Contribution of different characters to lactation milk yield of Sahiwal cattle - A path analysis approach

被引：0
|
作者：
Naskar, S. [1 ]
Banik, S. [1 ]
Tomar, S. S. [1 ]
机构：
[1] Natl Dairy Res Inst, Karnal 132001, Haryana, India
来源：
INDIAN JOURNAL OF ANIMAL SCIENCES | 2006年 / 76卷 / 08期
关键词：
cattle; lactation; milk yield; path analysis;
D O I：
暂无
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
The path analysis for lactation milk yield (LMY) of 471 Sahiwal cattle maintained at the institute's herd from 1980 to 2002, was done for-individual lactations up to fifth lactation and for all the lactations combined together. The study showed that birth weight,and age at first calving (AFC) had negligible effects. The variability in 305 days milk yield (305 dMY) and lactation length (LL) had explained most of the variability in LMY. Out of 93.66% variability in LMY explained by 305 dMY, 61.40% was due to its direct effect. The service period (SP) had a total effect of 9.65% to the LMY. Nearly 96% variability in LMY was explained by the factors under study.
引用
收藏
页码：618 / 620
页数：3
相关论文
共 50 条
  • [41] Genetic analysis of test days, 305 days and lifetime lactation records in Sahiwal cattle
    Pandey, Manjari
    Raja, K. N.
    [J]. INDIAN JOURNAL OF DAIRY SCIENCE, 2020, 73 (03): : 256 - 259
  • [42] Milk somatic cell derived transcriptome analysis identifies regulatory genes and pathways during lactation in Indian Sahiwal cattle (Bos indicus)
    Sonika Ahlawat
    Ramesh Kumar Vijh
    Anju Sharma
    Upasna Sharma
    Yashila Girdhar
    Mandeep Kaur
    Pooja Chhabra
    Ashish Kumar
    Reena Arora
    [J]. Molecular Biology Reports, 2020, 47 : 7029 - 7038
  • [43] Milk somatic cell derived transcriptome analysis identifies regulatory genes and pathways during lactation in Indian Sahiwal cattle (Bos indicus)
    Ahlawat, Sonika
    Vijh, Ramesh Kumar
    Sharma, Anju
    Sharma, Upasna
    Girdhar, Yashila
    Kaur, Mandeep
    Chhabra, Pooja
    Kumar, Ashish
    Arora, Reena
    [J]. MOLECULAR BIOLOGY REPORTS, 2020, 47 (09) : 7029 - 7038
  • [44] Heterosis effects on 305-day milk yield in a Girolando dairy cattle population in different lactation orders
    Daltro, Darlene dos Santos
    Negri, Renata
    Cobuci, Jaime Araujo
    [J]. LIVESTOCK SCIENCE, 2021, 245
  • [45] Efficiency of different selection criteria for persistency and lactation milk yield
    Togashi, K
    Lin, CY
    [J]. JOURNAL OF DAIRY SCIENCE, 2004, 87 (05) : 1528 - 1535
  • [46] Genetic analysis of resilience indicators based on milk yield records in different lactations and at different lactation stages
    Poppe, M.
    Bonekamp, G.
    van Pelt, M. L.
    Mulder, H. A.
    [J]. JOURNAL OF DAIRY SCIENCE, 2021, 104 (02) : 1967 - 1981
  • [47] Random regression test-day milk yield models as a suitable alternative to the traditional 305-day lactation model for genetic evaluation of Sahiwal cattle
    Prakash, Ved
    Gupta, A. K.
    Singh, M.
    Ambhore, G. S.
    Singh, A.
    Gandhi, R. S.
    [J]. INDIAN JOURNAL OF ANIMAL SCIENCES, 2017, 87 (03): : 340 - 344
  • [48] Expected genetic gain in total lactation milk yield under single and multiple record selection in Sahiwal cows
    Bara, Deepti Kiran
    Mukherjee, K.
    Singh, Mohan
    Mishra, Sharad
    [J]. INDIAN JOURNAL OF ANIMAL SCIENCES, 2010, 80 (02): : 177 - 178
  • [49] EFFECT OF INBREEDING OF MILK-YIELD AND LACTATION LENGTH OF WHITE FULANI CATTLE
    EHIOBU, NG
    [J]. INDIAN JOURNAL OF ANIMAL SCIENCES, 1993, 63 (01): : 84 - 85
  • [50] Prediction of first lactation milk yield from records in progress in crossbred cattle
    Singh, D
    Yadav, AS
    [J]. INDIAN JOURNAL OF ANIMAL SCIENCES, 1996, 66 (08): : 833 - 834
12345