A Comparative Study On Reproductive Performance Of Friesian Cows, Due To Variable Environmental Influences, (Record no. 2232)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02808nam a2200193Ia 4500 |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20150917143649.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 150525s1996 xx 000 0 und d |
| 041 ## - LANGUAGE CODE | |
| Language code of text/sound track or separate title | eng |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | 0479,T |
| 100 ## - MAIN ENTRY--AUTHOR NAME | |
| Personal name | Rafique Tareen, M |
| 110 ## - MAIN ENTRY--CORPORATE NAME | |
| Location of meeting | Dr. Imtiaz Hussain Khan |
| 245 #2 - TITLE STATEMENT | |
| Title | A Comparative Study On Reproductive Performance Of Friesian Cows, Due To Variable Environmental Influences, |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Year of publication | 1996 |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | The breeding records of 200 Friesian cows collected during 1977 to 1995 at Govt. Dairy Farm Quetta and 1983 to 1995 at Pishin, Balochistan were analysed. The parameters of reproductive performance like age at puberty, age at first calving, conception rate, service period, gestation period, calving interval, dry period and reproductive efficiency were determined. An effort was made to study the influence of the environmental factors on the reproductive traits. The overall average age at puberty for 200 cows (150 heifer at Quetta and 50 heifers at Pishin) was 684.21±11.91 days at Quetta and 662.51±3.90 days at Pishin. Season of birth had highly significant effect on the maturity age. Winter born heifers matured earlier as compared to those born in other seasons. The data indicated that cows at Pishin matured earlier than that heifers at Quetta. The age at first calving averaged 978.01 ± 17.39 days at Quetta and 958.90±16.311 clays at Pishin with range from 501-1100 days. The overall average conception rate was 48.93% at Quetta and 50.33% at Pishin. The service period of cows at Pishin averaged 88.90±4.30 days and at Quetta, 81.30±3.3 days. Minimum service period was observed after Winter and maximum after Summer calving at Quetta. At Pishin minimum service period after Spring and maximum service period after Winter. The overall average length of calving interval was 464.20±4.9 days at Quetta and 361.11±38.00 days at Pishin. Highly significant (P <0.05) difference in calving interval were recorded between Farms. Longest calving interval 374.50 days after Summer to Autumn calving and shorter calving interval 351.90 days after Spring calving were observed at Govt. dairy farm Quetta, but at Pishin longest calving interval 365.00 days after Autumn calving and shorter calving interval 356.10 were found days after Spring calving respectively. The dry period of Holstein Friesian averaged 69.7 ±2.9 days at Quetta and 65 ±3.50 days at Pishin. The result was highly significantly due to Farm difference. The overall reproductive efficiency of Holstein Friesian cows maintained at Govt. Dairy Farm, Quetta and Pishin, was 81±1.00% and 83±1.25%, respectively. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Department of Theriogenology |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Prof. Dr. Rashid Ahmed Chaudhary |
| 710 ## - ADDED ENTRY--CORPORATE NAME | |
| Corporate name or jurisdiction name as entry element | Faculty of Veterinary Sciences |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Thesis |
| Damaged status | Collection code | Permanent Location | Current Location | Shelving location | Date acquired | Full call number | Accession Number | Koha item type |
|---|---|---|---|---|---|---|---|---|
| Veterinary Science | UVAS Library | UVAS Library | Thesis Section | 2015-05-27 | 0479,T | 0479,T | Thesis |