Abstract
The present study was conducted to evaluation the different levels canola meal (CM) replacement by soybean meal (SBM) in Japanese quails diets on productive performance, egg quality trails and blood parameters including blood protein, minerals concentration, liver enzymes and thyroid hormones. In this study, 160 of Japanese quails in second laying phase from 46 to 56 weeks of age were divided in four treatments with four replicates and 10 quail in each per replicate, on a completely randomized design (CRD).Treatments consisted:T1) control (without CM), T2, T3 and T4) replacing 30, 60 and 90% of SBM with CM respectively. The results were shown no significant variation in body weight between treatments in initial and end of the experiment (p > 0.05). There was significant decrease in feed intake by increasing level of CM (p 0.05). However, the egg shell thickness showed significantly decreased with increasing levels of canola meal in the diet (p < 0.05). According to this study results, 30% replacement of SBM by CM in the diet (contained 10% CM) has no adverse effect on quail’s performance.
Highlights
Researchers have been concerned over the recent years to find out solutions for poultry feeding which to support high performance and lead to lower feeding costs (Khoramabadi, Akbari, Khajali, Noorani, & Rahmatnejad, 2014)
The objective of this study was to determine optimum inclusion levels replacing of SBM by CM in the diet and their effects on egg weight, daily feed intake, feed conversion ratio, egg quality and blood parameters in Japanese quail
The decrease in feed intake associated with dietary canola meal has been found by other researchers (Leslie & Summers, 1972)
Summary
Researchers have been concerned over the recent years to find out solutions for poultry feeding which to support high performance and lead to lower feeding costs (Khoramabadi, Akbari, Khajali, Noorani, & Rahmatnejad, 2014). Kloss et al (1994) did not find any impact from feeding glucosinolates-extracted crambe meal on GGT, lipase and amylase.There is no agreement among scientists on glucosinolates levels impairing egg laying performance. This can probably be attributed to the source of the glucosinolates (Waldroup, Goodner, & Sloan, 1970). Some researchers have shown that canola meal could be used up to 20% level in the compound feed formulation and replacing by 25-30% of the dietary soybean meal, without significantly adverse effect on the laying performance and egg quality (Georgeta, 2009). The objective of this study was to determine optimum inclusion levels replacing of SBM by CM in the diet and their effects on egg weight, daily feed intake, feed conversion ratio, egg quality and blood parameters in Japanese quail
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