Plasma Thyroid Hormone Concentrations and pH Values of Some GI-Tract Segments of Broilers Fed on Different Dietary Citric Acid and Microbial Phytase Levels

Rouhollah Nourmohammadi, Seyed Mohammad Hosseini, Hamed Saraee, Alireza Arab and Hamed Arefinia

Journal of Animal and Veterinary Advances 10 ( 11 ): 1450 - 1454 , 2011