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Home > Archives > Volume 20, No 8 (2022) > Article

DOI: 10.14704/nq.2022.20.8.NQ44588

Study effect of synergistic metabolism for Betaine and Taurine compounds with synthetic methionine upon productive Performance, carcass characteristics For Broiler

Hiyam M. AL-Jobouri, R.H .AL-Dalawi

Abstract

This experiment was conducted in poultry fields of the Department of Animal Production - College of Agriculture - University of Kirkuk for the period from 20/3/2021 to 1/5/2021 for a period of 42 days (field work) The aim of this study was to determine the effect of Betaine and Taurine with the DL-methionine upon the productive performance carcass characteristics for broiler ROSS 308. In this study,350 chicks of broiler type ROSS 308 were used, not naturalized, at the age of one day, as the primary rate per chicken was 42 g, Chickens were distributed from the first day to 7 feeding treatments, (50 birds/ treatment) with 5 replications/ treatment. (1 replicate/ 10 birds), and each duplicate included 10 birds in a pens 35 with dimensions (90×190cm). The birds were freely fed and the feeding treatments were as follows: The first treatment (Control) is negative without any addition to methionine, And the second treatment ispositive to add the Industrial methionine to fill the needs,Andthird treatment adding the Betaine to meet the needs of thebird instead of the industrial methionine. And fourth transaction adds the Taurine to fill the needs of the bird instead of the industrial methionine. AndFifth Transaction is done Addition of Betaine at 50% and Taurine at 50% to meet the needs of the bird from synthetic methionine. And sixth treatment to meet the needs of methionine the Betaine Is added by 25% and the taurine 75%. And seventh treatment Betaine is added at 75% and Taurine at 25% to meet the birds' needs of industrial methionine. The results of statistical analysis showed that significant differences were found (P≤0.05) in weight gain average, also we noticed significant exceed for T3,T4,T5,T6 and T7 upon T2 and in feed intake average we notice significant decrease for all treatments were added by Betaine, Taurine and DL- Methionine in compared with control group (T1), While in feed conversion ratio average notice that the fifth, sixth and seventh treatments were added by Betaine and Taurine gave the best food conversion coefficient, significantly superior to the first (control)treatment, While in main carcass parts T6 and T7 were significant exceed over T3 and T4 in dressing ratio ,No significant differences were noticed in relative weight average for femoral joint among treatments. As for the relative weight for the back, wings, chest and neck(minor parts)T2,T3,T4,T5,T6 and T7 were significant exceed over T1(control).

Keywords

Betaine, Taurine, Industrial methionine ,broilers.

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