Thumbnail Image

Birsa Agricultural University, Ranchi

Browse

End date: 1997 × Start date: 1993 × Type: Thesis × Thesis Type: M.V.Sc. ×
Reset filters

Search Results

Now showing 1 - 9 of 23
  • Thumbnail Image
    ThesisItemOpen Access
    Combining Ability And Heterosis Studies In Linseed (Linum sitatissimum L.)
    (Birsa Agricultural University, Ranchi, 1996) Sohan Ram; H.B.P.Trivedi
    Linseed is predominantly a autogamous crop of industrial significance. Inspite of considerable increase in area and production under linseed, the productivity which is of foremost importance, is still stagnant in India. The prime objective of the present investigation was to evaluate some well recognised varieties and explore the combining ability variances of oil yield and seed yield components and their combining ability effects together with the studies on variability, heterosis and correlation through dialled analysis. Eight well recognised varieties of major linseed growing states were obtained from Project Co-ordinator (Linseed), Chandra Shekhar Azad University of Agriculture and Technology, Kanpur. These varieties were crossed in 8 x 8 diallel fashion to obtain 28 direct and 28 reciprocal F1 hybrids. These hybrids were generation advanced in off season nursery to procure F2 seeds. These F1 and F2 hybrids were evaluated separately along with the parents for variability, heterosis, inbreeding depression, combining ability and correlation co-efficient. The analysis of variance was highly significant for oil yield and its components. Variability in the parents and reciprocals, though was non-significant yet was significant in Parents Vs Crosses and F₁ Vs Reciprocals. Manifestation of heterosis was variable in magnitude and nature among corresponding characters in F₁ and F2 hybrids of direct and reciprocal cross. Heterosis as high as 230.90 percent over superior parent was obtained for oil yield in R-7 x Garima, 69,01 percent for oil content in T 397 x R-7 and 202.34 percent for seed yield in Jawahar-23/10 x Garima.Cross Mukta x R-7 was identified as highest heterotic cross for oil yield, seed yield and oil content. CONT Use of parent as pollen or seed parent had a significant difference in heterotic behaviour of the cross. Parents Neelum, Garima and R-17 were identified as best seed parents against R-7 and Jawahar-23/10 as pollen parents. Estimates of GCA and SCA variances obtained were highly significant for oil yield and its components, Non-additive components played major role in expression of oil yield, oil content and seed yield where as other characters exhibited importance of additive component in their expression. The general combining ability effects corresponded fairly with that of per se performance of the parents for all characters except oil content, number of capsules and number of secondary branches per plant. For oil yield, oil content and seed yield though none of the parent was best / good general combiner, yet best / good specific combinations for these traits were obtained from poor x poor combiners. It was noticed that high specific combinations for oil yield were also high specific combinations for seed yield but all high specific combinations for oil content and seed yield components were not necessarily high specific combinations for oil yield. Genotypic correlation co-efficient was higher than phenotypic. Correlation Oil yield was favorably associated with oil content, seed yield, number of capsules and number of secondary branches. Selection of these characters was suggested to increase oil yield.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on Genetic and Phenotypic Parameters of Some Economic Traits and Construction of Selection Indices in Black Bengal And Its Beetal Half-Bred Goats
    (Birsa Agricultural University, Ranchi, 1997) Devesh Kumar Singh; Dr.S.K.Verma
    1. Beetal halfbreds were superior to purebred Black Bengal with respect to growth under farm condition of management. II. Males were significantly heavier than females at birth. III. The body weight and body biometries were more in single barn kids than that of twins. IV. Winter born kids were significantly heavier than that of summer and monsoon barn kids in both the genetic groups. V. All growth traits were significantly better during early years of establishment of farm. VI. Body weights, biometries and daily gain in weight during 0-3 and 3-6 months of age had generally significant positive linear association with birth weight and dam's weight at kidding. VII. Beetal halfbreds were superior to that of pure bred Black Bengal goats in most of the milk production and reproduction traits.
  • Thumbnail Image
    ThesisItemOpen Access
    Evaluation of Ketamine and Its Combination with Diazepam and Lorazepam in Caprin Surgery
    (Birsa Agricultural University, Ranchi, 1997) Shailendra Kumar Singh; P.N. sahay
    1. Ketamine alone @ 12 mg/kg body wt. induced optimal sedation but very poor analgesia and muscle relaxation in a limited area of the body. 2.Ketamine + diazepam in atropinized goats produced satisfactory sedation, adequate muscle relaxation and optimal analgesia, with smooth induction.. 3.There was abolition of superficial and deep cutaneous reflexes over a wider region of the body permitting surgery of different magnitudes with diazepam ketamine. 4.With Ketamine and lorazepam combination, there was rough induction, unsatisfactory muscle relaxation and analgesia even though sedation was moderate. 5. Hyperglycaemia of varying magnitude was a consistent feature of ketamine anaesthesia and its combination with diazepam and lorazepam. 6.BUN, ALT and AST levels exhibited alterations within the normal physiological limits and suggested non-toxic effect of the anaesthetic regimens on kidney, liver and heart. 7.Atropinization quality of did not seemed to be affecting anaesthesia, even though it countered side effects of ketamine effectively. 8.There was evidence to suggest that surgery stress conditions may be performed with diazepam combination in atropinized goats.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on Mite Infection in Dog and Its Control with Special Reference to Demodicosis
    (Birsa Agricultural University, Ranchi, 1997) Manoj Kumar Jha; Dr.A.R.Deb
    The sarcoptes scabiei infestation was observed more 41 (19.09%) whereas Demodex canis was less 21(6.70%) different breeds of dogs. The mite infestation was recorded highest (27.36) in 6-12 months of age group as compared to other age groups. The males were more susceptible (21.83%) to the mites infestation than females (17.26%). Further study revealed that infestation was more common during winter season (22.95%) as compared to other seasons. Dogs reared under good management condition, the occurrence of infestation was less (15.38%). The localised infection of demodicosis was observed more (4.15%) than generalized condition (2.55%). Hematological study in experimentally infected pups revealed lower value of hemoglobin concentration and packed cell volume whereas differential leucocyte count showed lymphocytosis and eosinophilia. The biochemical profiles study indicated the increase in the value of globulin where as decrease in cholesterol, total lipid and albumin was observed.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on the Effect of Different Dietary Composition of Pre - Starter Diets on Performances of Early Weaned Pigs
    (Birsa Agricultural University, Ranchi, 1997) Asem Ameeta Devi; Dr. J.P. Srivastava
    1.In general, type of feed and age of weaning had no significant effect on various economic traits. 2.Weight gain in piglets weaned at 8th weeks of age was significantly higher than those weaned at 5th weeks, but differences after 8th weeks of age were no significant. 3.The piglets reared on T₂ diet (100% skimmed milk powder replaced by fish meal) had slightly higher weight gain than those maintained on T, diet (with 4% skimmed milk powder). 4. The cost involved on one kg weight was significantly lower in piglets reared on diet T₂ than T 5. The farrowing interval of sows who weaned their piglets at 5th weeks had significantly lower value than those weaned at 8th weeks. 6.Diets and age of weaning had no significant influence on nutrient digestibility and feed conversion efficiency.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on Bacillus Cereus Isolated from Milk and Milk Products
    (Birsa Agricultural University, Ranchi, 1997) Miss Elanbam Motina; Md,Kalimuddin
    Altogether 250 samples of milk and milk products from urban and suburban areas of Ranchi were tested, out of which 81 samples revealed contamination with Bacillus cereus and the percent positivity was 32.40. Higher percent of contamination was found in urban (36.00) than in suburban (28.80) areas. However, statistical analysis revealed that the difference was not significant. Results of studies on milk and milk products also showed similar pattern of contamination with Bacillus cereus. Of the milk products tested, highest percentage (41.37%) of rasogula samples followed by milk powder (40.00%) pera and berfi each (26.31%) were found contaminated. The more samples of raw milk from urban (35.71%) than from suburban (25.00%) areas were found positive for Bacillus cereus. The average presumptive counts of Bacillus cereus in the samples of milk and milk products drawn from urban areas were more than in the samples of suburban areas. but this difference was statistically not significant. Majority of the positive samples of milk and milk products had a presumptive and confirmatory counts of <4.000 cfu/ml or g in suburban and urban areas. Confirmatory counts of Bacillus cereus was 5.000 cfu/g and above in milk products from urban area. Only two samples from suburban area were found contaminated at the level of 8.000 to 9.000 cfu/g of berfi.
  • Thumbnail Image
    ThesisItemOpen Access
    Superovulation and Embrya Collection from Prepubertal Goats and its transfer in Adult Block Bengal Goats
    (Birsa Agricultural University, Ranchi, 1997) Nighat wafai; S.K. Sinha
    Thirty Black Bongal Goats (12 propubortal about 710 months old and 18 adult 112 to 3 years old) were taken for the present study. Out of 12 prepubertal goats, six were subjected to a super ovulatory treatment comprising of PMSG and HCG (Gr.l) and remaining six received no treatment and served as controls (Gr.1l) Eighteen adult goats were also divided into Group-III, Group-IV and Group-V with each having six animals. The goats under Group III also received a super ovulatory treatment (PMSG and HCG) for comparative studies whereas animals under Group IV and Group V served as recipients for Group I and Group III synchronization. Studies receiving PGF, alpha alone for estrus on synchronization, superovulation, embryo collection and its evaluation were carried out in prepubertal and adult goats. Normal transferable embryos were transferred in the adult recipient goats with a synchronous stage of estrus comparable to donor goats. The percentage of success of embryo transfer was evaluated on the basis of kids born. The observations thus recorded are summarized below. The average time interval between PMSG administration and onset of estrus in prepubertal and adult goats was 24.70+3.60 and 27.00+1.29 hours respectively. The variation in the time interval was, however, non-significant statistically. The control group didn't show signs of estrus during the comparative studies.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on Contagious Caprine Pleud - Pneumonia (CPPP) WITHH special reference to Pathogenicity and Chemotherapy
    (Birsa Agricultural University, Ranchi, 1995) Muzaffar Shaheen; S.Haque
    The study on contagious caprine pleuropneumonia was conducted with respect to its occurrence in kids, during winter, its pathogenicity and chemotherapy in the department of Medicine, R.V.C. from December 1994 to April 1995. The sailent features of investigation were summarized as follows : 1. The occurrence of caprine Mycoplasmas in natural cases of pneumonia in kids, was found to be 31.37 %, 13.33% and 35 % in R.V.C. goat farm, kids of free herd village conditions and post mortem cases of goats, respectively. Thus it was concluded that the infection rate of Mycoplasma species was higher in the kids of an organized goat farm, where semi-intensive managemental practices were employed, as compared to that of free herd open village flocks, Feeding nature & pattern had no significant effect, though seasonal factor (winter) was an important predisposition. 1.2. Bio chemical and growth inhibition tests of isolates revealed that 24 strains (51.06%) were identified as M. mycoides subsp.mycoides 12 strains (25.53%) were typed as M. agalactiae and 6 strains (10.84%) were M. arginini. Rest of the 6 isolates (18.67%) were untypeable by the available antisera.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on the Prevalence Of Eimeria Species Infection In Fowls And Control Of Caecal Coccidiosis In Broiler Chicks
    (Birsa Agricultural University, Ranchi, 1995) Santoshi Toppo; R.N.P.Sinha
    The feed conversion ratio was found to be narrower in m = 100 and AV/CCP/12 medicated groups and still narrow ratio was observed in AV/CCP/12 treated control group. Feed consumption was found to be higher in AV/CCP/12 treated control group but the feed consumption was found to vary slightly in both the drugs treated and infected control, Body weight gain was found to be more in AV/CCP/12 treated infected and control. groups of birde before and after infection. On the basis of the parameters recorded during 14 days observation in respect of prepatent period, clinical symptoms, OPG feed consumption, body weight gain, it was found that 25x10³ viable oocysts challenge infection was well tolerated by both the drugs treated birds. Typical histopathological changes were observed in infected control groups whereas the degree of histological alteration were less in the drug treated birds.