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Paper Information

Journal:   IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS   march-april 2018 , Volume 34 , Number 1 (87) #b00510; Page(s) 29 To 39.
 
Paper: 

The effects of probiotics, Thymus vulgaris L. and Glycyrrhiza glabra L. on blood parameters, immune response, carcass characteristics and performance of broiler chickens

 
 
Author(s):  HAMIDI M., RAHIMI SH.*, MOJGANI N.
 
* Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
 
Abstract: 
In this study, the effect of probiotics, extract powder of thyme (Thymus vulgaris L. ) and licorice (Glycyrrhiza glabra L. ) were investigated on blood parameters, immune response, carcass characteristics and performance of broilers. Three hundred and thirty six broiler chicks (Ross 308) were housed in a completely randomized design with six treatments, four replicates and 14 birds in each experimental unit and reared on litter for 42 days. The treatments consisted of 1) basal diet + probiotic Hyprozyme, 2) basal diet + Bactocell, 3) basal diet + Prophyt (extract powder thyme + Hyprozyme + licorice), 4) basal diet + Phytobiotic (extract powder thyme + licorice), 5) control and 6) basal diet + antibiotic. The experimental diets were fed from day one until end of the experiment (day 42). Statistical analysis of data showed significant difference (P≤ 0. 05) of FCR in probiotic Hyprozyme group ratio compared to the control group. Feed consumption was lowest (P≤ 0. 05) in treatment 1 compared to others. The treatments had no significant effect on carcass characteristics. The relative weight of bursa Fabricius in antibiotic supplemented group was significantly different with treatment 3 (P≤ 0. 05). Statistical analysis of the results showed significant difference (P≤ 0. 05) of serum cholesterol in Bactocell group compared to control group. Addition of Haprozym to basal diet significantly increased (P≤ 0. 05) the total protein and triglyceride levels compared to control group. Serum globulin was statistically higher (P≤ 0. 05) in treatments 1, 3 and 4 compared to control group. The highest antibody titer against SRBC was observed in Bactocell group compared to control group (P≤ 0. 05). Overall, it can be stated that the use of resources such as hypro-zyme (732gr/ton) and phytobiotic can be introduced as antibiotic alternatives in poultry production.
 
Keyword(s): Thyme (Thymus vulgaris L.),bactocell,licorice (Glycyrrhiza glabra L.),hyprozyme,performance
 
References: 
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