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Immunomodulatory Effect Of Brucella Abortus Vaccine Strain Rb51 In Cross Bred Cows At Private Farms In Lahore

by Shafique, M | Dr. Imtiaz Hussain Khan | Dr. M. Akram Munir | Dr. M. Aleem | Faculty of Veterinary Sciences.

Material type: book Book; Format: print Publisher: 1999Dissertation note: This project was designed to eradicate dangerous problem (Brucellosis) facing by livestock sector. Various trials of vaccine SRB51 were conducted and serum samples were taken to see the immune status of the animals by using serum tube agglutination test (STAT). For this purpose 100 animals of different age groups were examined and lactating or non lactating animals were randomly selected from different private dairy farms in and around Lahore. The serum samples were collected and subjected to serological tests to detect the presence of antibodies against brucella abortus. The incidence of brucellosis by RBPT was 16% and 14% by Standard tube agglutination test (STAT) in cattle. After screening the animals, we got 30 animals which were brucella abortus free, among these some animals were pregnant. We vaccinated the animal at neck region subcut with Brucella abortus strain RB51 vaccine. After vaccination we found that antibody titer was higher at four weeks and begins to lower at eight weeks and later on, by using STAT. We also observed in this study that no animal was aborted and no premature or weak calf was delievered at parturition. So it can be said that the Brucella abortus strain RB51 vaccine is a safe vaccine and it has been used in a lot number of states of America. The results of this study have revealed an alarming prevalence of brucellosis in cattle at private farms which calls for an emergent response of experts for reappraisal and reassessment of the present brucellosis control situation, especially when the disease is an important zoonosis and potential threat to the human health. It is anticipated that the trials would open new vistas and expose livestock (Dairy) scientists to new horizons of technical know how regarding brucellosis and associated problems. It is further hoped that the results obtained would make tangible contribution towards livestock and dairy industry. Availability: Items available for loan: UVAS Library [Call number: 0589,T] (1).

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Effect Of Different Levels Of Milk And Early Weaning Diet On The Performance Of Buffalo Calves From Birth To 13 Weeks

by Sardar Alam, Maj | Prof.Dr.Talat Naseer Pasha | Dr. M. Aleem | Dr. Nisar Ahmad Mian.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 1999Dissertation note: An experiment was conducted to see the effect of different levels of whole milk and early weaning diet (calf starter) on the performance of buffalo calves from birth to 13 weeks of age. Twentyone healthy newly born female buffalo calves were randomly allotted to three different feeding regimes (A, B and C). In feeding regime 'A' whole milk was fed at the rate of 10% of live body weight up to sixth week of age. In 7th week the same quantity of milk was fed and then the quantity of whole milk was reduced every week at the rate of 1/6th of the 6th week allowance. The calves in this group were weaned at the age of 12 weeks. In feeding regime 'B' and 'C' whole milk was fed at the rate of 10% of live body weight up to 30 days then the quantity of milk was restricted to 3 litres per day in group B and 2 litres per day in group C upto the consumption of 800 gram of calf starter and to 1.5 litres per day in group B and 1 litres per day in group C till the consumption of 1.2 kg of calf starter. On the average calves of group A consumed a total of 259.44 litres of whole milk and weaned at 12 weeks of age. On the average the calves in group B and C consumed 214.15 and 167.77 litres of whole milk and were weaned at 72 and 74 days respectively. Calf starter, green fodder and wheat straw was provide ad libitum to compensate the reduced allowance of milk. Calves of group 'C' consumed the minimum quantity of whole milk and the maximum quantity of calf starter, gave satisfactory results. Thus the feeding of milk upto 90 days is not necessary if sufficient quantity of nutritionally balanced diet is provided in addition to limited quantity of whole milk. The average weight gains in the calves of group A, B and C were 48.78, 46.36, 43.71 Kg respectively. There was non-significant difference in the weight gain and general body condition. The cost of feeding for a unit ( Kg ) gain in group A, B and C was Rs.5 1.60, 48. and 42.54 respectively. The cost of feeding for a unit gain in group C was significantly (P<0.05) less than in group A and B. Availability: Items available for loan: UVAS Library [Call number: 0592,T] (1).

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