Get Calving Problems and Early Viability of the Calf: A Seminar PDF

By D. Smidt, F. W. Huth (auth.), B. Hoffmann, I. L. Mason, J. Schmidt (eds.)

ISBN-10: 9400993153

ISBN-13: 9789400993150

ISBN-10: 940099317X

ISBN-13: 9789400993174

This e-book includes the lawsuits of a seminar held in Germany (Fed. Rep.) on may possibly four -6, 1977, less than the auspices of the fee of the ecu groups, as a part of the EEC programme of co ordination of analysis on red meat creation. The programme used to be drawn up by means of a mixed medical operating crew on Genetics and choice and on food and administration on behalf of the meat construction Committee. The operating team consisted of Professor Dr. Neimann S~rensen (Denmark, Chairman), Dr. Brolund Larsen (Denmark), Mr. Boccard (France), Dr. H. de Boer (Netherlands), Priv.-Doz. Dr. B. Hoffmann (Germany, Fed. Rep.), Professor Dr. H.J. Langholz (Germany, Fed. Rep.), Dr. J.W.B. King (UK), Mr. R. Jarrige (France), Mr. B. Vissac (France), Professor Dr. A. Romita (Italy), Professor Dr. E.P. Cunningham (Ireland), Mr. P. L'Hermite (CEC) and Dr. J.C. Tayler (Scientific Adviser to CEC). the topic selected for this seminar used to be drawn from the checklist of priorities in learn pursuits drawn up in 1973 via contributors of a committee (now the status Committee on Agricultural examine, (~PRA). one of many features of this sequence of seminars was once to summarise and replace the knowledge on hand at the chosen matters and to debate destiny wishes for learn, in an effort to help the fee in comparing the possible effect of analysis on agri cultural creation in the Community.

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Additional info for Calving Problems and Early Viability of the Calf: A Seminar in the EEC Programme of Coordination of Research on Beef Production held at Freising, Federal Republic of Germany, May 4–6, 1977

Sample text

The well known differences between heifers and cows with respect to problem births have also been observed. 7%. 1% are due to stillbirths. The reviewers had no access to data from EEC countries not mentioned. CONCLUSION It must be re-emphasised here that the reviewers cannot provide a representative view of the overall situation in the EEC countries. However, it does appear that the factors influencing the incidence of problem births and calf mortality in dairy and dualpurpose cattle breeds are similar in all EEC countries.

However, Charolais bulls increase the mean frequency of dystocic calvings (10 to 15%), but with large differences between bulls; early calf mortality is only slightly increased. In the suckling cows of these beef breeds, essentially managed in purebreeding, the frequencies of calving problems are comparable with those observed previously with the same breeds in beef crossing: purebred or crossbred Hereford cows calve as easily as do dairy cows, whereas Charolais cows exhibit substantially greater calving difficulties (about twice as many dystocic calvings).

1976 A survey of reproduction, calving and culling of cows in Irish dairy herds. Irish Journal of Agricultural Research 15; 177-183. De Kruif, A. 1976 Fertility control by means of clinical evaluation on re- production functions in cattle. Dreyer, D. 1965 EAAP Z~rich. Geburtsverlauf und K~lberverluste, untersucht an Nachkommen ostfriesischer Besamungsbullen in Testbetrieben. Dissertation, Landw. Fakult~t G~ttingen. 158 pp. Dreyer, D. 1976 Auswertung uber Geburtsverlauf und K~lberverlust der Landes- anstalt furSchweinemastleistungsprUfung und Zuchtwertsch~tzung Neum~chle.

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