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1.
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Haematology And Serum Electrolytes (Na,K) Patterns Of New Castle Disease In Layer Chicks

by Ghulam Abbas | Dr. Tufail Muhammad Khan | Muhmmad | Zafar Iqbal Chaudhry | Faculty of Veterinary Sciences.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 1990Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 0138,T] (1).

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2.
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Comparative Efficacy Of Casoni Skin Test, Indirect Haemagglutination And Double Diffusion Tests For The Detection Of Hydatidosis In Goats

by Azam Mahmood | Prof. Dr. Tufail Muhammad Khan | Dr. Manzoor Ahmad Basraa | Dr. Muhammad | Faculty of Veterinary Sciences.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 1991Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 0149,T] (1).

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3.
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The Chick Growth Inhibition Of Soybean Meal (Sbm) As Affected By Autoclaving Under Varying Conditions

by Hafiz Anwar Ahmad | Dr Muhammad Yaqoob Malik | Dr Nisar Ahmad | Dr Tufail Muhammad.

Material type: book Book; Format: print ; Nature of contents: biography; Literary form: Publisher: 1987Dissertation note: Soybean meal (SBM) is the by-product left after extraction of oil from the seeds either by solvent extracton or mechanical expeller. After animal protein sources, SBM is the best vegetable protein supplement for feeding of poultry. It is now commercially available in the country, but its use in different poultry feeds is limited due to its growth inhibitory factor(s). The present study was planned to find, out suitable methods of heat treatments to reduce/remove the growth inhibitory factor(s) present in indigenous SBM. Effect of different levels of supplementation of methionine, the limiting amino acid was also studied. Two experiments were conducted using day old 'Hubbard" broiler chicks as experimental birds. In the first experiment effect of different levels of moisture and autociaving time on the nutritional value of SBM was studied. Growth rate, feed consumption and efficiency of feed utilization of the chicks were recorded. Effect of the heat-treatments of SBM on the dressing percentage and internal organs of the chicks was also studied. Heat treatments of SBM involving different levels of moisture andautocalving time significantly (P< 0.01) improved its nutritional value as was reflected by better growth rate of the chicks. The improved quality of the treated SBM was sub stantiated by the reduced urease activity of the meal. Both moisture and autoclaving had linear effect in improving the nutritional value of SBM. Higher moisture levels with lower heating time was equally effective as lower moisture level with higher heating time in improving the nutritional value of SBM. The chicks fed rations containing SBM with 10 percent moisture and autoclaved for 45 minutes or 20 percent moisture and autoclaved for 30 minutes showed the best growth rate of the chicks; fed ration containing raw SBM might be due to the presence of growth inhibitory factor(s) which was partially/completely removed by heat treatment of the meal. The second experiment was designed to study the effect of supplementation of different levels of methionine, on the nutritive value of heat treated soybean cake (SBC). For the purpose, methionine was supplemented at 0.05, 0. 15, 0.25, 0.35 and 0.45 percent of the rations containing heat treated SBC as the sole source of protein. Methionine supplementation of heat treated SBC significantly (P <0.01) improved the growth rate and feed efficiency of the chicks as compared to the control ration, without methionine supplementation. Best weight gain and feed efficiency was found in the chicks fed ration containing 0. 35 percent methionine supplementation. This indicated that methionine was the most limiting amino acid in SBC and 0. 35 percent supplementation of methionine was enough to compensate the deficiency of the amino acid. CONCLUSION i) Results of the experiments indicated a significant chick growth depression along with poor utilization of feed by chicks fed ration containing raw SBM. ii) Heat treatment involving additional moisture and autoclaving significantly improved the nutritive value of SBM, as indicated by better growth rate and feed utilization of the chicks. Lower moisture level (10% along with higher autoclaving time (45 minutes) was equally effective as the higher moisture (20%) along with lower autoclaving time (30 minutes) in improving the nutritive value of raw SBM. The improvement in the nutritive value of heat treated SBM was substantiated by the reduced urease activity of the meal. iii) Methionine supplementation of heat treated SBC further significantly improved its nutritive value. The best level of methionine supplementation was 0. 35% of the ration containing heat treated SBC as the sole source of protein. Availability: Items available for loan: UVAS Library [Call number: 0843,T] (1).

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4.
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Studies Of Postmortem Changes In Layer Birds Which Die At Various Stages In Life At Poultry Farms Around Lahore.

by Ishtiaq Ahmad | Dr. Muhammad Irfan | Dr. Tufail Muhammad Khan | Faculty of Veterinary Sciences.

Material type: book Book; Format: print Publisher: 1980Dissertation note: A total of 50,0C birds from 8 poultry farms around Lahore were included in these studies. The ages of these birds varied from I to 9 weeks and 4.1 to 50 weeks. Nine different diseases were prevalent at these farms which were confirid from flock histories, clinical symptoms, postmortem findings, laboratory investigations and histopatholagical studies which were carried on 542 birds out of 4,100 birds which died. The incidence of these diseases was as follow: Newcastle disease 17.5 percent, coccidiosis 7.26 percent, colibacillosis 5.31. percent, prolapse cf the oviduct 5.10 percent, spirochaetosis 4.48 pcrcent, cannibalism 3.62 percent, heat stroke 1.35 percent, rztritional deficiency 0.48 percent and lyznphoid leukosis 0.16 percent. The characteristic postmortem chanes and correlation of age vdth the diseases are discussed. Availability: Items available for loan: UVAS Library [Call number: 1141,T] (1).

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