Effects of fibre content in pelleted wheat and oats diets on technical pellet quality and nutritional value for broiler chickens

Zimonja, O.; Hetland, H.; Lazarevic, N.; Edvardsen, Dag H.; Svihus, Birger

doi:10.4141/cjas08019

Cited by 29 publications

(10 citation statements)

References 27 publications

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“…This may cause digestive disturbances, and although the significance is not fully revealed, may cause imbalance in the gut microflora of fish. It has been shown that solubility of fibres may increase with processing (Zimonja et al, 2008). Thus, plant fibres may increase their antinutritive properties as a consequence of extrusion processing.…”

Section: Effects Of Processing On Plant Ingredients Used In Fish Feedsmentioning

confidence: 99%

Criteria for Safe Use of Plant Ingredients in Diets for Aquacultured Fish

Hemre

Amlund

Aursand

et al. 2018

EJNFS

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Section: Effects Of Processing On Plant Ingredients Used In Fish Feedsmentioning

confidence: 99%

Criteria for Safe Use of Plant Ingredients in Diets for Aquacultured Fish

Hemre

Amlund

Aursand

et al. 2018

EJNFS

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“…The reason for higher AME and AMEn values in pelleted feeds prepared with 1.6% moisture in relation to expanded feeds might derive from the fact that intense food processing increases the Maillard products, reducing protein and starch solubility and digestibility, as described by Zimonja et al [ 22 ], Taylor and Dewar [ 23 ] and Selle et al [ 24 ]. Furthermore, sorghum starch granules are surrounded by a matrix protein layer which can limit enzyme access, decreasing digestibility [ 25 ], hindering energy utilization even more of feeds subjected to treatments with high temperatures.…”

Section: Discussionmentioning

confidence: 99%

Effects of processing, particle size and moisturizing of sorghum-based feeds on pellet quality and broiler production

Silva

Oliveira

et al. 2018

Asian-Australas J Anim Sci

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ObjectiveThis study aimed to assess the effect of pelleted and expanded sorghum-based feeds prepared with different moisture levels and particle size of ingredients on metabolizable energy, ileal digestibility of amino acids and broiler performance.MethodsThe experiment was performed with 720 male broiler chicks of the Cobb strain, with treatments of six replications, with 15 birds each; they were arranged in a completely randomized design and 2×2×2 factorial scheme (pelleted or expanded feed processing, 0.8% or 1.6% moisture addition in the mixer, and particle size of 650 or 850 microns).ResultsHigher pellet quality (pellets, % and pellet durability index [PDI]) was obtained in expanded diets and inclusion of 1.6% moisture. The particle size of 850 microns increased the PDI of final diet. All studied treatments had no significant effect on weight gain and broiler carcass and cut yields. Lower feed conversion occurred for birds fed pelleted feed at 42 d. The highest apparent metabolizable energy (AME) and apparent metabolizable energy corrected to zero nitrogen balance (AMEn) values of feed in the initial rearing phase (10 to 13 days) were observed in birds fed pelleted feed or for feed prepared with 1.6% moisture. The highest ileal digestibility coefficients of amino acids were obtained with the consumption of pelleted feed prepared with a particle size of 650 microns and 1.6% moisture.ConclusionPelleted feed prepared with a milling particle size of 650 microns and 1.6% moisture provided increased ileal digestibility of amino acids and AMEn in the starter period. However, the expanded feed improved pellet quality and feed conversion of broilers at 42 days of age. We conclude that factors such as moisture, particle size and processing affect the pellet quality, and therefore should be considered when attempting to optimize broiler performance.

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“…Zimonja et al (2008) found that by grinding oat hulls (insoluble fibre) to a fine texture, an improvement in physical pellet quality occurred that did not when the same oat hulls were coarsely ground. It is recognized that fibre can be either water soluble or insoluble.…”

Section: Fibrementioning

confidence: 99%

Effects of feed formulation on feed manufacturing and pellet quality characteristics of poultry diets

Loar

Corzo

2011

World's Poultry Science Journal

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There is a wide array of factors, of which feed formulation is one, that can drastically affect both the quality of the feed produced as well as the parameters associated with the production of the feed in the mill. It has long been the practice in commercial broiler production to pellet the feed. It has been accepted at this point that feeding a diet with high quality pellets leads to better performance compared to the same diet with low quality pellets or in mash form. On the other hand, producing a high quality pellet is not the typical result in a large feed mill. In large mills, great quantities of feed must be produced in a short time frame and this is usually accomplished by running the mill at a high production rate and pelleting the diet through a relatively thin die. This usually results in decreased conditioning time and contact with the die for the diet, and consequently a lower quality pellet results, mainly because these are the two primary locations for the physiochemical reactions such as starch gelatinisation and protein denaturation that cause pellet binding. In this review we will discuss research pertaining to the use of different grains, by-products, minerals, pellet binders and most notably feedstuff constituents and their effects on both physical pellet quality as well as feed manufacturing variables such as energy usage and production rate when the data is available. The main focus will be given to research performed within the last decade. However, we have placed no restrictions on the research referenced based on publication date as there is always quality research with pertinent findings that have stood the test of time.

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Effects of fibre content in pelleted wheat and oats diets on technical pellet quality and nutritional value for broiler chickens

Cited by 29 publications

References 27 publications

Criteria for Safe Use of Plant Ingredients in Diets for Aquacultured Fish

Criteria for Safe Use of Plant Ingredients in Diets for Aquacultured Fish

Effects of processing, particle size and moisturizing of sorghum-based feeds on pellet quality and broiler production

Effects of feed formulation on feed manufacturing and pellet quality characteristics of poultry diets

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