effects of coenzyme q10 supplementation on growth performance, some hematological parameters, plasma enzymes activities in broilers with pulmonary hypertension syndrome (phs)

Authors

m. fathi

abstract

this study investigated the effects of coenzyme q10 (coq10) supplementation on hematological, enzymes activities and biochemical parameters in broilers with pulmonary hypertension syndrome (phs).two hundred and forty 1-d-old ross 308 male broiler chicks were randomly allocated into 3 groups with 4 replicates. from d 14, the diets were supplemented with coq10 at levels of 0, 20 and 40 mg/kg, respectively, while exposing them to low ambient temperature (10 to 15 ˚c) to induce phsuntil d 42.mortality was inspected to determine cause of death and diagnose of phs. hematological, biochemical and pathological tests were used to determine the incidence of phs: total red blood cell (rbc), hemoglobin (hgb), hematocrit (hct), plasma protein and glucose, activity of alanine transaminase (alt), aspartate transaminase (ast) and lactate dehydrogenase (ldh).blood samples were taken at d 21 and 42. at the end of the experiment (wk 6), 2 chicks from each replicate were randomly selected and slaughtered. the heart was removed; the right ventricle was dissected away from the left ventricle and septum and the ratio of right ventricle weight to total ventricle weight (rv/tv) was calculated.average bw gain and average feed intake were measured weekly from d 15 and average feed conversion ratio was calculated and reported weekly.the results showed that 40 mg/kg coq10 supplementationimprovedfeed conversion ratio(fcr)(p

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Journal title:
iranian journal of applied animal science

Publisher: islamic azad university - rasht branch

ISSN 2251-628X

volume 5

issue 1 2015

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