Abstract
ABSTRACT The subject of this study was to evaluate the effects of lentil byproduct (LP) on growth performance, carcass traits and egg yield of quail (Coturnix coturnix Japonica). To achieve this goal, a total of 600 0-day-old quail chicks were used. The birds were divided into 5 groups with 3 replicates. The 1st, 2nd, 3rd, 4th and 5th groups received 0, 5, 10, 15 and 20% lentil byproduct, respectively. All the diets were prepared as isonitrogenous and isocaloric. As a result of this study, the highest live body weights of quails as Laudadio mixed gender were observed in the 3rd (195.5 g) and 5th (195.3 g) groups at the end of the study, however the differences between the control and treatment groups were not significant (p>0.05). Similar results were observed in the carcass traits, as well. The best feed conversion ratio (FCR) was noted in both the 2nd and 3rd groups as 3.04 and it was significantly (p<0.05) different than in the control and other treatment groups. The least feed intake (FI) was observed in the 2nd group. The highest and the lowest egg yield percentages were in the 3rd (90.78 %) and 5th (66.57 %) groups, and differences were significant (p<0.01). Linear increments were observed in the yolk color when LP increased in the diet. As a result, it could be concluded that lentil by product could be added into quail diets up to 15% with no negative effect on live body weight (BW) and carcass traits and to get better yolk color.
Highlights
It is a fact that feed is the single greatest cost of poultry production
The studies about the effect of lentil byproduct (LP) on egg yield and growth performance of quails are still not clear so far. This is the experiment conducted to evaluate the impact of LP on fattening performance, carcass traits (CT), feed intake (FI), feed conversion ratio (FCR), egg yield and egg quality traits of Japanese quails (Coturnix coturnix Japonica)
That means that inclusion of 15 and 20% LP decreased dressing percentage of male quails due to the negative effect of LP. These results indicate that using LP up to 10% is not recommended in terms of dressing percentage in quail diets
Summary
It is a fact that feed is the single greatest cost of poultry production. In non-ruminant diets, soybean meal and corn have been used widely as protein and energy sources. If the lentils are suffered from quality problems (such as discolored, frost damage or seed damage), and are considered as byproducts after the processing, (Ogretmen et al, 1993; Çabuk et al, 2014), they become occasionally available to the animal feed industry. These byproducts do not pose any problems when such lentils are fed to nonruminant animals like poultry and pigs of all ages in appropriate amounts (Mavromichalis, 2013)
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