Inulīna ietekme uz broilercāļu gremošanas trakta morfofunkcionālo statusu

Abstract

A study was conducted to test the effect of Jerusalem artichoke (JA) in dry form on digestive tract. The trial involved 60 cross ROSS 308 broiler chickens divided in three groups. All chickens were fed with commercial basic feed, nutrition value conforms cross ROSS 308 regalement. Feed ration of the first group chickens was supplemented with additive - JA in dry form in 0.5% concentration, the second group- with the same JA dry form in 1% concentration, the third group – without supplement. Two birds from each group were slaughtered at trial beginning in 7th, further - 28th and 42nd days of age. Tissue samples from the duodenum and ileum of each chicken were histo-morphologically examined to determine the villi heights, thickness of lamina propria and epithelium, crypt depths. Supplement of JA dry form inclusion in basic feed did not change the broiler chicken performance in first and second groups compared with control. An increase of villi height was observed in duodenum and small intestine of birds at 28th day of age to witch was given 1% supplement of JA. At the same time in villi mucosa of ileum of these chickens inflammation was observed starting from 28th day of age and continued to till 42th day. These results confirm that feed supplemented with JA in dry form in 0.5 % concentration had not an effect on microstructure and mucosa of small intestine in comparison with additive in 1% concentration