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YILMAZ DİKMEN, BİLGEHAN

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YILMAZ DİKMEN

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BİLGEHAN

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2019 - 201912020 - 20231
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    Publication
    Impact of light-emitting diode and compact fluorescent light source type and cage tier on layers reared in an enriched cage system part 1: Production performance and egg quality
    (Tübitak Bilimsel ve Teknolojik Araştırma Kurumu, 2019-01-01) Tünaydın, Gülsüm; Yılmaz Dikmen, Bilgehan; Tünaydın, Gülsüm; YILMAZ DİKMEN, BİLGEHAN; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Zootekni Bölümü; 0000-0002-4397-5428; G-3725-2017; EAY-3502-2022
    This study's aim was to investigate the effects of age, light source type (light-emitting diode (LED), and compact fluorescent (FLO)), and cage tier on production performance and egg quality traits of layers reared in the enriched cage system. A total of 800 Nick Chick White layers were used in the study. A total of 800 eggs were used for egg quality traits at 25 and 45 weeks of age. The enriched cage tiers were coded as I, II, III, and IV from bottom to top. Layer age significantly affected egg mass, hen-day egg production rate, hen-house egg production rate, feed consumption, feed conversion ratio, damaged egg ratio (P < 0.05), egg weight, shape index, shell thickness, albumen weight, yolk weight, shell weight, yolk color index, albumen ratio, yolk ratio, and shell ratio (P < 0.001). The higher egg mass, egg weight, albumen weight, yolk weight, shell thickness (P < 0.001), dirty egg ratio (P < 0.01), and lower FCR, yolk color index (P < 0.01), shell ratio (P < 0.01) were found in the FLO group when compared to the LED group (P < 0.05). Highest body weight was found in cage tier I at 45 weeks of age (P < 0.001). Level of cage tier significantly affected 50% egg production age, egg mass, hen-day egg production rate, hen-house egg production rate, and dirty egg ratio (P < 0.01). Level of cage tier significantly affected 5% egg production age, FCR, and shape index (P < 0.05). It can be concluded that the hens in the FLO group were better than the LED group in terms of some production and egg quality traits.
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    Publication
    Impact of different ratios of single and double interspiking on reproductive performance, some body welfare, and blood parameters of broiler breeders
    (Springer, 2023-02-01) Sabah, Saliha; Yılmaz Dikmen, Bilgehan; Sabah, Saliha; YILMAZ DİKMEN, BİLGEHAN; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Zootekni Bölümü; 0000-0003-4577-8054; 0000-0002-4397-5428; G-3725-2017; FWU-6336-2022
    The purpose of this study was to investigate the effects of different levels of single and double interspiking on reproductive performance, some body welfare, and blood parameters of broiler breeder flock. The study was carried out on a total of 3840 female and 384 male (with average weight 4706.07 & PLUSMN; 307.9 g) Ross 308 broiler breeders having age between 28 to 59 weeks in a broiler breeder house (40 & DEG;13 & PRIME;16.3 & DPRIME;N, 28 degrees 48'19.8 "E) of a private commercial poultry company. A single interspiking was applied at the age of 45 weeks, and a double interspiking was applied at the age of 53 weeks with the ratio 75, 50, and 25% of the males in the trial groups were changed. The age was affected fertility ratio, hatchability of total eggs, and hatchability of fertile eggs in the single and double interspiking groups (P < 0.0001). While the spiking ratio was affected hatchability of fertile eggs in the single interspiking group (P < 0.0001), it was affected the fertility ratio, hatchability of fertile eggs in the double interspiking group (P = 0.015 and P = 0.024). The spiking type was affected fertility ratio and hatchability of total eggs (P = 0.002 and P = 0.001). The age and spiking ratio interaction was affected fertility ratio, hatchability of total eggs, and hatchability of fertile eggs in the single (P < 0.0001, P < 0.0001, and P = 0.053; respectively), and double interspiking groups (P = 0.015, P = 0.009, and P = 0.008; respectively). The age and spiking ratio and age- and spiking-type interaction were not affected body feather score and vent score in single and double interspiking group (P > 0.05). The age, spiking ratio, and type were not affected blood heterophil, lymphocyte, and heterophil/lymphocyte (H/L) ratio in the single and double interspiking group (P > 0.05). In conclusion, spiking program can be applied to the flocks which have poor management conditions and/or have less fertility traits.