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Öğe Effects of aromatic plant extract mixture on laying efficiency, egg quality and antioxidant status in laying quails(Ankara Univ Press, 2022) Karakçı, Deniz; Çetin, İsmail; Çetin, Ece; Yesilbağ, DeryaThis study aimed to evaluate the effects of commercial plant extract mixture added to laying quail rations on performance, egg quality, plasma antioxidant and blood biochemical parameters. In this experiment, 160 Japanese quails aged twelve weeks were equally divided into four groups of 40 (five replicates of 8 quails each). The study included a control and three treatment groups. The treatment groups were as follows: (1) 100 mg/kg aromatic plant extract mixture-group 1; (2) 150 mg/kg aromatic plant extract mixture-group 2 (3) 200 mg/kg aromatic plant extract mixture-group 3, respectively. When examined the egg parameters at the end of the study, significant differences (P<0.05) were found in the parameters of egg weight, Haugh unit (HU), albumen index, egg yolk color and eggshell thickness. Egg weight and eggshell thickness values were measured the highest (P<0.05) in group 1. HU, egg yellow color and albumen index values were found significantly higher (P<0.05) in all experimental groups compared to the control group. Significant differences (P<0.05) were determined in superoxide dismutase (SOD) and malondialdehyde (MDA) values of plasma antioxidant parameters in the study. In the study, High density lipoprotein (HDL) value, one of the blood (plasma) parameters, was found to be higher (P< 0.001) in the experimental groups. Consequently, we can say that the addition of herbal extract mixture to quail diets increases egg quality and has a positive effect on cholesterol and plasma antioxidant parameters.Öğe Effects of Beta Vinasse Supplementation on Performance, Meat Quality and Ilio-Caecal Microflora in Quail Rations(Hellenic Veterinary Medical Society, 2022) Çetin, İsmail; Yeşilbağ, D.; Cengiz, Şerife Şule; Çetin, Ece; Sarpasar, M.The aim of this study was to evaluate the effects of Beta (?)-vinasse supplementation on the live weight (LW), live weight gain (LWG), feed intake (FI), feed conversion ratio (FCR), carcass yield, meat quality, and ilio-caecal bacteriological flora of quails. A total of 240 5-d-old Japanese (Coturnix coturnix Japonica) quails, including both males and females, were divided into 3 groups 80 quails and treated as follow: a control group (1) with 0 g ?-vinasse/ kg ration; (2) 15 g/kg ?-vinasse and (3) 30 g/kg ?-vinasse. The study lasted for 6 weeks. At the end of the experiment, supplementation with ?-vinasse did not have a significant effect on FI and FCR. Dietary supplementation with 30 g/ kg ?-vinasse significantly (P < 0.05) increased LW (21 d)and LWG (5 to 21 d). The dietary treatment of quails with different levels of ?-vinasse did not affect hot carcass weight, cold carcass weights, hot and cold carcass yields, and breast and thigh pH.The lightness (L*) and yellowness (b*) of breast values were significantly (P<0.05) increased by 30 g/kg supplementation. Different levels of ?-vinasse significantly increased Lactobacillus spp. in faeces. As a result, it was concluded that ?-vinasse (by-product obtained from molasses) can be used in quail diets as an alternative feed source that will meet the nutritional needs of the animal and have positive effects on the digestive system, especially on the intestinal health (an increase in Lactobacillus spp. counts). © 2023, Derya Yesilbag YeşilbağÖğe Effects of Dietary Supplementation of Two Commercial Plant Extracts on the Growth Performance and Ileal Inflammation Score in Broiler Chickens(Istanbul University-Cerrahpaşa, 2020) Yeşilba?, Derya; Çetin, İsmail; Balcı, Faruk; Ardıçlı, Sena; Özyi?it, Musa Özgür; Cengiz, Şerife ŞuleWe studied the effects on the performance and intestinal health of broiler chickens who were given Macleaya cordata (M. cordata) extract alone and those given a newly developed plant extract mixture (PEM) as a natural feed additive in the diet. Total 240 Ross 308 male chicks were used in this study and divided into 4 groups of 60 chicks each. For the experimental groups, 100 ppm PEM was added to the diet of group I (PEM 100); 200 ppm PEM was added for group II (PEM 200), and 18 ppm M. cordata extract (MCE) was added for group III. Although there were no significant differences in the feed conversion ratio, carcass weight, and carcass yield, other performance variables, including body weight, body weight gain, and feed intake were significantly affected. An analysis of the data from this study showed that specified feed additives decreased the ileal inflammation score without changing the villus height in the duodenum of the chickens. In conclusion, dietary supplementation of MCE supplement alone and the effects of newly developed PEM improved the performance parameters. Moreover, it can be said that it has an intestinal inflammation-reducing effect. Thus, this supplementation may have the potential to improve intestinal health. © 2020 Istanbul University. All rights reserved.Öğe Effects of Exogenous Amylase in Transition Dairy Cows Fed LowStarch Diets: 1. Lactation Performance(Veteriner Fakultesi Dergisi, 2019) Gençoğlu, H.; Kara, Çağdaş; Efil, M.M.; Orman, A.; Meral, Y.; Kovanlikaya, E.; Altaş, T.; Çetin, İsmailThe objective of this trial was to determine the effect of exogenous amylase during the transition period in dairy cows on dry matter intake and lactation performance. The effect of exogenous amylase supplementation on lactation diets with low starch concentration (19.5% of dry matter) and dry period diets with moderate starch concentration (15.5% of dry matter) was evaluated. A total of 30 multiparus Holstein cows were randomly assigned to two groups fed diets with (n=15) or without amylase (n=15). Treatments were granular amylase (0.5 g of Ronozyme RumiStar per kg of total mixed ration dry matter) or control. The research was conducted starting at 21 d prepartum until 84 d postpartum. Starch and neutral detergent fiber concentrations averaged 15.5±0.5% and 15.7±0.9%, 42.6±1.1% and 43.4±1.2% in close up diets and 19.8±2.9% and 19.4±0.5%, 33.6±0.8% and 34.2±0.6% in lactation diets for control and amylase, respectively. Dry matter intake, milk yield and composition were evaluated for differences between treatments. Postpartum intakes of dry matter (DMI) and organic matter (OM), neutral detergent fiber (NDF), crude protein (CP), and starch intake were unaffected by treatment. Milk yield was not influenced by treatment, but numerically greater by 2.0 kg/d for cows fed amylase compared with control diet. The percentages of milk fat, protein and lactose were not impressed by treatment, however fat-, solid-, and energy-corrected milk were 2 kg/d greater for cows fed amylase diet than for cows fed control diet. Fat-, solid-, and energy-corrected milk feed conversions (kg/kg DMI) were 5 to 6% greater for cows fed amylase diet than for cows fed control diet (P<0.01). It was concluded that inclusion of amylase improved the feed efficiency of lactating cows fed a low starch diet, may offer for potential to increase milk yield; but the enzyme did not affect DMI. © 2019, Veteriner Fakultesi Dergisi. All rights reserved.Öğe Effects of Oregano Essential Oil (Origanum onites L.) Supplementation on Growth and Biochemical Metabolites in Merino Lambs(2023) Karakçı, Deniz; Çetin, İsmail; Çetin, EceAfter the prohibition of antibiotic usage to improve performance, the breeders have guided to natural resources for this purpose. Essential oils have many beneficial effects and they are ideal to use as a growth promoter feed additive in livestock. In our study for this reason, we used oregano essential oil (Origanum onites L.) in the treatment groups. Thirty Merino lambs (aged of 2.5 month and weighted average 30±0.1 kg) were housed in 45-day to determine the effects of oregano oil on the growth and biochemical metabolites. The main ration includes consisting of concentrate and alfalfa hay. In the control group oregano essential oil was not added. The second group (ORG 250) was supplemented with 250 mg/d oregano essential oil, third group (ORG 500) also were supplemented with 500 mg/d. Bloods were taken from 8 animals for each group in the initial and end of the study. Samples were collected into anticoagulant tubes and plasma were allocated into microtubes and stored until the analysis day. There were statistically differences in growth hormone (GH), total protein, triglyceride, AST concentrations in ORG 500 group at 45th day (p<0.05). However IGF-1, BHBA, albumin, cholesterol ALT, Ca, P levels had no statistically differences. It was defined that the increases in growth hormone, IGF-1 and some biochemical metabolites had positive effects on performance of oregano essential oil at a dose of 500 mg/day in small ruminants. It was concluded that the data that determined in this study will be beneficial for further researches.Öğe Improved Lactational Performance in Dairy Cows Supplemented with Methionine or Rumen-Protected Choline During the Transition Period(Kafkas Univ, Veteriner Fakultesi Dergisi, 2018) Çetin, İsmail; Türkmen, İbrahim İsmet; Kara, Çağdaş; Orman, Abdulkadir; Sen, ErkanThe current study was aimed to determine the effects of dietary supplementation with rumen-protected choline and methionine on dry matter intake, milk yield, milk composition and body condition score of transition cows. In this study, 32 Holstein dairy cows which made one parturition at least was used as the animal material. The cows were randomly assigned to four groups according to lactation number, previous lactation milk yield and body condition score before close-up. Cows within each group was fed a basal control (CON) diet (n=8). Cows in treatment group methionine (MET, n=8) were supplemented with 42 g/d of methionine (Metasmart(R)). Cows in treatment group choline (CHOL, n=8) were supplemented with 75 g/d of rumen protected choline (RPC) source (CholiPEARL (TM)). Cows in treatment group Mix (MIX, n=8) were supplemented with 75 g/d RPC and 42 g/d methionine. Milk yields and dry matter intakes were determined during the trial as daily. At the results of analyses that were detected; milk yield and composition the highest level in MET group (P<0.028). In conclusion of this study that was determined; the supplementation of methionine to the rations of dairy cows affected milk yield and composition positively.Öğe 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, DoğanThis 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).Öğe Proximate Composition of Leg Meat of Slow and Fast-Growing Broiler in Different Housing Systems(Istanbul Univ-Cerrahpasa, 2022) Özbek, Melahat; Petek, Metin; Çavuşoğlu, Enver; Çetin, Ece; Çetin, İsmailThe aim of this study was to evaluate the proximate composition of leg meat of slow- and fast-growing male broilers raised in different housing systems as conventional deep litter floor housing, indoor slatted floor housing, and indoor deep litter floor housing with range access (free-range). After slaughter at 56 days of age, 10 leg muscle samples of each 6 treatment group (2 x 3) were randomly selected and used to assess the meat quality properties. Compared to fast-growing chickens, slow-growing chicken meat had less protein content and higher fat content (p < .003, p < .05). There were significant differences in the water holding capacity of the meat between the slow- and fast-growing broilers (p < .05). The moisture content of the broiler meat produced from deep litter was found to be significantly greater than those of slatted floor housing and free-range (p < .041). The genotype x housing systems interaction for the fat content of leg meat of broiler was significant (p < .044). In conclusion, it can be said that genotype is more effective on proximate composition of broiler leg meat quality than the housing system.Öğe Use of bromass in broiler rations as a different protein source(Ecole Nationale Veterinaire Toulouse, 2019) Cengiz, Şerife Şule; Yeşilbaş, Dilek; Çetin, İsmail; Güneş, N. A.; Eren, M.; Topaloglu, G.In this study, we aimed to determine the effects of modified vinasse (Bromass) on body weight, body weight gain, feed intake, feed conversion ratio, carcass yield, litter quality, blood serum parameters and broiler performance index. A total of 600 Ross-308 broiler chicks were used in the experiment, and the chickens were divided into the following 4 main groups: control (0 g/kg Bromass), group I (5 g/kg Bromass), group II (30 g/kg Bromass), and group III (60 g/kg Bmmass). Additionally, each of the main groups was divided into 10 subgroups of 15 chickens each. The trial lasted for 42 days. Supplementation with Bromass (5, 30 and 60 g/kg) caused significant (P < 0.05) increases in the average body weight, body weight gain, feed intake, feed conversion ratio, carcass weights, carcass yield and breast yields. Additionally, Bromass supplementation caused more dry litter at a significant level (P<0.05) and significant (P<0.05) decrease in serum cholesterol concentration. The addition of Bromass to the broiler diets resulted in a significant decrease in feed prices (P<0.05) and an important increase (P<0.05) in the broiler performance index values. At the end of the study, we concluded that the addition of Bromass as a different protein source, especially at the 30 g/kg level, caused positive effects and Bromass makes it possible to produce a more profitable broiler.Öğe Yumurtacı Bıldırcın Rasyonlarında Beta Vinas Kullanımının Performans, Yumurta Verimi ve Yumurta Kalitesi Üzerine Etkileri(2021) Çetin, İsmail; Yeşilbağ, Derya; Cengiz, Şerife ŞuleBu çalışmada, melastan elde edilen bir fermantasyon ürünü olan beta Vinasın yumurtacıbıldırcın rasyonlarında kullanımının performans ve yumurta kalitesi üzerine olan etkilerinideğerlendirmek amaçlandı. Araştırmada, toplam 180 adet 8 haftalık yaşta Japon bıldırcını, hergrupta 60 adet hayvan olacak şekilde üç gruba ayrıldı (5 alt grup her grupta 12 bıldırcın). Denemegrupları sırasıyla; mısır ve soya temeline dayalı bazal rasyona sırasıyla %0 (Kontrol), %1,5 (15g/kg) (Deneme I) ve %3 (30 g/kg) (Deneme II) beta vinas eklenen gruplardan oluşturuldu.Araştırma sonunda, yem tüketimi, yumurta verimi, yumurta ağırlığı ve yemden yararlanma oranıgibi performansa ilişkin parametre değerlerinde istatistiki açıdan önemli farklılıklar tespitedilmedi (P>0,05). Kontrol grubu ile karşılaştırıldığında rasyona beta vinas katkısı yumurtakabuk kalınlığı ve yumurta kabuk direncini önemli düzeyde iyileştirdi (P<0,001). Buna karşınyumurta şekil indeksi, yumurta sarı rengi ve haugh birimi parametrelerinde önemli bir farklılıksaptanmadı (P>0,05). Sonuç olarak beta vinasın her iki dozunun da yumurtacı bıldırcınlarınyumurta kabuk kalitesinde iyileştirici etkiye sahip olduğu belirlendi.
