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Animal Science Database

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Abstract

The somatotropic axis is a key metabolic pathway during transition from late pregnancy to early lactation in dairy cows. The first objective of this study was to determine the feasibility of selecting cows with persistent differences in total insulin-like growth factor 1 (IGF-1) concentration by...

Author(s)
Piechotta, M.; Kedves, K.; Araujo, M. G.; Hoeflich, A.; Metzger, F.; Heppelmann, M.; Muscher-Banse, A.; Wrenzycki, C.; Pfarrer, C.; Schuberth, H. J.; Hoedemaker, M.; Bollwein, H.; Kaske, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 6, pp 3737-3749
Abstract

The objective of this study was to compare 2 strategies for resynchronization of ovulation based on nonpregnant diagnoses using transrectal ultrasonography or a pregnancy-associated glycoprotein (PAG) ELISA. Lactating Holstein cows (n=1,038) were submitted for first postpartum timed artificial ...

Author(s)
Silva, E.; Sterry, R. A.; Kolb, D.; Mathialagan, N.; McGrath, M. F.; Ballam, J. M.; Fricke, P. M.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2009, 92, 8, pp 3643-3650
Abstract

AKINS, E. L., LTJDWICK, T. M., RICKARD, H. E., RADER, E. R., and ETGEN, W. M. Association of certain type evaluations and type scores of first-lactation Holstein females: 748. ALMQTJIST, J. O., AMANN, R. P., and O'DELL, W. T. Sperm reserves of dairy bulls as determined by depletion trials and...

Citation
Journal of Dairy Science, 1958, 41, pp 701-751
Abstract

BIALY, G., and HESS, E. A. The influence of added lipoprotein on the freezing of bovine spermatozoa: 623. BRAKEL, W. J. An evaluation of the American Jersey Cattle Club star bull program: 617. BRANTON, C., GRIFFITH, W. S., PATRICK, T. E., JOHNSTON, J. E., and D'ARENSBOURG, G. F. Seasonal trends in...

Citation
Journal of Dairy Science, 1955, 38, pp 587-628
Abstract

ALSMEYER, R. H., PALMER, A. Z., KOGER, M., and KIRK, W. G. Some genetic aspects of tenderness in beef: 1137. ANDERSON, L. L., DAY, B. N., EMMERSON, M. A., HAZEL, L. N., and MELAMPY, R. M. Effect of oestrogen and progesterone on early embryonic mortality in ovariectomized gilts: 1234-1235. BAIRD, D. ...

Citation
Journal of Animal Science, 1958, 17, pp 1136-1251
Abstract

KANSAS, 1942-44.-A study was made of calcium requirements for pigs when the phosphorus level in the ration was 0.3% and adequate vitamin D was present. Tests showed that neither 0.3% nor 0.4% calcium was adequate. Symptoms included loss of appetite, crooked legs, lameness and partial paralysis. In...

Citation
Extracts from Annual Reports of Agricultural Experiment Stations, U.S.A.,

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