CRP C-reactive protein (μg/mL), SAA Serum Amyloid A (μg/mL), MAA Milk Amyloid A (μg/mL), HP Haptoglobin (mg/mL), Fb Fibrinogen (mg/dL), Alb Albumin (g/dL), AGP Alpha 1-acid glycoprotein (μg/mL)
  4. 41Q mastitis in 1 quarter of the udder, 2Q mastitis in 2 quarters of the udder