Advertisement
Research-Article| Volume 65, ISSUE 3, P495-501, March 1982

Download started.

Ok

A Dairy Cow Body Condition Scoring System and Its Relationship to Selected Production Characteristics

      This paper is only available as a PDF. To read, Please Download here.

      Abstract

      A scoring system with 1 to 5 scale was devised to measure body condition of dairy cows at any point during the lactation cycle. Cows were scored on appearance and palpation of back and hind quarters only. Relationships of body weight, frame size measurements, milk production, and characteristics related to the body condition scoring system were determined. During 18 mo, 28 cows in each of 29 dairy herds were used for body measurements and body condition scores. Data were obtained from each herd at 3-mo intervals. Body weight and frame size measurements could not be correlated with body condition score. Dairy cows of greatest efficiency of milk production showed no significant increase in body condition during lactation, had fewer days open, but had lower persistency of lactation. Dairy cows that increased significantly in body condition during lactation were less efficient producers, had a greater number of days open, and had high body condition scores at the end of lactation. The body condition scoring system is a means of accurately determining body condition of dairy cows, independent of body weight and frame size.

      References

      1. Barr, A. J., J. H. Goodnight, J. P. Sail, and J. T. Helwig. 1972. A user's guide to SAS 72, SAS Inst., Inc., Raleigh, NC.

      2. Barr, A. J., J. H. Goodnight, J. P. Sail, and J. T. Helwig. 1976. A user's guide to SAS 76, SAS Inst., Inc., Raleigh, NC.

        • Belyea R.L.
        • Coppock C.E.
        • Merrill W.G.
        • Slack S.T.
        Effects of silage based diets on feed intake, milk production, and body weight of dairy cows.
        J. Dairy Sci. 1975; 58: 1328
        • Julien W.E.
        • Conrad H.R.
        • Redman D.R.
        Influence of dietary protein on susceptibility to alert downer syndrome.
        J. Dairy Sci. 1977; 60: 210
        • Kleiber M.
        The fire of life; an introduction to animal energetics.
        John Wiley and Sons, Inc., New York, London1961 (Pages 321–322)
        • Klosterman E.W.
        Beef cattle size for maximum efficiency.
        J. Anim. Sci. 1972; 34: 875
      3. Lowman, B. G., N. A. Scott, and S. H. Sommerville. 1976. Condition scoring of cattle. East Scotland Coll. Agric, Bull. No. 6.

        • Moe P.W.
        • Flatt W.P.
        • Tyrrell H.F.
        Net energy value of feeds for lactation.
        J. Dairy Sci. 1972; 55: 945
        • Moe P.W.
        • Reid J.T.
        • Tyrrell H.F.
        Effect of level of intake on digestibility of dietary energy by high-producing cows.
        J. Dairy Sci. 1965; 48: 1053
        • Morrow D.A.
        Fat cow syndrome.
        J. Dairy Sci. 1976; 59: 1625
        • National Research Council
        Nutrient requirements of dairy cattle.
        Nat. Acad. Sci., Washington, DC1978
      4. Snedecor, G. W., and W. G. Cochran. 1967. Statistical methods. 6th ed.

        • Troutt H.F.
        Pathology associated with rations.
        Proc. Am. Assoc. Bovine Practitioners. 1974; 6: 68