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    Effect of Oregano, Cumin and Cinnamon Essential Oils on Fermentation Quality in Alfalfa Silages
    (2019) Soycan Önenç, Sibel; Korkmaz Turgud, Firdevs
    Objective: The aim of this study was to determine the effects of the oregano (OEO), cumin (CEO)and cinnamon (CINEO) essential oils on fermentation quality, metabolic energy (ME) contents andrelative feed value (RFV) of alfalfa silages.Material and Methods: Alfalfa was harvested in the end of April, at the early bloom-stage, waswilted for 3 hours and chopped to approximately to a size of 2.0 cm. OEO, CEO and CINEO essentialoils were added as additivies in an amount of 600 mg/kg wet chopped alfalfa, yet no additives wereadded to the control (CONT) group. The packages of silage were kept in a covered storage (18±4°C) for 60 days for fermentation.Results: The addition of cumin and cinnamon led to a significant increase in dry matter (DM)(P<0.05). The addition of essential oils at high level caused an increase in lactic acid (LA), whilethe amount of water soluble carbohydrate (WSC) decreased inversely correlated with LA (P<0.05).The treatment was increased lactic acid bacteria (LAB) numbers, and also caused a decrease in thenumber of yeast and mould at a significant level (P <0.05). All three essential oils led to a decreasein pH, the amount of weigth loss (WL) and ammonia nitrogen (NH3-N). In the cumin and cinnamonessential oil treatments increased amount of enzimatic solubility organic matter (ESOM) (P<0.05).Conclusion: It was concluded that OEO, CEO and CINEO promote to increase LAB population. Inaddition, MEESOM content calculated through ESOM was increased in OEO and CINEO treatments.
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    Effects of monochromatic light stimuli during embryogenesis on some performance traits, behavior, and fear responses in Japanese quails
    (Oxford Univ Press, 2018) Sabuncuoğlu, Kübra Melis; Korkmaz Turgud, Firdevs; Gürcan, Eser Kemal; Narinç, Doğan; Şamlı, Hasan Ersin
    Lighting is crucial in poultry rearing and the subjects with light intensity, source, and color having been addressed in numerous studies. Numerous studies with monochromatic light from light-emitting diode (LED) bulbs have been reported. In the current study, fertile Japanese quail eggs were exposed to a dark environment (Control) or monochromatic green (560 nm) and blue (480 nm) lighting throughout incubation. There were no significant differences in hatch weight, hatchability, total embryonic mortality, hatch time, growth performance, and slaughter-carcass traits in the study (P > 0.05). Furthermore, the lowest mean in terms of early embryonic mortalities (12.37%) was determined in the group treated with green LED light-ing (P < 0.05), whereas it was discovered that the lowest mean in terms of late embryonic mortalities (13.59%) was in the group treated with blue LED lighting (P < 0.05). During the test time, the green LED group showed higher averages in terms of the number of peeps and first defecation time as response to environmental stimuli (P < 0.05). The highest mean for jumping (7.6 times) was detected in the group treated with blue LED lighting (P < 0.05). In conclusion, it was revealed that the blue and green LED lighting applied to the Japanese quail eggs in incubation had no effects on incubation traits, growth, and slaughter-carcass traits but had positive effects on some behavioral traits.
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    Influence of Supplementation with Plant Extract Mixture on Growth Performance and Blood Parameters in Quail Diets
    (2021) Çetin, İsmail; Belenli, Deniz; Yeşilbağ, Derya; Korkmaz Turgud, Firdevs; Narinç, Doğan
    This study aimed to investigate the utility of plant extract mixture (PEM) (Sanguinarine, Honokiol and Magnolol) in quail diets as a natural feed additive, on performance and biochemical parameters. PEMs were supplemented in quail diet to determine the effects of the PEM on feed intake (FI), feed conversion ratio (FCR), live weight (LW), live weight gain (LWG), carcass yield (CY), organ weights and blood parameters. A total of 300 quails were separated into four groups of 75 quails each and treated as follows: a control treatment with 0 g/ton PEM to diet; (PEM100) 100 g/ton PEM to diet; (PEM150) 150 g/ton PEM to diet, and (PEM200) 200 g/ton PEM to diet. The results of the research demonstrated that 100 and 150 g/ton concentrations of PEM caused significant (p < .05) improvement in LWG during the starter and grower periods. Liver weight, live weight, and carcass weight were significantly lower (p < .000) in the PEM100 and PEM200 groups than in the control group. The highest superoxide dismutase (SOD) value was in the PEM150 group (p < .05). In conclusion, we can say that the new-generation PEM increases feed consumption because of the flavor of the feed, results in gain in the LW during the development period, and might have positive effects on blood antioxidant parameter (SOD).
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    Usage possibilities of some insect species in feeds
    (Namik Kemal University - Agricultural Faculty, 2018) Sabuncuoğlu, Kübra Melis; Korkmaz Turgud, Firdevs; Şamlı, Hasan Ersin
    In this study, basic nutrient contents and fatty acid methyl ester composition of larvae period (Tenebrio molitor), buffalo worm (Alphitobius diaperinus) and morio worm (Zophobas morio) were investigated by gas chromatographic methods and their possibilities of using in feeds were investigated. The highest crude protein ratio was found to be (as) 63.94% in the buffalo. The highest fat content was found in morio (39.99%). Crude fiber rates varied between 7.07-7.89%. The flour used in the study was dry, and the palmitic acid values of morio and buffalo worms ranged from 30.453 to 40.437%. Oleic acid values were found to be (as) 36.252-50.545%. Linoleic acid was found to be the highest value with 20.349% of buffalo. It is thought that dried insect larvae of used in the study can be used instead of animal protein sources when evaluated according to the nutrient parameters examined. However, detection of possible anti nutritive effects and performance values should be considered in further studies. © 2018 Namik Kemal University - Agricultural Faculty. All rights reserved.