Feyyaz ÖNDER, METİN ÇENESİZ, MEHMET KAYA, Metehan UZUN, Güler KARADEMİR

Japon bıldırcınlarında (Coturnix coturnix japonica) rasyona yüksek düzeylerde bakır ilavesinin tiroit hormonları ve bazı kan değerleri üzerine etkisi

Bu araştırmada Japon bıldırcınlarında (Coturnix coturnix japonica) rasyona yüksek düzeylerde bakır ilavesinin tiroit hormonları ve bazı kan değerleri üzerine etkilerinin belirlenmesi amaçlanmıştır. Araştırmada materyal olarak 1 günlük toplam 64 Japon bıldırcını kullanıldı. Civcivler 4 gruba ayrıldı ve 40 gün süreyle 0 mg/kg (kontrol, grup I), 100 mg/kg (grup II), 250 mg/kg (grup III) ve 500 mg/kg (grup IV) bakır ilave edilen rasyonla beslendi. Hematokrit değer, akyuvar sayısı, akyuvarların yüzde oranı, serum tiroit uyarıcı hormon (TSH) ve serbest triiyodotironin (ST3) düzeyleri gruplar arasında farklılık göstermedi (P>0.05). Serum bakır düzeyleri bakır ilave edilen gruplarda (grup II, III, IV) arttı (P

Anahtar Kelimeler:

alyuvar sayısı, Japon bıldırcını, bakır, yem katkı maddeleri, hematokrit, hemoglobin değeri, akyuvar sayısı, canlı ağırlık artışı, tiroid hormonları

Effects of high levels of copper supplementation to the diet on some blood values and thyroid hormones in Japanese quails (Coturnix coturnix japonica)

In this study was aimed to determine the effects of high levels of copper supplementation on some blood values and thyroid hormones in Japanese quails (Coturnix coturnix japonica). It was used totally 64 Japanese quail (one-day-old) as material in the study. Chicks were divided into four groups and they were given 0 mg/kg (control, group I), 100 mg/kg (group II), 250 (group III) and 500 mg/kg (group IV) copper in addition to their concentrate for 40 days. There were no difference hematocrit value, leukocyte number, differential leukocyte number, serum thyroid stimulating hormone (TSH) and free triiodothyronine levels (FT3) between the groups (P>0.05). Serum copper levels were enhanced in copper supplemented groups (group II, III, IV) (P<0.05). Copper supplementation to diet was induced to reduce the serum free thyroxine and erythrocyte number in all experimental groups (group II, III, IV) (P<0.05). Hemoglobin amount were enhanced significantly (P<0.05) in groups III and IV compared with control group and group II. It was induced to reduce in weight gain the 500 mg/kg Cu supplementation to the diet in compared with other groups (P<0.05). As a result, the findings obtained from in this study is important that in terms of to reveal effects of excessive copper on thyroid hormones and to be used as a source prospective investigations.

Keywords:

erythrocyte count, Japanese quails, copper, feed additives, haematocrit, haemoglobin value, leukocyte count, liveweight gain, thyroid hormones,

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