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AK, İBRAHİM

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AK

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İBRAHİM

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    Publication
    Effects of in-ovo injection of glutamine on late-term embryo development, hatchability, one-day old chick quality and small intestine morphological traits in broilers
    (Eugen Ulmer Gmbh Co, 2020-01-17) Sözcü, A.; Ak, İbrahim; AK, İBRAHİM; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Zootekni Bölümü; CBP-9147-2022
    This study investigated the effects of in-ovo injection of glutamine on late term embryo development, hatchability, one-day old chick quality and small intestine morphological traits in broilers. Hatching eggs were obtained from a Ross 308 breeder flock at 36 weeks of age and were injected with glutamine into the air sac on day 17 of incubation. Six treatment groups were created as follows: negative control (no injection), positive control (injected with only distilled water), and four groups injected with different doses of glutamine dissolved in 0.5 ml distilled water, dose 1: 20 mg; dose 2: 40 mg; dose 3: 60 mg; dose 4: 80 mg. On day 20 of incubation, embryo weight, yolk absorption and embryo body and leg length were found to be highest in embryos given 40 mg of glutamine (P < 0.01). Chick hatching weight and relative chick weight were highest in the 40 mg treatment (dose 2) (45.9 g and 72.2% respectively). At hatch, villus growth in the duodenum, jejenum and ileum was stimulated by glutamine injection at dose 2 (40 mg). These findings showed that a 40 mg glutamine in-ovo injection gave the optimum increase in embryonic growth and liveability, chick quality and villus development in broilers.
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    Effect of royal jelly on puberty of ewe lambs
    (Polish Soc Veterinary Sciences Editorial Office, 2021-09-01) Sengül, Ömer; İbrahim, A.k; Emsen, Berna; ŞENGÜL, ÖMER; AK, İBRAHİM; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Zootekni Bölümü; 0000-0001-5078-2002; AAH-2915-2021; EZK-6483-2022
    In this study, we investigated the effect of royal jelly on the puberty of female 1/4 Romanov x 3/4 Morkaraman crossbred lambs. Royal jelly was applied in two ways: orally and intravaginally. The rate of estrus as well as the day and time (in hours) of estrus were observed and determined by real-time ultrasonography (for pregnancy) and laparoscopic surgery (ovary examination). Three groups of lambs were observed. The first group, consisting of 15 female lambs, was treated intravaginally; in the second group, 15 female lambs were treated orally; and the third group, which served as control, consisted of 10 ewe lambs that were not treated with royal jelly. Estrus rates in the intravaginally and orally treated groups were 13% and 20%, respectively, whereas the control group showed no estrus activity. However, estrus interval in both groups was observed 3-5 days after the withdrawal of the treatment. All the animals had an active ovary when observed during estrus activity by ovary examination. Yearling 1/4 Romanov-bred ewes respond positively to royal jelly application. Increasing the doses and extending the duration of royal jelly application might yield better results.