Effects of Terebinth (Pistacia terebinthus L.) Fruit Oil Supplementation to Diets on Fattening Performance, Carcass Characteristics, Blood Parameters and Breast Meat Fatty Acid Composition in Japanese Quails (Coturnix coturnix Japonica)({[}1])
Abstract
The objective of this study was to determine effects of terebinth fruit
oil (TFO) supplementation to diet on growth performance, carcass
characteristics, some blood parameters and composition of breast meat
fatty acids in Japanese quails. Totally 240 unsexed daily Japanese quail
chicks were assigned randomly to three treatment groups. Each group
divided into 4 replicates, each containing 20 birds. A group was fed
with basal starter diet for 1-21(th) days and grower diet for 22-42(th)
days (Control). Treatment groups were also fed same diets additionally
their ration added by 130 (Group A) or 260 mg/kg TFO (Group B) during
the study. At 42 d of study, 20 quails (5 quails from each subgroup)
from each group slaughtered for determination of carcass traits, blood
parameters and fatty acid composition of breast meat. As a result of
this study, final live weight of quails in Group B was found higher than
Control and Group A (P < 0.05). There were no differences on the average
live weight gains of the birds among the groups. Average feed intake in
Group A was found lower than Control and Group B on basis of whole study
period (P < 0.05). Average feed conversion ratio in Group A was found
better than Control on basis of whole study period (P < 0.05). Carcass
weight in Group B was found higher than Group A (P < 0.05). There were
no differences on carcass yield and breast- ,leg-, wing-, heart-, liver-
and gizzard ratio to carcass weights of the birds in all groups. Serum
total cholesterol, high density lipoprotein, aspartate amino
transferase, alkaline phosphatase, total protein, albumin and globulin
did not differ among the groups. There were no differences on
composition of breast meat fatty acid profiles. In conclusion, due to
supplementation of 260 mg/kg TFO enhanced live weight and carcass
weight, and 130 mg/kg TFO decreased feed intake and improved feed
conversion ratio, TFO could be used as a supplement at indicated doses
for quail fattening rations.
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