Dietary fat and protein interactions in the broiler.

Effect of dietary protein lowering and supplementation of peppermint extract on yield, carcass, blood parameters and microbial population of broiler chickens

Extended Abstract Introduction and Objective: Due to population growth and increasing demand for protein sources, poultry farming became industrialized. This has increased the density of breeding per unit area and also increased the likelihood of disease in them. However, the spread of diseases has led to a greater tendency to use antibiotics. Therefore, one of the ways to reduce the use of an...

The Effects of L-Carnitine and Different Levels of Animal Fat on Performance, Carcass Characteristics, some Blood Parameters and Immune Response in Broiler Chicks

This study was conducted to investigate the effects of L-carnitine and different levels of animal fat on performance, carcass characteristics and some blood parameters of broiler chickens. Two hundred one-day old male broiler chicks were allotted to5 treatments in 4 replicates and 10 birds in each replicate. Dietary treatments consisted of: 1) diet with 5% vegetable oil (T1), 2) diet with 5% ve...

Effects of feed restriction and dietary fat type on mRNA expression of liver fatty acid-binding protein (L-FABP) in broilers

Background: Liver fatty acid-binding protein (L-FABP) is the main cytosolic binding site for long chain fatty acids in hepatocytes. FABPs enhance the uptake of fatty acids into the cell by increasing their concentration due to decreasing concentration of unbound fatty acids inside the cell. Objectives: The aim of this study was to evaluate the effects of dietary unsaturated to saturated fatty a...

The effect of Dietary Fiber Source and Threonine Level on Growth Performance, Nutrients Digestibility and Digesta Characteristics of Broiler Chickens in a Period of 24 Days

The aim of this study was to survey the effect of different dietary fiber source and thereonine levels on growth response, nutrients digestibility and some digesta characteristics of broiler chickens. A total of 180 day-old male Ross 308 chicks were used  in a completely randomized design with a factorial arrangement of 2×3 with 4 replicates of 6 birds each for a period of 24 days. The diets co...

Effects of Dietary Vitamin C, E and Fat on CD4 to CD8 T Cell Ratios in Peripheral Blood of Heat-stressed Broiler Chicks

Effects of the Time of the Switch from an Unsaturated (Sunflower Oil) to a Saturated (Tallow) Dietary Fat Source on Performance and Carcass Fatty Acid Profile of Broiler Chickens

A total of 700 day old female broiler chicks (Ross 308) were distributed into seven groupsin acompletely randomized designwith five replicates, and 20 chicks in each replicate. Dietary treatments, timeof the switch from an unsaturated sunflower oil (SFO) to a saturated tallow (T)dietary fat source, were: 1) SFO for the entire growth period (6 weeks), 2) SFO for 5 weeks followed byT for last wee...