Oat Hull as a Source of Lignin-Cellulose Complex in Diets Containing Wheat or Barley and Its Effect on Performance and Morphometric Measurements of Gastrointestinal Tract in Broiler Chickens

Tomasz Hikawczuk, Anna Szuba-Trznadel, Patrycja Wróblewska () and Andrzej Wiliczkiewicz
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Tomasz Hikawczuk: Statistical Analysis Centre, Wroclaw Medical University, Karola Marcinkowskiego 2-6, 50-368 Wroclaw, Poland
Anna Szuba-Trznadel: Department of Animal Nutrition and Feed Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 38c, 61-630 Wroclaw, Poland
Patrycja Wróblewska: Department of Animal Nutrition and Feed Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 38c, 61-630 Wroclaw, Poland
Andrzej Wiliczkiewicz: Department of Animal Nutrition and Feed Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 38c, 61-630 Wroclaw, Poland

Agriculture, 2023, vol. 13, issue 4, 1-16

Abstract: The purpose of the experiment was to determine the effect of oat hull on the performance and morphometric measurements of the gastrointestinal tract, and to correlate the results of these measurements with the type of the determined dietary fiber in feed and the number of microorganisms. The Asp method is simpler and quicker than non-starch polysaccharide analysis, and can give quick information in the analysis of fiber fractions (soluble and insoluble) in the component or in a diet, and also related the obtained results with the performance of broiler chickens. The utilization of oat hull in the amount of 1% of the diet of broiler chickens results in the highest body weight on the 28th day of life ( p < 0.05) in comparison to the group not receiving oat hull in the diet and with a 3% share of this structural component. Oat hull in the diet of broiler chickens in the amount of 1% also reduces the total length of the intestines ( p < 0.05), compared with the share of 0 and 3%. The soluble fiber contained in the grains of barley and wheat has an influence on the higher metabolic weight of the glandular stomach of broiler chickens compared to the birds receiving corn grain in their diet. Barley grain and oat hull in the amount of 3% significantly ( p < 0.01) increase the weight of gizzards. The increase in the weight of the proventriculus (r = 0.392), gizzard (r = 0.486) and duodenum (r = 0.657) was positively correlated with the growth of E. coli bacteria in the crop. The opposite effect in the case of negative correlation was determined in the case of the duodenum and E. coli count (r = −0.593).

Keywords: dietary fiber; oat hull; broiler chickens; performance; morphometric measurements (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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