Applied Animal Science 

Prediction of Carcass Characteristics at Market Weight from Serial Real-Time Ultrasound Measures of Backfat and Loin Eye Area in the Growing Pig

D. G. McLaren, F. M. McKeith, and J. Novakofski
J. Anim Sci. 1989 67: 1657-1667. [Abstract] [PDF]  

Influence of Helminth Parasite Exposure and Strategic Application of Anthelmintics on the Development of Immunity and Growth of Swine

J. F. Urban, Jr, R. D. Romanowski, and N. C. Steele
J. Anim Sci. 1989 67: 1668-1677. [Abstract] [PDF]  

Effects of Preconditioning on Performance of Beef Calves before and after Entering the Feedlot

E. B. Peterson, D. R. Strohbehn, G. W. Ladd, and R. L. Willham
J. Anim Sci. 1989 67: 1678-1686. [Abstract] [PDF]  

The Economic Viability of Preconditioning for Cow-Calf Producers

E. B. Peterson, D. R. Strohbehn, G. W. Ladd, and R. L. Willham
J. Anim Sci. 1989 67: 1687-1697. [Abstract] [PDF]  

Effects of Ammoniated Bermudagrass Hay and Monensin Supplementation on Heifer Postweaning Growth

W. E. Wyatt, W. M. Craig, R. N. Gates, F. G. Hembry, and D. L. Thompson, Jr.
J. Anim Sci. 1989 67: 1698-1706. [Abstract] [PDF]  

Improving Parity-Two Litter Size in Swine

W.E.M. Morrow, A. D. Leman, N. B. Williamson, R. Moser, and C. Pijoan
J. Anim Sci. 1989 67: 1707-1713. [Abstract] [PDF]  

Articles 

Undergraduate Scholar Awards

J. Anim Sci. 1989 67: 1864-1874. [Abstract] [PDF]  

News and Notes

J. Anim Sci. 1989 67: 1875. [Abstract] [PDF]  

Placement

J. Anim Sci. 1989 67: 1876-1878. [Abstract] [PDF]  

Biographical Sketch 

Leon Jacob Cole, 1877–1948: A Brief Biography

Gordon E. Dickerson and Arthur B. Chapman
J. Anim Sci. 1989 67: 1653-1656. [Abstract] [PDF]  

Breeding and Genetics 

Effects of Breeding System, Cow Weight and Milk Yield on Reproductive Performance in Beef Cattle

C. F. Fiss and J. W. Wilton
J. Anim Sci. 1989 67: 1714-1721. [Abstract] [PDF]  

Comparisons of Brahman and Continental European Crossbred Cows for Calving Ease in a Subtropical Environment

D. G. Morrison, P. E. Humes, and K. L. Koonce
J. Anim Sci. 1989 67: 1722-1731. [Abstract] [PDF]  

Environment and Behavior 

Food Aversion Learning: Ability of Lambs to Distinguish Safe from Harmful Foods

E. A. Burritt and F. D. Provenza
J. Anim Sci. 1989 67: 1732-1739. [Abstract] [PDF]  

Growth and Developmental Biology 

Chronic Effects of Recombinant Porcine Growth Hormone on Adrenal Weight and Activity in Pigs

M. N. Sillence and T. D. Etherton
J. Anim Sci. 1989 67: 1740-1743. [Abstract] [PDF]  

Nonruminant Nutrition 

Energy Evaluation of Tallow and Oat Groats for Young Swine

S. T. Galloway and R. C. Ewan
J. Anim Sci. 1989 67: 1744-1750. [Abstract] [PDF]  

Effect of Dietary Soybean Meal on the Microscopic Anatomy of the Small Intestine in the Early-Weaned Pig

B. R. Dunsford, D. A. Knabe, and W. E. Haensly
J. Anim Sci. 1989 67: 1855-1863. [Abstract] [PDF]  

Physiology and Endocrinology 

Effect of Zeranol on Sexual Development of Crossbred Bulls

R. W. Godfrey, R. D. Randel, and F. M. Rouquette, Jr.
J. Anim Sci. 1989 67: 1751-1756. [Abstract] [PDF]  

Efficacy of Methods Used to Test Fertility of Beef Bulls Used for Multiple-Sire Breeding under Range Conditions

G. H. Coulter and G. C. Kozub
J. Anim Sci. 1989 67: 1757-1766. [Abstract] [PDF]  

Effect of Initial Length of Uterus per Embryo on Fetal Survival and Development in the Pig

M. C. Wu, Z. Y. Chen, V. L. Jarrell, and P. J. Dziuk
J. Anim Sci. 1989 67: 1767-1772. [Abstract] [PDF]  

Ruminant Nutrition 

Effects of Time of Day and Monensin on the Size Distribution of Particles in Digestive Tract Sites of Heifers Fed Corn Silage

A. G. Deswysen, K. R. Pond, E. Rivera-Villarreal, and W. C. Ellis
J. Anim Sci. 1989 67: 1773-1783. [Abstract] [PDF]  

Corn Fiber as an Energy Supplement in High-Roughage Diets Fed to Steers and Lambs

B. A. Oliveros, T. J. Klopfenstein, F. K. Goedeken, M. L. Nelson, and E. E. Hawkins
J. Anim Sci. 1989 67: 1784-1792. [Abstract] [PDF]  

Digestibility, Protein Metabolism and Ruminal Degradation of Beagle 82 Triticale and Kline Barley Fed in Corn-Based Cattle Diets

G. M. Hill and P. R. Utley
J. Anim Sci. 1989 67: 1793-1804. [Abstract] [PDF]  

The Influence of Pregnancy and Source of Supplemental Protein on Intake, Digestive Kinetics and Amino Acid Absorption by Ewes

K. P. Coffey, J. A. Paterson, C. S. Saul, L. S. Coffey, K. E. Turner, and J. G. Bowman
J. Anim Sci. 1989 67: 1805-1814. [Abstract] [PDF]  

Special Topics 

Symposium on Recent Advances in Studies of Reproductive Behavior: Introductory Remarks

Donald D. Lunstra
J. Anim Sci. 1989 67: 1815. [Abstract] [PDF]  

Differentiation of Sexual Behavior in Cattle, Sheep and Swine

J. J. Ford and M. J. D'Occhio
J. Anim Sci. 1989 67: 1816-1823. [Abstract] [PDF]  

Sexual Differentiation in Litter-Bearing Mammals: Influence of Sex of Adjacent Fetuses in Utero

F. S. vom Saal
J. Anim Sci. 1989 67: 1824-1840. [Abstract] [PDF]  

Coordination of Social Signals and Ovarian Function during Sexual Development

John G. Vandenbergh
J. Anim Sci. 1989 67: 1841-1847. [Abstract] [PDF]  

Effectiveness of the Journal of Animal Science in Meeting Membership Needs: Results of a Survey

D. M. Hallford, D. J. Meisinger, and D. G. Spruill
J. Anim Sci. 1989 67: 1848-1854. [Abstract] [PDF]  

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