Published in Scientific Papers. Series D. Animal Science, Vol. LXV, Issue 2
Written by Marian GHIȚĂ, Carmen Daniela PETCU, Iuliana CODREANU, Gabriel GÂJÂILĂ, Oana Diana MIHAI, Gabriel COTOR
In this paper we would like to observe the dynamics of the red blood cell series of chickens, during their growth and development. Research has taken place on two groups made out of 10 chickens: one group (named group 1) containing an industrial hybrid (Cobb 500), and one group (named group 2) containing common breed chicken. The haematological determination has been made at the age of 14, 45 and 75 days. The results obtained showed that at 45 days, the mean corpuscular haemoglobin presented a significant difference (p<0.05), higher with 6.26% than the chicken in the group 2. Regarding the determination made at the age of 75 days, we have found a significant increase (p<0.05) between the two groups regarding: the red blood cells number (with 18.43% higher than the group 2), the haematocrit value (with 7.64% higher than the group 2), the haemoglobin concentration (with 16.6% in favour of the group 2). Regarding the mean corpuscular volume, it presented a significant increase (with 8.64% higher than the group 1). During the experiment, the concentration of mean corpuscular haemoglobin didn’t present any significant changes (p>0.05), the results of this parameter falling within the physiological values.
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