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Effects of dietary oil sources and calcium: phosphorus levels on growth performance, gut morphology and apparent digestibility of broiler chickens

Abdulla, Nazim Rasul and Loh, Teck Chwen and Akit, Henny and Sazili, Awis Qurni and Foo, Hooi Ling (2016) Effects of dietary oil sources and calcium: phosphorus levels on growth performance, gut morphology and apparent digestibility of broiler chickens. South African Journal of Animal Science, 46 (1). pp. 42-53. ISSN 0375-1589; ESSN: 2221-4062

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Abstract

The study investigated the effects of varying dietary calcium (Ca) levels and sources of oil on performance of broiler chickens. A total of 378 one-day-old birds were fed 6% palm oil (PO), soybean oil (SO) or linseed oil (LO) in combination with three levels of Ca, 1%, 1.25% and 1.5%, for six weeks in a 3 x 3 factorial experiment. Birds fed diet supplemented with SO and PO had higher average daily gains, more abdominal fat and greater villi height compared with those fed LO. However, feed efficiency, apparent digestibility of organic matter, ether extract, crude protein and ash were similar across treatments. Regardless of oil source, the chickens fed diets containing 1.5% Ca had a lower bodyweight and apparent digestibility of organic matter, crude protein, ether extract and phosphorus (P) than those fed 1% and 1.25% Ca. In contrast, the birds fed 1.25% Ca had higher ash, Ca and P digestibility than did the 1% Ca birds. Interaction between source of oil and Ca level on mineral digestibility was significant. It can be concluded that palm oil could be used as an alternative to soybean and linseed oils to improve growth performance in broiler chickens. Moreover, increasing the level of Ca to 1.25% can improve broiler performance and apparent nutrient digestibility, regardless of the type of oil used in the current study.

Item Type:Article
Keyword:Broiler performance; Dietary calcium levels; Linseed oil; Nutrient digestibility; Palm oil; Soybean oil; Villus height
Faculty or Institute:Faculty of Agriculture
Faculty of Biotechnology and Biomolecular Sciences
Halal Products Research Institute
Institute of Tropical Agriculture
Publisher:South African Society for Animal Science
DOI Number:10.4314/sajas.v46i1.6
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.4314/sajas.v46i1.6
ID Code:52394
Deposited By: Nabilah Mustapa
Deposited On:06 Jun 2017 16:17
Last Modified:06 Jun 2017 16:17

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