Elsevier

Poultry Science

Volume 94, Issue 8, 1 August 2015, Pages 1909-1916
Poultry Science

Metabolism and Nutrition
In ovo injection of prebiotics and synbiotics affects the digestive potency of the pancreas in growing chickens

https://doi.org/10.3382/ps/pev162Get rights and content
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Abstract

The purpose of the study was to examine the effect of 2 prebiotics and 2 synbiotics on the digestive potency of pancreas in 1-, 3-, 7-, 14-, 21-, and 34-day-old cockerels. Prebiotics (inulin and Bi2 tos) and synbiotics (inulin + Lactococcus lactis subsp. lactis and Bi2 tos + Lactococcus lactis subsp. cremoris) were injected in ovo into the air cell on the 12th d embryonic development. Their application increased the activity of amylase, lipase, and trypsin in the pancreas. The most pronounced changes were observed at the end of the investigated rearing period (d 34). The strongest stimulative effects on amylase were shown by both synbiotics, on lipase synbiotic Bi2 tos + Lactococcus lactis subsp. cremoris, and on trypsin all the used prebiotics and synbiotics. Simultaneously, neither the absolute nor the relative mass of the pancreas in comparison to control group were changed. Also, the injected in ovo compounds did not cause a deterioration in the posthatching condition of the chicken liver, as determined by measurement of the activity of marker enzymes in the blood (alanine aminotransferase and aspartate aminotransferase). Treatment with the prebiotics and synbiotics did not change the feed conversion ratio but Bi2 tos (galacto-oligosaccharide) and inulin (fructan) + Lactococcus lactis subsp. lactis significantly increased final BW.

Key words

prebiotic
synbiotic
in ovo
broiler chicken
pancreas enzymatic activity

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