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Study on effect of various non-genetic factors on performance traits of Murrah buffaloes (Buffalo Bulletin,41(4))
Puneet Malhotra - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Study on effect of various non-genetic factors on performance traits of Murrah buffaloes (Buffalo Bulletin,41(4))
ผู้แต่ง / หัวหน้าโครงการ (EN): Puneet Malhotra
หน่วยงานสังกัดผู้แต่ง (EN): Ludhiana (India). Department of Animal Genetics and Breeding
บทคัดย่อ (EN): In this study, the data was collected on production traits of Murrah buffaloes w.r.t. 1 to 4 parities for the period of 25 years maintained at Directorate Livestock Farm, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana. The effect of non-genetic factors viz, period of calving, season of calving, age at first calving and parity on daily milk yield were found to be significant and subsequently data were corrected to study the comparison of various lactation curve models to define the shape of lactation curve and to develop a suitable lactation curve model for Murrah buffaloes. The data used in the study pertained to 517293 daily milk yield records pertaining to 1524 lactations of 644 Murrah buffaloes sired by 213 bulls. The analysis was done using SAS 9.3 Least squares analysis. The period of calving showed significant (P LT 0.01) effect on 305 MY, complete lactation milk yield (CLMY), peak yield, lactation length and service period. The season of calving showed significant (P LT 0.01) effect on peak yield, lactation length and service period. The age at first calving showed significant (P LT 0.05) effect on peak yield. The parity showed significant (P LT 0.01) effect on 305 MY, complete lactation milk yield (CLMY), peak yield, lactation length and service period.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://kukr.lib.ku.ac.th/db/kukr/search_detail/result/422409
คำสำคัญ (EN): Milk yield
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Study on effect of various non-genetic factors on performance traits of Murrah buffaloes (Buffalo Bulletin,41(4))
Puneet Malhotra
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Estimates of genetic parameters for production and reproduction traits in Murrah buffaloes (Riverine buffalo) in India (Buffalo Bulletin,41(1)) Effect of supplementation of probiotics and rumen buffer on performance of lactating buffaloes (Buffalo Bulletin,41(2)) The effect of different milking techniques on the performance of the Anatolian water buffaloes (Buffalo Bulletin,41(2)) Effect of zinc and vitamin E supplementation on production performance of lactating buffaloes (Buffalo Bulletin,41(4)) Incidence of various haemoprotozoan diseases in buffaloes (Buffalo Bulletin,41(3)) Response of diet supplemented with mustard oil on production performance in lactating Murrah buffaloes (Buffalo Bulletin,41(4)) Diagnosis and therapeutic management of oral tumours in Murrah buffaloes (Buffalo Bulletin,41(1)) Histoarchitectural study of mammary alveoli on lactation, involution and pregnant stage in Murrah buffalo (Buffalo Bulletin,41(1)) Effect of dietary betaine on endocrine profile in postpartum lactating Murrah buffaloes during hot-humid season (Buffalo Bulletin,41(4)) Effect of season and stage of lactation on milk components in Purnathadi buffaloes (Buffalo Bulletin,41(3))
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