Genetic and phenotypic parameters for individual cow somatic cell counts in Zimbabwean Holstein-Friesian cattle

Archives Animal Breeding

Volumn 44, Issue 2, 2001, Pages 129-137

  Imbayarwo Chikosi, E V ^a   Makuza, S M ^b   Wollny, C B A ^c   Banda, J W ^c  

^a University of Zimbabwe Animal Science Department ^*  (Zimbabwe)

^b UNIVERSITY OF ZIMBABWE   (Zimbabwe)

^c LILONGWE UNIVERSITY OF AGRICULTURE AND NATURAL RESOURCES   (Malawi)

Author keywords

fat corrected milk (FCM); fat kg; Holstein Friesian; milk yield; protein kg; somatic cell counts (SCC); Zimbabwe

Indexed keywords

EID: 0035586019     PISSN: 00039438     EISSN: 23639822     Source Type: Journal    
DOI: 10.5194/aab-44-129-2001     Document Type: Article

References (25)

1. ALI, A, K. A.; SHOOK, O. E.: An opLimum transformation for somatic cell count concentration in milk. J. Dairy Sd. 63 (1980), 487. 490
2. BANOS, O.; SHOOK, G. E.: Genotype by environment interaction and genetic correlation among parities in somatic cell count and milk. J. Dairy Sci. 73(1990), 2563-2573
3. FEEDO, S.; SZEKELY, ZA.; GUNDEL, J.: Variation in milk composition and somatic cell count of Holstein.Frieslan cows of different parity. Allattenyesztes es Takarmanyozas, Hungary. 4 (1996), 503-513
4. BOETTCHER. P. J.; DEKKERS, J. C. M.; KOLSTAD, B. W, : Development of an udder health index for sire selection based on somatic cell score, udder conformation and milking speed. J. Dairy Sd. 81 (1998), 1157.1168
5. EMMANUELSON, U.; DANIELL, B.; PHILIPSSON, J.: Genetic parameters for clinical mastitis somatic cell counts and milk production estimated by multiple trait restricted maximum likelihood. J. Dairy Sci. 71(1988), 467-476
6. GILMOUR. A.: Average Information REML Manual. Polycopy, 1995
7. GROSSMAN, Y. D. M.; MISZTAL. I.; WIGGANS, O. R.: Estimation of genetic parameters for somatic ccli score in Holsteins. J. Dairy Sci. 75 (1992), 2265.2271
8. HAZEL, L. N.; TERRILL, C. E, : Heritability of weaning weigst and staple length in range ramboulilet lambs. J. Anini. Sd. 4 (1945), 347-358
9. JAIRATH, L. K.; HAYES, J. F.; CUE, I.: Multitrait Restricted Maximum Likelihood Estimates of genetic and phenotypic parameters of littettrne performance traits for Canadian Holsteins. J. Dairy Sci. 77(1994), 303-312
10. LABOHM, R.; GOTZ, E.; LUHOFER, O.; HESS, R. O.; BOSTEDT, H.: Factors influencing the somatic milk-cell count in dairy cows. I Influence of bacteriological findings, stage and number of lactation. Milchwissenschafl 53 (1998), 63-66
11. MAKUZA, S.; MCDANIEL, B. T. Genetic and Phenotypic trends in Holstein herds in Zimbabwe. 3, Zimb. Soc. Anim. Prod. 8 (1997). 111-114
12. MARCHAND, D.; BAILLARGEON. P.; LANCROIX, D.: Curves for somatic cell counts. A tool for analysing your herd (Part I). Producteur de lait Quebecois 16 (1995), 45-48
13. MONARDES. H. O.; HAYES, J. F.: Genetic and phcnotypic relationships bctwccn lactation cdl count and milk yield and composition of Holstein cows. J. Dairy Sd. 68(1985), 1250-1256
14. MONARDES. H. G.; KENNEDY, B. W.; MOXLEY, J. E.: Heritabilities of measures of somatic cell count per lactation. J. Dairy Sd. 66(1983), 1707-1713
15. MRODE, R. A.; SWANSON, G. J. T.: Gcnetc and statistical properties of somatic cell counts and its suitability as an indicator means of reducing mastitis in dairy cattle. Anini. Breeding Abstr. 64(1996), 847-857
16. MRODE, R. A.; SWANSON, G. J. T.; WINTERS, M. S.: Genetic parameters and evaluations for somatic cell counts and ks relationship with production traits in some dairy breeds in the United Kingdom. Anim. Sci. 66(1998), 596-576
17. POSO, J.; MANTYSAARI, E. A.: Relationships between clinical mastitis, somatic cell score and production for the first three lactations of Finnish Ayrshire. J. Dairy Sci. 79(1996), 1284-1291
18. PRYCE, J. B.; ESSLEMONT, R. J.; THOMPSON, R.; VEERKAMP, R. F.; KOSSAIBATI, M. A.; SIMM, O.: Estimation of genetic parameters using health, fertility and production data from a management recording system for dairy cattle. Anim. Sci, 66(1998), 577-584
19. RENEAU, J. K.: Effective use of dairy herd improvement somatic cell counts in mastitis control. J. Dairy Sci, 69 (1986), 1708-1720
20. RUPP, R., HOICHARD, O. Genetic evaluation of dairy cattle for somatic cell count to improve rnastitis resistance. In Proc. 4th meeting Rencontrcs autour des recherclics sur les ruminants 4-5 Dec 1997. Paris, France. 1997
21. SAS®: User Guide: Statistics, Version 6.10 Edition. SAS Institute, Inc., Cary, NC, USA 1994
22. SCHUTZ, M. M. VAN RADEN, P. M.; WIGGANS, G. R, : Genetic variation in lactation means of somatic cell scores for six breeds of dairy cattle. J. Dairy Sci. 77 (1994), 284-293
23. SIMIANER H.; SOLBU, H.; SCHAEFFER, L. R.: Estimated genetic correlations between disease and yield traits in dairy cattle. J. Dairy Sci. 74 (1991), 4358-4365
24. VECHT, U.; SHOOK, G. E.; POLITIEK, R. O.; GROOTENHURS, G.; KOOPS, W. J., GROOTHUIS, D. G.: Effect of bull selection for somatic cell count in first lactation on cell counts aiid pathogcns In later laciations. J. Dairy Sd. 68 (1985), 2995
25. ZIMBABWE DAIRY SERVICES ASSOCIATION (ZDSA): Annual Report 1998