Applied Animal Science 

Ammonium Polyphosphate as a Source of Phosphorus and Nonprotein Nitrogen for Monogastrics

A. J. Clawson and W. D. Armstrong
J. Anim Sci. 1981 52: 1-7. [Abstract] [PDF]  

Performance of Feedlot Cattle Fed Brown Midrib-Three or Normal Corn Silage with Various Levels of Additional Corn Grain

E. A. Keith, V. F. Colenbrander, T. W. Perry, and L. F. Bauman
J. Anim Sci. 1981 52: 8-13. [Abstract] [PDF]  

Wet versus Dry Diets for Weaned Pigs

E. T. Kornegay, H. R. Thomas, D. L. Handlin, P. R. Noland, and D. K. Burbank
J. Anim Sci. 1981 52: 14-17. [Abstract] [PDF]  

Breeding and Genetics 

Comparison of Three-Breed and Backcross Swine for Litter Productivity and Postweaning Performance

E. R. Wilson and R. K. Johnson
J. Anim Sci. 1981 52: 18-25. [Abstract] [PDF]  

Comparisons of Mating Systems with Duroc, Hampshire and Yorkshire Breeds of Swine for Efficiency of Swine Production

E. R. Wilson and R. K. Johnson
J. Anim Sci. 1981 52: 26-36. [Abstract] [PDF]  

Estimates of Genetic and Environmental Effects on Performance Traits from Limousin Field Data

M. E. Massey and L. L. Benyshek
J. Anim Sci. 1981 52: 37-43. [Abstract] [PDF]  

Estimation of Direct and Maternal Additive and Heterotic Effects from Crossbreeding Experiments in Animals

O. W. Robison, B. T. McDaniel, and E. J. Rincon
J. Anim Sci. 1981 52: 44-50. [Abstract] [PDF]  

Mature Weight, Maturation Rate, Maternal Performance and Their Interrelationships in Purebred and Crossbred Cows of Angus and Milking Shorthorn Parentage

T. S. Stewart and T. G. Martin
J. Anim Sci. 1981 52: 51-56. [Abstract] [PDF]  

Growth and Experimental Biology 

Effects of Breed and Zeranol Implantation on Serum Insulin, Somatomedin-Like Activity and Fibroblast Proliferative Activity

P. J. Wangsness, R. F. Olsen, and R. J. Martin
J. Anim Sci. 1981 52: 57-62. [Abstract] [PDF]  

Relationship of Serum Somatomedin-Like Activity and Fibroblast Proliferative Activity with Age and Body Weight Gain in Sheep

R. F. Olsen, P. J. Wangsness, W. H. Patton, and R. J. Martin
J. Anim Sci. 1981 52: 63-68. [Abstract] [PDF]  

Effect of Fasting on Hormones and Metabolites in Plasma of Fast-growing, Lean and Slow-growing Obese Pigs

P. J. Wangsness, W. A. Acker, J. H. Burdette, L. F. Krabill, and R. Vasilatos
J. Anim Sci. 1981 52: 69-74. [Abstract] [PDF]  

Effect of Fasting on Free Fatty Acid, Glycerol and Cholesterol Concentrations in Blood Plasma and Lipoprotein Lipase Activity in Adipose Tissue of Cattle

Nancy M. DiMarco, Donald C. Beitz, and Garnett B. Whitehurst
J. Anim Sci. 1981 52: 75-82. [Abstract] [PDF]  

Meat Science 

Characteristics of Fat from Heavy Ram and Wether Lambs

J. R. Busboom, G. J. Miller, R. A. Field, J. D. Crouse, M. L. Riley, G. E. Nelms, and C. L. Ferrell
J. Anim Sci. 1981 52: 83-92. [Abstract] [PDF]  

Nonruminant Nutrition 

An Evaluation of an Ensiled Waste Fish Product in Swine Diets

G. W. Tibbetts, R. W. Seerley, H. C. McCampbell, and S. A. Vezey
J. Anim Sci. 1981 52: 93-100. [Abstract] [PDF]  

A Technique for Monitoring Nutrient Absorption in the Conscious, Unrestrained Pig

N. L. Bajjalieh, A. H. Jensen, G. R. Frank, and D. E. Brown
J. Anim Sci. 1981 52: 101-107. [Abstract] [PDF]  

Pharmacology and Toxicology 

Heavy Metal Retention in Tissues of Cattle Fed High Cadmium Sewage Sludge

D. E. Johnson, E. W. Kienholz, J. C. Baxter, E. Spangler, and G. M. Ward
J. Anim Sci. 1981 52: 108-114. [Abstract] [PDF]  

Physiology and Endocrinology 

FSH or FSH Plus LH Superovulation in Ewes following Estrus Synchronization with Medoxyprogesterone Acetate Pessaries

Raymond W. Wright, Jr., Kenneth Bondioli, Jean Grammer, Frank Kuzan, and Alfred Menino, Jr.
J. Anim Sci. 1981 52: 115-118. [Abstract] [PDF]  

Influence of Season and Age on Reproductive Activity in Pony Mares on the Basis of a Slaughterhouse Survey

James A. Wesson and O. J. Ginther
J. Anim Sci. 1981 52: 119-129. [Abstract] [PDF]  

Synchronization of Estrus in Gilts with Allyl Trenbolone: Fecundity after Natural Service and Insemination with Frozen Semen

V. G. Pursel, D. O. Elliott, C. W. Newman, and R. B. Staigmiller
J. Anim Sci. 1981 52: 130-133. [Abstract] [PDF]  

Ruminant Nutrition 

Effect of 2- Versus 6-Day Collections for the Determination of Ruminal and Postruminal Digestion in Steers

Brent Theurer, Shahrokh Rahnema, Jose A. Garcia, and Melvin C. Young
J. Anim Sci. 1981 52: 134-137. [Abstract] [PDF]  

Alkali Treatment of Cereal Grains. I. in Situ and in Vitro Evaluation

L. L. Berger, G. D. Anderson, and G. C. Fahey, Jr.
J. Anim Sci. 1981 52: 138-143. [Abstract] [PDF]  

Alkali Treatment of Cereal Grains. II. Digestion, Ruminal Measurements and Feedlot Performance

G. D. Anderson, L. L. Berger, and G. C. Fahey, Jr.
J. Anim Sci. 1981 52: 144-149. [Abstract] [PDF]  

Symposium on 'Management of Livestock in Adverse Environments' 

What is Animal Stress and How is it Measured?

G. H. Stott
J. Anim Sci. 1981 52: 150-153. [Abstract] [PDF]  

Cold Stress as it Affects Animal Production

B. A. Young
J. Anim Sci. 1981 52: 154-163. [Abstract] [PDF]  

Heat Stress as it Affects Animal Production

J. W. Fuquay
J. Anim Sci. 1981 52: 164-174. [Abstract] [PDF]  

Housing and Management to Reduce Climatic Impacts on Livestock

G. LeRoy Hahn
J. Anim Sci. 1981 52: 175-186. [Abstract] [PDF]  

Other 

News and Notes

J. Anim Sci. 1981 52: 187-190. [Abstract] [PDF]  

Placement

J. Anim Sci. 1981 52: 191-194. [Abstract] [PDF]  

Memorial — Carl B. Roubicek

J. Anim Sci. 1981 52: 195-198. [Abstract] [PDF]  

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