Evaluation of dietary supplements of lipase, detergent, and crude porcine pancreas on fat utilization by young broiler chicks

W. Al-Marzooqi, S. Leeson

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The purpose of Experiment 1 was to improve the digestibility of fat through the use of supplemental lipase enzymes. A 2 × 3 factorial arrangement of treatments involving two levels of animal-vegetable blend fat (AV) (4 and 8%) and three enzyme treatments, namely none; Pancreatic®, 0.714%; and Pancreatin®, 0.714%, were randomly allocated within a battery brooder. There was an increase in diet ME and apparent fat digestibility when Pancreatic® and Pancreatin® enzymes were used (P < 0.01). However, both enzymes caused lower feed intake and lower BW gain (P < 0.01). In Experiment 2, Pancreatic® enzyme was used at graded levels of 0, 0.214, 0.429, 0.643, 0.857, and 1.071%, involving 4% dietary AV fat. The ME values were greater as the enzyme level increased (P < 0.01). However, as found in Experiment 1 lower feed intake and BW gain were observed with all enzyme levels compared with the control group. There was a linear effect on feed intake and BW gain (P < 0.01) and a quadratic effect on apparent fat digestibility (P < 0.05) and feed utilization (P < 0.01). Experiment 3 was designed to test the effect of Pancreatic® enzyme at 0 or 1.339% in combination with two levels of detergent, namely 0 and 10% (with 4% added AV). The detergent used consisted of a mixture of 95% Span® 60 and 5% Tween® 60. In general, there was no significant effect of detergent (P > 0.05). Experiment 4 was conducted to test the effect of supplementation of graded levels of ground crude porcine pancreas at 0, 0.321, 0.535, 0.750, 0.964, 1.178, or 1.392% of the diet on performance of male broiler chicks to confirm the anorexic effect caused by supplementing with Pancreatic® enzyme. In general, there was no significant effect of feeding crude porcine pancreas on the performance of male broiler chicks (P > 0.05). In these studies, lipase enzymes improved fat digestion, although it is suspected that associated reduced feed intake may be associated with contaminants such as cholecystokinin hormone.

Original languageEnglish
Pages (from-to)1561-1566
Number of pages6
JournalPoultry Science
Volume78
Issue number11
Publication statusPublished - Nov 1999

Fingerprint

pancreas
detergents
dietary supplements
broiler chickens
pancreatin
swine
lipids
enzymes
digestibility
cholecystokinin
enzymatic treatment
blended foods
diet
feed intake
digestion
vegetables
hormones
animals
testing

Keywords

  • Detergent
  • Fat digestion
  • Lipase
  • Metabolizable energy

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Evaluation of dietary supplements of lipase, detergent, and crude porcine pancreas on fat utilization by young broiler chicks. / Al-Marzooqi, W.; Leeson, S.

In: Poultry Science, Vol. 78, No. 11, 11.1999, p. 1561-1566.

Research output: Contribution to journalArticle

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abstract = "The purpose of Experiment 1 was to improve the digestibility of fat through the use of supplemental lipase enzymes. A 2 × 3 factorial arrangement of treatments involving two levels of animal-vegetable blend fat (AV) (4 and 8{\%}) and three enzyme treatments, namely none; Pancreatic{\circledR}, 0.714{\%}; and Pancreatin{\circledR}, 0.714{\%}, were randomly allocated within a battery brooder. There was an increase in diet ME and apparent fat digestibility when Pancreatic{\circledR} and Pancreatin{\circledR} enzymes were used (P < 0.01). However, both enzymes caused lower feed intake and lower BW gain (P < 0.01). In Experiment 2, Pancreatic{\circledR} enzyme was used at graded levels of 0, 0.214, 0.429, 0.643, 0.857, and 1.071{\%}, involving 4{\%} dietary AV fat. The ME values were greater as the enzyme level increased (P < 0.01). However, as found in Experiment 1 lower feed intake and BW gain were observed with all enzyme levels compared with the control group. There was a linear effect on feed intake and BW gain (P < 0.01) and a quadratic effect on apparent fat digestibility (P < 0.05) and feed utilization (P < 0.01). Experiment 3 was designed to test the effect of Pancreatic{\circledR} enzyme at 0 or 1.339{\%} in combination with two levels of detergent, namely 0 and 10{\%} (with 4{\%} added AV). The detergent used consisted of a mixture of 95{\%} Span{\circledR} 60 and 5{\%} Tween{\circledR} 60. In general, there was no significant effect of detergent (P > 0.05). Experiment 4 was conducted to test the effect of supplementation of graded levels of ground crude porcine pancreas at 0, 0.321, 0.535, 0.750, 0.964, 1.178, or 1.392{\%} of the diet on performance of male broiler chicks to confirm the anorexic effect caused by supplementing with Pancreatic{\circledR} enzyme. In general, there was no significant effect of feeding crude porcine pancreas on the performance of male broiler chicks (P > 0.05). In these studies, lipase enzymes improved fat digestion, although it is suspected that associated reduced feed intake may be associated with contaminants such as cholecystokinin hormone.",
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