Enzyme

Inclusion level

Species

Enzyme Inclusion Period

Effect

Diet

Ref.

Natuzyme; containing

Phytase (1500 u/g), Xylanase (10000 u/g), Cellulase (6000 u/g), Amylase (400 u/g), Protease (700 u/g), B-glucanase (700 u/g) & Mannanase (400 u/g)

0, 350, 700, 1000 gm per ton

Broiler

1 - 42 days

(+) gut morphology, (+) villus height in the duodenum, villus height, width, crypt depth in jejunum, (+) villus height width and number of goblet cell in the ileum, (+) nutrient digestibility by all supplementation level

Wheat-corn- soybean based diet

[122]

Natuzyme containing

Phytase (500 u/g)

Xylanase (1000 u/g)

Cellulase (5000 u/g)

Amylase (1800 u/g)

Protease (6000 u/g)

Glucanase (1000 u/g)

Pectinase (140 u/g)

500 mg per kg feed

Layer

43 wks aged till next 8 weeks

No effect on feed intake, egg production, egg weight, egg qualities such as eggshell color or Haugh unit, total cholesterol, relative organ weights and cecal microflora profiles between any dietary treatments.

However, enzyme supplementation to reduced CP and Energy diet significantly increased egg mass and eggshell qualities such as strength and thickness and reduced intestinal viscosity

Corn-Soybean based diet

[123]

Xylanase (150,000 BXU/gm), Cellulase (50,000 EU/g), Glucanase (10,000 BU/g), Pectase (10,000 U/g), Amylase (100 U/gm) and Glucoamylase (5000 U/g)

0, 50, 100, 150 mg/ kg

Broiler

36-days onward

(+) utilisation of nutrients and energy

Corn and Wheat based diet

[124]

XAP containing

Xylanase (2000 U/kg), Amylase (200 U/kg), Protease (4000 U/kg)

100 gm per ton

Broiler

1 - 21 days

The supplemental XAP alone (+) digestibility of most of the amino acids compared with control. Moreover, XAP with probiotics (+) AID of most of all amino acids compared with control.

Corn-soybean based diet

[22]