Feed restriction for broilers.
Abstract: Feed restriction for broiler breeder replacement chicks has been a common practice for many years which required rigid feed restriction to prevent obesity and over consumption for increasing reproductive performance. In the last few years feed restriction has also been investigated in broilers, mainly to improve feed efficiency and to reduce body fat deposition. Allowing birds with unlimited supply of feed can result in excess energy consumption being converted into fat. It is generally assumed that when birds eat more, they have greater body weights at market age. The improvement noted in market body weight has been attained due to an increase infeed consumption, which is related to genetics and supported by nutrition. This improvement in body weight for modern broiler chickens at marketing age, due to an increase in growth rate, which is associated with higher nutrient supply, has led to more frequent occurrences of metabolic and skeletal disorders. increased fat deposition, leg problems and ascites phenomenon. Broiler chickens fed ad libitum likely consume energy greater than their maintenance needs, and as a result fat deposition is increased This fact reflected on the economical concern because fat is represented as an undesirable and economical product.
The broiler chicken is able to owrcome periods of feed restriction, . such that market weight is little affected at 42 days of age. Such feed restriction can be achieved by physical feed restriction, physical diet dilution or by increasing energy: protein ratios. Such periods of feed restriction should result in improved feed efficiency, since maintenance nutrient requirements are reduced With prolonged growth-out of broiler chickens there is even greater potential in capitalizing on some degrees of feed restriction followed by compensatory growth.
Publication year 2005
Pages 825-844
Availability location معهد بحوث الانتاج الحيوانى- شارع نادى الصيد - الدقى - الجيزة
Availability number
Organization Name
Country Egypt
City الاسكندرية
serial title Egyptian Poultry Science
Volume 26 . 3
Department Poultry Breeding Research Department
Author(s) from ARC
Agris Categories Animal physiology - Growth and developmentAnimal physiology - Nutrition
AGROVOC
TERMS		 Broiler chickens. Feeding. Starvation.
Publication Type Journal
↑