Maximising the benefits of pelleting diets for modern broilers

2019 ◽  
Vol 59 (11) ◽  
pp. 2023 ◽  
Author(s):  
M. Reza Abdollahi ◽  
Faegheh Zaefarian ◽  
Velmurugu Ravindran
Keyword(s):  
Nutrient Requirements ◽  
Feed Processing ◽  
Feed Formulation ◽  
Nutrient Density ◽  
Conditioning Temperature ◽  
Dietary Nutrient ◽  
Feed Form ◽  
Pelleted Feed ◽  
High Degree ◽  
Ad Libitum Feeding

The importance of feeding pelleted feed to broilers is no longer questionable. However, the extent of performance benefits associated with feeding pelleted diets to broilers depends on available nutrient intake, which, in turn, is influenced by grain type, processing variables such as conditioning temperature, feed texture and birds’ digestive-tract development. The current practice of a high degree of feed processing, especially fine grinding, and ad libitum feeding do not support the normal development and functionality of the foregut. Incorporation of structural components in contemporary broiler diets can impart benefits to the birds’ digestive system. Benefits from pelleting could be improved by using diets with lesser nutrient densities and a pellet-appropriate approach is suggested for broiler-feed formulation. In this strategy, dietary nutrient density must be considered to maximise the benefits from the steam-pelleting process. Identification of the optimum density to be used will warrant further research that also involves the economics. On the basis of available evidence, it is reasonable to assume that nutrient requirements of modern broilers may depend on the feed form and there is a need to determine the nutrient requirements of broilers using pelleted diets.

scholarly journals Influence of Dietary Nutrient Density, Feed Form, and Lighting on Growth and Meat Yield of Broiler Chickens

2007 ◽  
Vol 86 (10) ◽  
pp. 2172-2181 ◽  
Author(s):  
K.E. Brickett ◽  
J.P. Dahiya ◽  
H.L. Classen ◽  
S. Gomis
Keyword(s):  
Broiler Chickens ◽  
Meat Yield ◽  
Nutrient Density ◽  
Dietary Nutrient ◽  
Feed Form

The nutritional consequences of foraging in primates: the relationship of nutrient intakes to nutrient requirements

1991 ◽  
Vol 334 (1270) ◽  
pp. 161-170 ◽  
Keyword(s):  
Food Selection ◽  
Nutrient Requirements ◽  
Nutrient Intakes ◽  
Protein Levels ◽  
Nutrient Density ◽  
High Nutrient ◽  
Relationship Of ◽  
The Relationship ◽  
High Dietary Protein ◽  
Growth And Reproduction

Many studies have examined the proportion of time that primates devote to feeding on various types of food, but relatively little is known about the intake rates associated with each food. However, the nutritional consequences of foraging can only be interpreted by comparing nutrient intakes with estimated nutrient requirements. The energy available to primates from ingested foods will depend both on the composition of the food and the extent to which various constituents, including fibre fractions, are digested. Both human and non-human primates have relatively low requirements for protein as a consequence of slow growth rates, small milk yields and relatively dilute milk. Because the nutrient demands of growth and reproduction are spread out over time, it appears that primates do not need to seek out foods of particularly high nutrient density, except perhaps during weaning. Although food selection in some species of primates appears to be correlated with the protein concentration of foods, it is unlikely that high dietary protein levels are required, at least when foods of balanced amino acid composition (such as leaves) are included in the diet.

scholarly journals Use of Pelleted Diets in Commercially Farmed Decapods during Juvenile Stages: A Review

Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1761
Author(s):  
Mohd Amran Aaqillah-Amr ◽  
Ariffin Hidir ◽  
Mohamad N. Azra ◽  
Abdul Rahim Ahmad-Ideris ◽  
Muyassar H. Abualreesh ◽  
...  
Keyword(s):  
Feeding Behavior ◽  
Optimal Growth ◽  
Careful Consideration ◽  
Physical Characteristics ◽  
Market Demand ◽  
Nutrient Requirements ◽  
Natural Diet ◽  
Feed Formulation ◽  
Juvenile Stages ◽  
Formulated Feed

The increasing market demand for decapods has led to a considerable interest in cultivating decapod species at a larger scale. Following the development of hatchery technologies, most research has focused on the development of formulated feeds for commercially farmed decapods once they enter the juvenile stages. The use of formulated feed for decapods at a commercial scale is still in the early stages. This is probably because of the unique feeding behavior that decapods possess: being robust, slow feeders and bottom dwellers, their feeding preferences change during the transition from pelagic larvae to benthic juveniles as their digestive systems develop and become more complex. The current practice of decapod aquaculture involves the provision of juveniles with food such as natural diet, live feed, and formulated feed. Knowledge of nutrient requirements enables diets to be better formulated. By manipulating the levels of proteins and lipids, a formulated feed can be expected to lead to optimal growth in decapods. At the same time, the pellet’s physical characteristics are important factors to be considered upon formulating commercially farmed decapod feeds, considering the unique feeding behavior of the decapod. However, most published studies on decapod nutrition lack data on the physical characteristics of the feed types. Thus, it is difficult to establish a standard feed formulation that focuses on the physical pellet properties. Moreover, careful consideration must be given to the feeding behavior of species, as decapods are known as bottom feeders and are robust in terms of handling feed. Information on the pellet forms, diet composition, and unique feeding behaviors in commercially farmed decapods is gathered to suggest potential better formulated diets that can optimize growth and reproduction. Thus, the purpose of this review is to summarize the information that has been published to date and to come up with suggestions on ways to improve the feed formulation in decapods that comply with their feeding behavior and nutrient requirements. Further research is needed to explore the potential of the pelleted feed at the adult stage so the decapod can take full advantage of the nutrients present in the pellets.

Effect of dietary nutrient density and vitamin premix withdrawal on performance and meat quality of broiler chickens

2013 ◽  
Vol 93 (12) ◽  
pp. 2979-2985 ◽  
Author(s):  
Reza Mirshekar ◽  
Behrouz Dastar ◽  
Bahareh Shabanpour ◽  
Saeed Hassani
Keyword(s):  
Meat Quality ◽  
Broiler Chickens ◽  
Nutrient Density ◽  
Dietary Nutrient

scholarly journals The Impact of Nutrient Density, Feed Form, and Photoperiod on the Walking Ability and Skeletal Quality of Broiler Chickens

2007 ◽  
Vol 86 (10) ◽  
pp. 2117-2125 ◽  
Author(s):  
K.E. Brickett ◽  
J.P. Dahiya ◽  
H.L. Classen ◽  
C.B. Annett ◽  
S. Gomis
Keyword(s):  
Broiler Chickens ◽  
Walking Ability ◽  
Nutrient Density ◽  
Feed Form ◽  
The Impact
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