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RISS 인기검색어
- 검색키워드
- 저자 : K.G. Suresh (검색결과 25 건)
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Kumar, C. Basavanta,Gloridoss, R.G.,Singh, K.C.,Prabhu, T.M.,Suresh, B.N. Asian Australasian Association of Animal Productio 2016 Animal Bioscience Vol.29 No.11
The aim of present experiment was to investigate the effect of protein reduction in commercial broiler chicken rations with incorporation of de-oiled rice bran (DORB) and supplementation of limiting amino acids (valine, isoleucine, and/or tryptophan) with ration formulation either on total amino acid (TAA) or standardized ileal digestible amino acids (SIDAA). The experimental design consisted of $T_1$, TAA control; $T_2$ and $T_3$, 0.75% and 1.5% protein reduction by 3% and 6% DORB incorporation, respectively by replacing soybean meal with supplemental limiting amino acids to meet TAA requirement; $T_4$, SIDAA control, $T_5$ and $T_6$, 0.75% and 1.5% protein reduction by DORB incorporation (3% and 6%) with supplemental limiting amino acids on SIDAA basis. A total of 360 dold fast growing broiler chicks (Vencobb-400) were divided into 36 homogenous groups of ten chicks each, and six dietary treatments described were allocated randomly with six replications. During 42 days trial, the feed intake was significantly (p<0.05) reduced by TAA factor compared to SIDAA factor and protein factor significantly (p<0.05) reduced the feed intake at 1.5% reduction compared to normal protein group. This was observed only during pre-starter phase but not thereafter. The cumulative body weight gain (BWG) was significantly (p<0.05) reduced in TAA formulations with protein step-down of 1.5% ($T_3$, 1,993 g) compared to control ($T_1$, 2,067 g), while under SIDAA formulations, BWG was not affected with protein reduction of 1.5% ($T_6$, 2,076 g) compared to $T_4$ (2,129 g). The feed conversion ratio (FCR) was significantly (p<0.05) reduced in both TAA and SIDAA formulations with 1.5% protein step-down ($T_3$, 1.741; $T_6$, 1.704) compared to respective controls ($T_1$, 1.696; $T_4$, 1.663). The SIDAA formulation revealed significantly (p<0.05) higher BWG (2,095 g) and better FCR (1.684) compared to TAA formulation (2,028 g; 1.721). Intake of crude protein and all limiting amino acids (SID basis) was higher in SIDAA group than TAA group with resultant higher nitrogen retention (4.438 vs 4.027 g/bird/d). The nitrogen excretion was minimized with 1.5% protein reduction (1.608 g/bird) compared to normal protein group (1.794 g/bird). The serum uric acid concentration was significantly reduced in $T_3$ (9.45 mg/dL) as compared to $T_4$ (10.75 mg/dL). All carcass parameters were significantly (p<0.05) higher in SIDAA formulation over TAA formulation and 1.5% protein reduction significantly reduced carcass, breast and thigh yields. In conclusion, the dietary protein can be reduced by 0.75% with TAA formulation and 1.5% with SIDAA formulation through DORB incorporation and supplementation of limiting amino acids and among formulations, SIDAA formulation was better than TAA formulation.
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Development of Fine Denier Silkworm Hybrid CSR48×CSR5 of Bombyx mori L. for Superior Quality Silk
( G. V. Kalpana ),( N. Suresh Kumar ),( H. K. Basavaraja ),( N. Mal Reddy ),( A. K. Palit ) 한국잠사학회 2005 International Journal of Industrial Entomology Vol.10 No.2
Serious attempt for the improvement of quality parameters in silkworm hybrids came rather very late in India. Realising the need for productive breeds to the field and reorientation in breeding methodology, the silkworm breeders of CSRTI, Mysore were able to develop silkworm breeds with fine denier namely, JPN7, CSR48, B63 and B65 of specific industrial requirement through directional selection. As the success of silkworm breeds mainly depends on their combining ability, the developed breeds were subjected for hybrid evaluation. Out of 42 bivoltine hybrids studied, one hybrid, CSR48×CSR5 was identified for its superiority over the existing bivoltine hybrids namely CSR2×CSR4, CSR2×CSR5 and CSR18×CSR19 for majority of qualitative traits. Post cocoon testing of large quantity of cocoons of CSR48×CSR5 resulted in the production of high quality 3A grade silk. It is for the first time in the Indian Sericulture industry that high quality silk with longer filament length of 1474m, denier of 2.47, standard size deviation of 0.983d, maximum size deviation of 1.322, neatness of 96p, reelability of, 85% tenacity of 3.87 g/d, elongation of 22.32% and cohesion of 110 strokes was produced. The superiority of fine denier silkworm breeds and their hybrids are discussed.
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Kalpana G. V.,Kumar N. Suresh,Basavaraja H. K.,Reddy N. Mal,Palit A. K. Korean Society of Sericultural Science 2005 International Journal of Industrial Entomology Vol.10 No.2
Serious attempt for the improvement of quality parameters in silkworm hybrids came rather very late in India. Realising the need for productive breeds to the field and reorientation in breeding methodology, the silkworm breeders of CSRTI, Mysore were able to develop silkworm breeds with fine denier namely, JPN7, CSR48, B63 and B65 of specific industrial requirement through directional selection. As the success of silkworm breeds mainly depends on their combining ability, the developed breeds were subjected for hybrid evaluation. Out of 42 bivoltine hybrids studied, one hybrid, $CSR48{\times}CSR5$ was identified for its superiority over the existing bivoltine hybrids namely $CSR2{\times}CSR4,\;CSR2{\times}CSR5\;and\;CSR18{\times}CSR19$ for majority of qualitative traits. Post cocoon testing of large quantity of cocoons of $CSR48{\times}CSR5$ resulted in the production of high quality '3A'grade silk. It is for the first time in the Indian Sericulture industry that high quality silk with longer filament length of 1474 m, denier of 2.47, standard size deviation of 0.983 d, maximum size deviation of 1.322, neatness of 96 p, reelability of $85\%$, tenacity of 3.87 g/d, elongation of $22.32\%$ and cohesion of 110 strokes was produced. The superiority of fine denier silkworm breeds and their hybrids are discussed.
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Spin polarization studies in half-metallic Co2TiX (X ¼ Ge and Sn) Heusler alloys
Lakhan Bainsla,K.G. Suresh 한국물리학회 2016 Current Applied Physics Vol.16 No.1
In this paper, we investigated the Co2TiX (X ¼ Ge, Sn) Heusler alloys by structural, magnetic and spin polarization measurements to probe the half-metallic nature. Alloys were synthesized using the arc melting technique, and found to exist in L21 crystal structure with Fm-3m space group. Curie temperature (TC) is found to be 384 and 371 K for Co2TiGe and Co2TiSn respectively. The saturation magnetization (MS) value of 1.8 and 2.0 mB/f.u. are obtained at 5 K for Co2TiGe and Co2TiSn respectively, compared to 2.0 mB/f.u. calculated by Slater-Pauling rule. To obtain the spin polarization value, differential conductance curves were recorded at the ferromagnetic/superconducting point contact at 4.2 K. The current spin polarization (P) value of 0.63 ± 0.03 and 0.64 ± 0.02 were deduced for Co2TiGe and Co2TiSn respectively. Considering the high current spin polarization and TC, these materials appear to be promising for spintronic devices.
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( G. Rajramal ),( K. Suresh ),( G. Sugunadevi ),( M. A. Vijayaanand ),( K. Rajalingam ) 생화학분자생물학회 2010 BMB Reports Vol.43 No.10
The present study aimed to investigate the membrane stabilizing effect of Thymoquinone (TQ) on cell surface glycocon-jugates and cytokeratin expression against DMBA induced hamster buccal pouch carcinogenesis. 0.5% DMBA painting(three times per week) in hamster buccal pouches for 14 weeks resulted in the formation of well developed oral squamous cell carcinoma. We observed 100% tumor formation with marked abnormalities of glycoconjugates status in tumor bearing hamsters as compared to control animals. Oral administration of TQ at a dose of 30 mg/kg body weight, to DMBA painted hamsters on alternate days for 14 weeks, reduced the tumor formation as well as protected the levels of cell surface glycoconjugates in DMBA painted hamsters. The present study thus suggests that TQ has potent chemopreventive efficacy as well as protected the abnormalities on cell surface glycocon-jugates during DMBA induced hamster buccal pouch carcinogenesis [BMB reports 2010; 43(10): 664-669]
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Modeling and Forecasting Livestock Feed Resources in India Using Climate Variables
Suresh, K.P.,Kiran, G. Ravi,Giridhar, K.,Sampath, K.T. Asian Australasian Association of Animal Productio 2012 Animal Bioscience Vol.25 No.4
The availability and efficient use of the feed resources in India are the primary drivers to maximize productivity of Indian livestock. Feed security is vital to the livestock management, extent of use, conservation and productivity enhancement. Assessment and forecasting of livestock feed resources are most important for effective planning and policy making. In the present study, 40 years of data on crop production, land use pattern, rainfall, its deviation from normal, area under crop and yield of crop were collected and modeled to forecast the likely production of feed resources for the next 20 years. The higher order auto-regressive (AR) models were used to develop efficient forecasting models. Use of climatic variables (actual rainfall and its deviation from normal) in combination with non-climatic factors like area under each crop, yield of crop, lag period etc., increased the efficiency of forecasting models. From the best fitting models, the current total dry matter (DM) availability in India was estimated to be 510.6 million tonnes (mt) comprising of 47.2 mt from concentrates, 319.6 mt from crop residues and 143.8 mt from greens. The availability of DM from dry fodder, green fodder and concentrates is forecasted at 409.4, 135.6 and 61.2 mt, respectively, for 2030.
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Vinothkumar, G.,Rengaraj, S.,Arunkumar, P.,Cha, Suk Won,Suresh Babu, K. American Chemical Society 2019 The Journal of Physical Chemistry Part C Vol. No.
<P>The antioxidant activity of cerium oxide nanoparticles (CNPs) depends on the concentration of oxygen vacancies and Ce<SUP>3+</SUP> active sites. In the present work, we report the impact of 5 mol % trivalent rare-earth-doped (RE<SUP>3+</SUP> = Eu<SUP>3+</SUP>, Nd<SUP>3+</SUP>, Pr<SUP>3+</SUP>, and La<SUP>3+</SUP>) CNPs on the oxidation state modulation and antioxidant property with respect to ionic radii. An increase in the lattice parameter, strain, and oxygen vacancy concentration was observed as a function of ionic radii. Among the various dopants in CNPs, La<SUP>3+</SUP> with higher ionic radii having smaller crystallite size (7.9 nm) and higher vacancy displayed better peroxidase, oxidase, and hydroxyl radical (HO<SUP>•</SUP>) scavenging activities. The kinetic parameters for the peroxidase and oxidase activities were found to be superior with <I>K</I><SUB>m</SUB> = 0.217 and 0.261 mM, respectively, for 5 mol % La<SUP>3+</SUP>-doped CNPs. To divulge the role of dopant concentration on the structural properties, we also explored using 10 and 20 mol % La<SUP>3+</SUP> doping in CNPs. Because of the smaller crystallite size (6.7 nm) and higher defect level (3.12 × 10<SUP>21</SUP> cm<SUP>-3</SUP>), 20% La<SUP>3+</SUP> doping showed superior peroxidase and oxidase activities, as shown by the low <I>K</I><SUB>m</SUB> values. CNPs exhibit both peroxidase and oxidase activities in a concentration-dependent manner. Moreover, CNPs exhibit concentration-dependent peroxidase and oxidase activities that can be selectively activated for various theranostic applications. Thus, our results demonstrate the crucial role of ionic radii and the concentration of RE<SUP>3+</SUP> dopants on defect formation in CNPs for improved antioxidant properties of ceria.</P> [FIG OMISSION]</BR>
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Microcontroller based split mass resonant sensor for absolute and differential sensing
G. Uma,M. Umapathy,K. Suneel Kumar,K. Suresh,A. Maria Josephine 국제구조공학회 2009 Smart Structures and Systems, An International Jou Vol.5 No.3
Two degrees of freedom resonant systems are employed to improve the resonant property of resonant sensor, as compared to a single degree of freedom resonant system. This paper presents design, development and testing of two degrees of freedom resonant sensor. To measure absolute mass, cantilever shaped two different masses (smaller/absorber mass and bigger/drive mass) with identical resonant frequency are mechanically linked to form 2 - Degree-of-Freedom (DOF) resonator which exhibits higher amplitude of displacement at the smaller mass. The same concept is extended for measuring differential quantity, by having two bigger mass and one smaller mass. The main features of this work are the 3 - DOF resonator for differential detection and the microcontroller based closed loop electronics for resonant sensor with piezoelectric sensing and excitation. The advantage of using microcontroller is that the method can be easily extended for any range of measurand.
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