Volume: 4, 2025
4th International PhD Student’s Conference at the University of Life Sciences in Lublin, Poland:
ENVIRONMENT – PLANT – ANIMAL – PRODUCT
Abstract number: A019
DOI: https://doi.org/10.24326/ICDSUPL4.A019
Published online: 9 April 2025
ICDSUPL, 4, A019 (2025)
Chemical composition and fat quality of selected feed materials used in poultry nutrition
Szymon Milewski1*, Bożena Kiczorowska1, Julia Fabjanowska1, Wioletta Samolińska1, Agata Bielak1, Edyta Kowalczuk-Vasilev1, Renata Klebaniuk1
1 Institute of Animal Nutrition and Bromatology, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland
* Corresponding author: szymon.milewski@up.lublin.pl
Abstract
Oilseeds and vegetable oils, as a valuable source of energy, nutrients, and biologically active compounds, are increasingly used in broiler chicken nutrition. The aim of the study was to analyze the basic chemical composition of canola (Brassica napus L. var. napus), camelina (Camelina sativa L. Crantz), hemp (Cannabis sativa L.), soybean (Glycine max (L.) Merr.), nettle (Urtica dioica L.), grape (Vitis vinifera L.), sunflower (Helianthus annuus L.) and wheat sprouts (Triticum aestivum L.) seeds, to determine the fatty acid profile of oils extracted from these raw materials, and to assess their feed value in meeting the nutritional and fatty acid requirements of broiler chickens. The determination of the basic chemical composition was carried out according to standard AOAC procedures (2019). The fatty acid profile was analyzed using gas chromatography on a Varian CP-3800 chromatograph (Varian Inc., USA) after conversion to methyl esters (AOAC, 1990). The estimation of the potential use of the analyzed feed materials to meet the birds’ requirements for protein, energy, as well as linoleic (LA) and linolenic (ALA) acids was based on current recommendations for poultry nutrition. The highest crude protein content was observed in soybean seeds (38.02 g/100 g DM). Sunflower seeds contained the highest amount of crude fat (53.10 g/100 g DM) and the lowest amount of crude fiber (2.23 g/100 g DM). The richest source of saturated fatty acids (SFA) was wheat germ oil. Grape seed oil was characterized by the highest amount of polyunsaturated fatty acids (PUFA), with LA being the dominant acid (71.3 g/100 g EE). The highest level of ALA was found in camelina oil (33.9 g/100 g EE). The analyzed seeds (portion = 10 g) covered the birds’ protein requirements at an average level of 28.32% (starter), 10.53% (grower), and 7.63% (finisher). In the case of energy, these values were 3.61%, 1.16%, and 0.75%, respectively. The tested oils (at 1% of the feed ration) covered the LA requirement up to 19.93% (starter), 46.83% (grower), and 15.38% (finisher). The analyzed feed materials fully met the birds’ requirements for ALA. The use of the analyzed feed components in broiler chicken nutrition represents a valuable source of nutrients and fatty acids (LA, ALA), partially or fully meeting the birds’ requirements for these components.
Keywords: oilseeds, oils, chemical composition, fatty acid profile, broiler chickens
How to cite
S. Milewski, B. Kiczorowska, J. Fabjanowska, W. Samolińska, A. Bielak, E. Kowalczuk-Vasilev, R. Klebaniuk, 2025. Chemical composition and fat quality of selected feed materials used in poultry nutrition. In: 4th International PhD Student’s Conference at the University of Life Sciences in Lublin, Poland: Environment – Plant – Animal – Product. https://doi.org/10.24326/ICDSUPL4.A019