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Microscopic Features of Gonadally Inactive Testis of Khaki Campbell Duck (Anas platyrhynchos domesticus) in Bangladesh Texte intégral
2021
Papia Khatun | Ziaul Haque | Shonkor Kumar Das
The microscopic features of the testis were studied in gonadally inactive Khaki Campbell duck (Anas platyrhynchos domesticus) in Bangladesh. The study was conducted in the Department of Anatomy & Histology, Bangladesh Agricultural University, Mymensingh. Five adult healthy birds of one-year-old were used for this study. The testes were collected immediately after ethical killing of the birds for histological observations. The collected tissue samples were then processed and stained with Hematoxylene & Eosin (H & E) stain for histological observations. The seminiferous tubules showed considerable involution with cessation of spermatogenesis. The basal lamina of the seminiferous tubules was irregular in outline and was invaginated into the germinal epithelium in the form of finger-like plicae or folds. Most of the lumen of the seminiferous tubules was empty and all generation of germ cells were not present in most of the seminifeous tubules. The interstitium showed a relative increase in volume and interstitial tissue consisted of loose connective tissue, interstitial cells (Leydig cells), few connective cells and blood vessels. This study first time described the microscopic features of testis of Khaki Campbell ducks in Bangladesh during inactive phases of the reproductive cycle.
Afficher plus [+] Moins [-]The Effect of Flock Age on Hatching Results and Chick Quality in Ross 308 Broiler Texte intégral
2021
Murat Durmuş | Kadriye Kurşun | Mikail Baylan | Hasan Rüştü Kutlu
The present study was planned to determine the effect of flock age on hatching results and chick quality in Ross 308 broiler parents. For this purpose, the eggs of three different flock age (30, 47, and 59 weeks of age) were used. A total of 450 eggs (50 × 3 for each group), including 150 eggs from each age group, were placed in the incubator as a coincidence. The number of alive chicks after hatching was determined and these chicks were classified into three quality groups as low quality, high quality, and discarded chicks. Non-hatched eggs were broken in order to control the fertility and determine the embryonic deaths. At the end of the study, the effect of the flock age on fertility rate (%), hatchability (%) and chick quality was found to be significant. However, the effect of flock age on hatchablity of fertile eggs and early, mid, and late-period embryo deaths were found to be insignificant. It was found that eggs obtained from the young breeders were higher in terms of fertility rate and hatchability than eggs obtained from old breeders. The chicks obtained from young breeders' eggs were determined as 33.60% high quality, 48.10% low quality, and 18.30% discarded chicks. These rates were 32.70%, 43.40%, and 23.90% in chicks obtained from middle-aged breeders, respectively, 56.10%, 36.40%, and 7.50% in chicks obtained from the old breeders. As a result, it was determined that there was a decrease in the hatching results in parallel with the increase in breeding age, but the chick quality increased.
Afficher plus [+] Moins [-]Effect of Chemical Refining Steps on the Some Micro and Macro Element Content and Quality Parameters in Corn Oil Texte intégral
2021
Ayşe Semra Aksoy | Murat Taşan
In this study, it was aimed to determine some element contents and some quality properties and to compare these parameters at each stage in the chemically refining process of crude corn oil. Color (lovibond tintometer), free fatty acidity, peroxide values and fatty acid compositions were determined in the samples of corn oil taken from consecutive stages of chemically refining. Also, the content of elements (Na, Mg, K, Ca, Fe, Pb, Cd, Ni, Mn, Zn, Co, Cr, P, Cu) was analyzed, by using inductively-coupled plasma-mass spectrometry (ICP-MS) and inductively-coupled plasma-optical emission spectrometry (ICP-OES) after microwave digestion. The color (Lovibond tintometer), free fatty acidity and peroxide values in the chemically refining process varied between 2.7-16, %0.09-2.12, 10.95-1.08 mEqO2/kg, respectively. Oleic, linoleic and linolenic acid contents changed between 30.486-30.580%, 54.339-54.703% and 0.972-0.993%, respectively, in the chemically refining stages. While no trans fatty acids detected in crude corn oil and after degumming-neutralization step, very low amount of trans oleic acid (0.040%) and total trans linoleic acid (0.132%) was detected in bleached corn oil. The total trans fatty acid content little more increased in the last stage of the chemically refining. However, total trans fatty acid content of refined corn oil was < 0.3%. It was clearly seen that Na, Mg, K, P, Ca, Mn, Fe, Pb, Ni, Cr, Cu element contents decreased significantly at the end of the chemically refining process. Although Cd, Co and Zn elements were determined in crude corn oil, these elements were not detected in the refined corn oil. The results obtained showed that the chemically refining process effected some of the quality properties of corn oil and especially the changes in the element contents.
Afficher plus [+] Moins [-]Effect of Different Pre-Sowing Treatments on Germination of Persian Walnut (Juglans Regia L.) in Rukum (East) District, Nepal Texte intégral
2021
Sagar Lamichhane | Rabin Thapa | Praseed Thapa | Kafil Ahamad
A field-based experiment was carried out in Rukum (East), Nepal, from February to June 2020, to assess the effect of different pre-sowing treatments on germination of Persian walnut. The experiment was carried out in a randomized complete block design with six treatments and four replications. The treatments included hot water treatment, chilling stratification only, cracking + Gibberellic acid (500ppm) followed by chilling stratification, cracking + Gibberellic acid (750ppm) followed by chilling stratification, Gibberellic acid (500ppm) + chilling stratification and Gibberellic acid (750ppm) + chilling stratification. The minimum days for germination (15.75 days) and highest germination (53.25%) were obtained when the combination of cracking with GA3 @ 750 ppm along with chilling stratification was done. The maximum shoot length (34.83 cm) was observed in the combination of cracking with GA3 @ 500 ppm followed by stratification but statistically similar shoot length (34.63 cm) was observed when cracking, application of GA3 @ 750 ppm followed by stratification was done. Cracking, treatment with GA3 @ 500 ppm followed by chilling stratification resulted in the highest shoot fresh weight (11.93 gm) and root fresh weight (10.77 gm) compared to the other treatments used. Thus, cracking along with treatment by GA3 @ 750 ppm followed by chilling stratification could be suggested to the walnut growers for better germination and a better morphological and physiological status of the rootstocks/seedlings.
Afficher plus [+] Moins [-]Predicting Body Weight of Ethiopian Indigenous Chicken Populations from Morphometric Measurements Texte intégral
2021
Fikrineh Negash
The purpose of this study was to estimate the relationship between body weight (BW) and morphometric measurements of Ethiopian indigenous chicken populations and to develop prediction equations used to estimate BW from body measurements. A total of 621 chickens comprising 134 males and 487 females reared under smallholder management conditions were used for the study. Body weight and morphometric measurements including body length (BL), chest circumference (CC), shank length (SL), and shank circumference (SC) were taken using a hanging scale and a textile measuring tape, respectively. The relationship between BW and morphometric measurements was determined using Pearson’s correlation coefficients (r) and stepwise multiple regression analyses. Descriptive statistics indicated that male birds were heavier than female birds. Correlation results revealed that body weight was significantly and strongly correlated with SL (r = 0.76) in both sexes, and moderately correlated with SC (r = 0.69), BL (r = 0.67), and CC (r = 0.52) in male birds, BL (r=0.68) and SC (r = 0.59) in female birds. Compared to other measurements, SL best predicted BW in both male and female birds, with coefficients of determination (R2) = 0.58. Combining SL with other body measurements (BL, CC, and SC) generally improved the predictive power of the equation. Thus, multiple regression equations that included a combination of the four linear body measurements are more suitable for predicting BW of Ethiopian indigenous chicken populations.
Afficher plus [+] Moins [-]Fonksiyonel Gıdalara Yönelik Üniversite Öğrencilerinin Bilgi Düzeyleri ve Tüketim Eğilimleri: Çukurova Üniversitesi Örneği Texte intégral
2021
Hüseyin Çelik | Ahmet Duran Çelik | Seyit Hayran | Aykut Gül
Son yıllarda dünyada olduğu gibi Türkiye’de de tüketicilerin fonksiyonel ürünlerin talebinde artış yaşanmaktadır. Günümüzde sağlıklı bir yaşam sürdürmek ve artan sağlık problemlerini önlemek için tüketiciler fonksiyonel ürünlere yönelmektedirler. Bu çalışmanın amacı, Çukurova Üniversitesi öğrencilerinin fonksiyonel ürünlere yönelik bilgi düzeyleri, tutumları ve tüketim eğilimlerini tespit etmektir. Bu amaçla, Çukurova Üniversitesi öğrencilerinden 103’ü ile anket çalışması yapılmıştır. Araştırma sonuçlarına göre, ankete katılanların %70,87’sinin fonksiyonel gıda kavramını daha önce hiç duymamış olmakla birlikte bu ürünleri tükettikleri belirlenmiştir. Katılımcıların özellikle mineral bakımından zengin içecekleri (%58,25) ve bitki çaylarını (%48,54) düzenli olarak kullandıkları tespit edilmiştir. Ayrıca, ankete katılanların büyük bir bölümü (%65,00) fonksiyonel gıdaların insan sağlığını olumlu yönde etkilediğini düşünürken, fonksiyonel gıdaların, sağlık açısından potansiyel faydaları, öğrencilerin söz konusu gıdalara yönelik algı ve tutumlarını belirleyen en önemli faktör olarak belirlenmiştir.
Afficher plus [+] Moins [-]Antioxidant and Cytotoxic Potential of Local Endemic Plant Pastinaca zozimoides Fenzl Texte intégral
2021
Cihan Düşgün | Teoman Kankılıç | Cemil İşlek | Dilara Fatma Balı | Özgür Kankılıç
P. zozimoides is local endemic in Nigde province, Turkey. There has been no previous examination of the chemical composition and bioactivity of that plant extract. In this study, we studied total phenolic content, antioxidant properties and cytotoxic effect of methanolic extracts of plant sample. According to the Folin-Ciocalteau method, the total phenolics of the extracts were determined spectrophometric. The antioxidant activity was conducted DPPH (1,1’-diphenyl-2-picrylhydrazyl) radical scavenging method and free radical reducing power assay. The cytotoxic effect was studied using MTT assay cell viability on cancer cell lines as well as on Caco-2 cell lines. The total phenolic content of P. zozimoides extract was found 28.79±0.68 μg GAE /mg. The free radical scavenger activities of the DPPH was 31.69%±1.61, 85.15%±0.13, 86.96%±0.085 for 1, 5 and 10 mg/mL, respectively. The free radical reducing power assay was 0.375±0.52, 1.587±0.71, 1.798±0.84 for 1, 5 and 10 mg/mL compared to ascorbic acid standard. On Caco-2 cell lines, the extract of plant showed no cytotoxic potential. Because of its phenolic constituents and its antioxidant capacity it can be considered a healthy nutrient.
Afficher plus [+] Moins [-]Determination of the L-DOPA (L-3, 4-Dihydroxyphenylalanine) Content in Faba Bean (Vicia faba L.) Flowers and Faba Bean Flower Tea Texte intégral
2021
Hatice Bozoğlu | Merve Bezmen
This study aimed to determine the L-DOPA content in the flowers of some different faba bean genotypes and determine the L-DOPA levels in tea prepared from flowers. The experiment was carried out under the ecological conditions in Samsun by the Black Sea with 15 genotypes using a randomized complete block design in three replications. The flowers were harvested three times and the number of flowers and flower yields were determined. The L-DOPA content of the flower and flower tea were determined using HPLC. Different solvents were used to extract the L-DOPA from the faba bean flowers. As a result of the HPLC analyses, the highest L-DOPA yield was determined to be in the tea samples brewed with hot water. It was found statistical differences between genotypes in the second and third harvests for the number of flowers in the plant and the total number of flowers. Dry flower yields ranged from 11.33 to 37.78 kg da−1 while L-DOPA levels were 6.2 to 9.17 g 100g−1 in dry flowers and 6.69 to 9.23 g 100g−1 in infused tea. The study concluded that flower tea of faba bean can be investigate for medicinal purposes and that L-DOPA in the plant can be extracted by brewing without requiring any solvent. This shows that L-DOPA is in a salt form within the plant.
Afficher plus [+] Moins [-]Evaluation of the Medicinal and Aromatic Plants Processing Sector in Hatay Province Texte intégral
2021
Ahmet Duran Çelik | Aykut Gül
In this study, the medicinal and aromatic plants sector of the Hatay province was evaluated with the SWOT Analysis (strengths, weaknesses, opportunities, and threats), and aimed to offer solutions for the development of the sector based on the opinions of the companies which are operating in the province. According to the research results, the rich natural vegetation of the province and its proximity to raw material resources, were found as the main 'strengths'. Insufficient incentives, lack of coordination, problems in accessing quality raw materials, and adulteration were found as the 'weaknesses'. Increase in demand and high added value potential, and the EXPO 2021 exhibition were found as the 'opportunities'. Security problems in the region due to the ongoing war in Syria were determined as the prominent 'threat'.
Afficher plus [+] Moins [-]Comparative Advantage of Turkish Olive Oil in Global Markets: An Empirical Analysis Texte intégral
2021
Abdulmusa Sönmüş | Mehmet Hanifi Aslan
Purpose: This study aims to reveal the comparative advantage of the selected countries in olive oil industry. These selected countries are the main olive oil producers and mainly located in Mediterranean Seacoast. Spain, Italy, Greece and Turkey will be the subject countries in this analysis and compared with each other in terms of their export performance and comparative advantage in olive oil industry globally. Olive oil industry has a volume of around 20 billion Euros every year. Design/methodology/approach: The data for the research was collected from mainly World Bank and trade ministries of subject countries. Revealed Comparative advantage Index (RCA) is used to compare the advantage of these countries in olive oil industry. These indexes found in this analysis will be added to the olive oil RCA indexes of these countries that are found in the previous researches. The obtained data were analyzed through RCA Index formula modeling. Findings:Consuming olive oil is increasing day by day over the world. The research results show that Turkey has comparative advantage in olive industry over Greece. Last few years, Turkey has improved its comparative advantage over Italy. Spain and Italy are the leading countries in olive oil industry in terms of comparative advantage. It has also been found that Turkey has consistently increase its advantage over the last decade. Practical implications: After the comparison of RCA indexes of Spain, Greece, Italy and Turkey, it is found that higher amount of production of olive oil is not enough itself to improve the competitiveness of a country in olive oil market. Branding, packaging and marketing activities that are supported by research and development expenditures are highly important factors for a consistent competitive advantage in olive oil industry. Olive oil consumers are highly motivated on the packaging and label of a product when it comes to olive oil. They usually trust Mediterranean brands comparing to others. Originality/value: The study answers the advantages of selected countries in terms of olive oil performance in global markets. Export performance of olive oil is much likely to improve the competitiveness of a country rather than a country that produces high volume of olive oil. Production itself is not enough to increase competitiveness of a country in olive oil market.
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