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Articles by U. Kilic
Total Records ( 3 ) for U. Kilic
  U. Kilic and A.V. Garipoglu
  The objective of this study was to determine the chemical composition, in vitro gas production, in vitro digestibility and in situ rumen degradability of canola hybrids. In the study, canola seeds of four different hybrids (Bristol, Eurol, Capitol and Licrown), which were obtained from the Institute of Karadeniz Agricultural Research in Samsun, Turkiye were used. Two rams aged 2 years with permanent ruminal fistulated were used in gas production and in situ nylon bag techniques. All of the feedstuffs were incubated for 3, 6, 9, 12, 24, 48, 72 and 96 h in in vitro incubations for gas production. Feedstuffs were incubated for 48 h in nylon bag technique. The results of the present study suggested that there were no differences among the hybrids in terms of feed value. All of the hybrids had low in vitro gas production values due to their high fat contents. Licrown variety had the lowest production level up to 48 h of the incubation, but there were no differences after 24 h of the incubation (p>0.05). There were not significant differences among the hybrids in terms of estimated parameters except for gas production rate (c). The gas production rate of Licrown was significantly (p<0.05) lower than that of Bristol. While, in vitro enzyme digestibility Dry Matter Digestibility (DMD), Organic Matter Digestibility (OMD) and Metabolisable Energy (ME)) was not different among the hybrids (p>0.05), rumen degradabilities Dry Matter Degradability (DMD48), Organic Matter Degradability (OMD48) and Crude krotein Degradability (CPD48) were significantly different (p<0.01).
  U. Kilic and B.Z. Saricicek
  The aim of this study was to evaluate the effects of additives on in vitro Gas Production (IVGP), IVGP kinetics, energy values, Organic Matter Digestibility (OMD) and Dry Matter Digestibility (DMD) of Sugar Beet Pulp Silage (SBPS). Eight different silages were prepared form the sugar beet pulp samples. Silage treatments included no additives (CONT), Artturi Imarin Virtanen solution (AIV), feed urea (UREA), Formic Acid (FAS), biological inoculants Maize All (MAL) and Sil All (SAL), F silofarm formiat dry (SFD) and F Silofarm Liquid (SLI). The effects of different silage additives were determined using IVGP technique and pepsin-cellulase method in this study. Three Sakiz x Karayaka rams aged 2 years with ruminal cannulas were used IVGP technique. In vitro dry matter digestibility (IVDMD), in vitro organic matter digestibility (IVOMD) and energy values were studied by using pepsin-cellulase method. The silage additives significantly affected the nutrient contents of SBPS (p<0.01). The highest crude protein content was found in UREA treated silages. Highest values in terms of NFE were determined in FAS treated silages (p<0.01). The IVGP of AIV treated silages were significantly lower than those of silages applied for other treatments at 24, 48, 72 and 96 h incubations (p<0.01). Biological inoculants (MAL and SAL), SLI and SFD treatments resulted in the highest energy values and IVGP. In conclusion, the use of IVGP technique can be recommended in the estimation of ME and NEL values of SBPS since this technique provides more reliable estimates as compared to pepsin-cellulase method.
  U. Kilic
  This study discusses future trend and advantages of wireless rumen sensor (bolus) technology in ruminant nutrition research and obstacles that prevent their fast adoption. Wireless rumen sensors used in animal management and enrolment procedures but the technology is still at its early development stage in ruminant nutrition research. Rumen sensors provide an excellent and affordable option for continually measuring in vivo pH, temperature and pressure and offer scientists the ability to discover new insights into nutritional research, animal health and behavior, animal welfare, estrus, motility and morbidity dynamics, animal emissions, activity and digestion etc. under different ruminal conditions. This technology is easy to use, user-configurable and adaptable to most research programmes. Data is received and interpreted by the proprietary software via cable connection, wireless connection, bluetooth or manual download from memory card. New developments enable to obtain complete, comprehensive and accurate data sets from the rumen of animals at anytime, whether they are in free stalls, open paddocks or out on the range. The technology has a very good application for ruminant research, especially in rumen fistulated cattle and sheep. In some studies pH readings from boluses to that of a hand-held pH meter and found that there was a high degree of agreement between the two techniques. On the contrary, in other studies resulted in a minor level of agreement between the two methods. In conclusion, these boluses need further advancement to be potentially used for continuous rumen pH measurements for research purposes. It is expected that the rumen sensors can be measure rumen volatile fatty acids and greenhouse gases as CH4, CO2, NH3 in the future. Therefore, animal nutrition studies can be commented more easily and also the most suitable feeding programme can be practiced.
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