Influence of in ovo-injection the hatching eggs with some nutrients (Folic acid, pyridoxine, Threonine) on some production performance of broiler.

	Influence of in ovo-injection the hatching eggs with some nutrients (Folic acid, pyridoxine, Threonine) on some production performance of broiler.
Jornal of Al-Muthanna for Agricultural Sciences
Article 1, Volume 3, Issue 1, 2015, Pages 1-17
Abstract
Summary The study was carried out at the poultry farm, Animal production Dept. Agriculture College. University of basrah to define the influence of in ovo-injection the hatching eggs with some nutrients (folic acid, pyridoxine, Threonine) on some production performance of broiler. The study was carried with period 28/2/2013 to 25/4/2013 (750) hatching egg (Ross 308) was in cubeted, on fourteenth day , egg, The residual eggs divided into (7) equal treatment and injection with 0.1 ml of ready solution according to the following treatment: 1- The first treatment (T2): injection of 30mg Threonine / egg. 2- The second treatment (T2): injection of 100mg pyridoxine / egg. 3- The third treatment (T3): injection of 30mg and 100mg) Threonine and pyridoxine. 4- The fourth treatment (T4): injection of 250mg folic acid /egg. 5- The fifth treatment (T5): injection of (30mg and 250mg) Threonine and folic acid /egg. 6- The sixth treatment: positive control. 7- The seventh treatment: without injection (negative control). Rearing stage was conducted in the poultry farm 21/3/2013 to 25/4/2013 Hatching chicks from each treatment were divided into three replicate adjuster (15) birds, for each replicate. *Part of Ph. D. thesis for the third author The results of this study indicated that: 1- There were significant effects (p˂0.05) to injection eggs with some nutrients (folic acid, pyridoxine and Threonine) on some production performance of broiler comparative with negative and positive control treatment. 2- There was a significant rise (p˂0.05) in body weight, gain weight, feed conversion comparative with other experiment treatment. 3- There was high significant rise (p˂0.05) on feed the last three week in the bird that hatching from the eggs injection with (Threonine and folic acid) comparative with other treatment. 4- The birds that hatching from the eggs injection with pyridoxine was the lowest in mortality comparative with other treatment.

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