Classification of commonly used feed ingredients based on flow properties

IF 2 4区农林科学 Q2 AGRONOMY

International Agrophysics Pub Date : 2022-05-23 DOI:10.31545/intagr/149295

A. Pekel, Abdurrahman Kızıl, A. Çalık, E. Kuter, U. Ahsan, M. Alatas, O. Kahraman

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Abstract

. The objective of this report was to classify ingredients based on their flowability. Twenty-six different feed ingredients (52 samples) were used including cereal grains, cereal by-products, oilseeds, oilseed meals, and animal-origin products. As an indication of flowability, the angle of repose was determined using a funnel test. In general, high protein oilseed meals had the lowest angle of repose, and therefore they had the highest flow ability with the exception of cottonseed meal. Corn gluten feed and wheat middlings had the highest angle of repose values (39 and 34°, respectively), and therefore they had the lowest flowabil ity. Ingredients with a range of angle of repose values between 22 and 25°, between 27 and 30°, and more than 30°, were categorized as having an easy flow, a moderate flow, and cohesive, respective -ly. The greater the protein content, the smaller the compressibility value ( r = –0.38) and the lower the angle of repose ( r = –0.42). An increase in the ether extract content of the ingredients resulted in a subsequent increase in angle of repose ( r = 0.31) and therefore a decrease in flowability (p<0.05). The angle of repose was positively correlated with compressibility and the Hausner ratio. In conclusion, oilseed meals were classified as “easy flow”, most by-products as “moderate flow”, and cereal grains as “cohesive”.

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根据流动特性对常用饲料成分进行分类

本报告的目的是根据成分的流动性对其进行分类。使用了26种不同的饲料成分（52个样本），包括谷物、谷物副产品、油籽、油籽粉和动物源产品。作为流动性的指示，使用漏斗试验来确定休止角。一般来说，高蛋白油菜籽粕具有最低的休止角，因此除棉籽粕外，它们具有最高的流动能力。玉米面筋饲料和小麦中粮具有最高的休止角值（分别为39°和34°），因此它们具有最低的流动性。休止角值范围在22°和25°之间、27°和30°之间以及超过30°的成分分别被归类为具有易流动性、中等流动性和粘性。蛋白质含量越大，压缩性值越小（r=-0.38），休止角越低（r=-0.42）。成分醚提取物含量的增加导致休止角增加（r=0.31），因此流动性降低（p<0.05）。休止角与压缩性和豪斯纳比呈正相关。总之，油籽粕被归类为“易流动”，大多数副产品被归类为为“中等流动”，谷物被归类为”粘性“。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Agrophysics 农林科学-农艺学

CiteScore

3.60

自引率

9.10%

发文量

审稿时长

3 months

期刊介绍： The journal is focused on the soil-plant-atmosphere system. The journal publishes original research and review papers on any subject regarding soil, plant and atmosphere and the interface in between. Manuscripts on postharvest processing and quality of crops are also welcomed. Particularly the journal is focused on the following areas: implications of agricultural land use, soil management and climate change on production of biomass and renewable energy, soil structure, cycling of carbon, water, heat and nutrients, biota, greenhouse gases and environment, soil-plant-atmosphere continuum and ways of its regulation to increase efficiency of water, energy and chemicals in agriculture, postharvest management and processing of agricultural and horticultural products in relation to food quality and safety, mathematical modeling of physical processes affecting environment quality, plant production and postharvest processing, advances in sensors and communication devices to measure and collect information about physical conditions in agricultural and natural environments. Papers accepted in the International Agrophysics should reveal substantial novelty and include thoughtful physical, biological and chemical interpretation and accurate description of the methods used. All manuscripts are initially checked on topic suitability and linguistic quality.