Applied Animal Science 

Effect of Monensin on Ruminal Fermentation, Forage Intake and Weight Gains of Wheat Pasture Stocker Cattle

G. W. Horn, T. L. Mader, S. L. Armbruster, and R. R. Frahm
J. Anim Sci. 1981 52: 447-454. [Abstract] [PDF]  

Influence of Breed, Calving Season, Supplementation and Year on Productivity of Range Cows

M. Martin Bellido, Joe D. Wallace, E. E. Parker, and M. D. Finkner
J. Anim Sci. 1981 52: 455-462. [Abstract] [PDF]  

Detection of Pregnancy in Ewes with the Ultrasonic Scanopreg

S. F. Lane and P. E. Lewis
J. Anim Sci. 1981 52: 463-467. [Abstract] [PDF]  

Feeding Swine Waste. III. Digestibility, Nitrogen Utilization and Palatability of Ensiled Swine Waste and Corn Grain or Orchard Grass Hay Fed to Swine

J.C.A. Berger, E. T. Kornegay, J. P. Fontenot, and K. E. Webb, Jr.
J. Anim Sci. 1981 52: 468-474. [Abstract] [PDF]  

Breeding and Genetics 

Comparison of Two- and Three-Way Rotational Crossing and Synthetic Variety Production Involving Inbred Lines of Hereford Cattle: Preweaning and Weaning Traits

J. J. Urick, O. F. Pahnish, G. V. Richardson, and R. L. Blackwell
J. Anim Sci. 1981 52: 475-482. [Abstract] [PDF]  

Yield and Composition of Milk from Various Two-Breed Cross Cows

C. G. Chenette and R. R. Frahm
J. Anim Sci. 1981 52: 483-492. [Abstract] [PDF]  

Relationship of Body Measurements, Weight, Age and Fatness to Size and Performance in Beef Cattle

J. R. McCurley and J. B. McLaren
J. Anim Sci. 1981 52: 493-499. [Abstract] [PDF]  

Growth and Developmental Biology 

The Relationship of Thyroxine Secretion Rate to Growth of Swine

D. N. Marple, R. F. Nachreiner, J. F. Pritchett, and D. L. Kuhlers
J. Anim Sci. 1981 52: 500-504. [Abstract] [PDF]  

Effects of Age on Lipogenesis and Lipolysis in Lean and Obese Swine

R. A. Scott, S. G. Cornelius, and H. J. Mersmann
J. Anim Sci. 1981 52: 505-511. [Abstract] [PDF]  

Meat Science 

Muscle, Fat and Bone in Serially Slaughtered Large Dairy or Small Beef Cattle Fed Corn or Corn Silage Diets in One of Two Locations

A.Y.M. Nour, M. L. Thonney, J. R. Stouffer, and W.R.C. White, Jr.
J. Anim Sci. 1981 52: 512-521. [Abstract] [PDF]  

Improving Appearance and Palatability of Meat from Ram Lambs by Electrical Stimulation

R. R. Riley, J. W. Savell, G. C. Smith, and Maurice Shelton
J. Anim Sci. 1981 52: 522-529. [Abstract] [PDF]  

Effect of Electrical Stimulation on Thermal Shrinkage Temperature of Bovine Muscle Collagen

M. D. Judge, E. S. Reeves, and E. D. Aberle
J. Anim Sci. 1981 52: 530-534. [Abstract] [PDF]  

Nonruminant Nutrition 

Effect of Doubling Daily Energy Intake during the Last Two Weeks of Pregnancy on Pig Birth Weight, Survival and Weaning Weight

W. G. Pond, J. T. Yen, R. R. Maurer, and R. K. Christenson
J. Anim Sci. 1981 52: 535-541. [Abstract] [PDF]  

The Influence of Sow Dietary Lipids and Choline on Piglet Survival, Milk and Carcass Composition

R. W. Seerley, R. A. Synder, and H. C. McCampbell
J. Anim Sci. 1981 52: 542-550. [Abstract] [PDF]  

Wheat Shorts in Diets of Gestating Swine

L. G. Young and G. L. King
J. Anim Sci. 1981 52: 551-556. [Abstract] [PDF]  

Effect of Sorghum Particle Size on Digestibility of Nutrients at the Terminal Ileum and over the Total Digestive Tract of Growing-Finishing Pigs

Walter F. Owsley, D. A. Knabe, and T. D. Tanksley, Jr.
J. Anim Sci. 1981 52: 557-566. [Abstract] [PDF]  

Physiology and Endocrinology 

Luteotropic Effects of Bovine Blastocysts

W. E. Beal, J. H. Lukaszewska, and W. Hansel
J. Anim Sci. 1981 52: 567-574. [Abstract] [PDF]  

Concentrations of Sperm, Protein and a Sperm Membrane Glycoprotein within Boar Epididymal Luminal Fluids

A. G. Hunter and D. A. Schellpfeffer
J. Anim Sci. 1981 52: 575-579. [Abstract] [PDF]  

Effect of Exogenous Progesterone on Time of Occurrence of the LH Surge in Heifers

J. F. Roche and J. J. Ireland
J. Anim Sci. 1981 52: 580-586. [Abstract] [PDF]  

Cortisol and Luteinizing Hormone after Adrenocorticotropic Hormone Administration to Postpartum Beef Cows

S. E. Dunlap, T. E. Kiser, N. M. Cox, F. N. Thompson, G. B. Rampacek, L. L. Benyshek, and R. R. Kraeling
J. Anim Sci. 1981 52: 587-593. [Abstract] [PDF]  

Cold Stress Reduces the Acquisition of Colostral Immunoglobulin in Piglets

Frank Blecha and Keith W. Kelley
J. Anim Sci. 1981 52: 594-600. [Abstract] [PDF]  

Increased Sperm Death in the Cervix and Uterus of Estrous Ewes after Regulation of Estrus with Prostaglandin or Progestogen

H. W. Hawk, B. S. Cooper, and V. G. Pursell
J. Anim Sci. 1981 52: 601-610. [Abstract] [PDF]  

Sperm Death and Inhibition of Sperm Transport in the Cervix of Ewes in Estrus After Removal of the Corpus Luteum-Bearing Ovary

H. W. Hawk, B. S. Cooper, and V. G. Pursel
J. Anim Sci. 1981 52: 611-617. [Abstract] [PDF]  

Ruminant Nutrition 

Variability in Response by Beef Steers to Cement Kiln Dust in High Concentrate Diets

William E. Wheeler
J. Anim Sci. 1981 52: 618-627. [Abstract] [PDF]  

Monensin Supplementation and in vivo Methane Production by Steers

J. H. Thornton and F. N. Owens
J. Anim Sci. 1981 52: 628-634. [Abstract] [PDF]  

Prevention of Induced Lactic Acidosis in Cattle by Thiopeptin

Larry A. Muir, Eric L. Rickes, Paul F. Duquette, and Gary E. Smith
J. Anim Sci. 1981 52: 635-643. [Abstract] [PDF]  

Symposium: 'Cowboys and Courtroom Brawls' 

Grazing Land Resources for Meeting Food and Fiber Needs

Robert S. Rummell
J. Anim Sci. 1981 52: 644-649. [Abstract] [PDF]  

Research and Education Opportunities in Livestock Grazing

Don D. Dwyer
J. Anim Sci. 1981 52: 650-654. [Abstract] [PDF]  

Rangeland Policy Impact on the Animal Industry

Joe Lane
J. Anim Sci. 1981 52: 655-660. [Abstract] [PDF]  

Public Lands and Private Livestock

Russell Shay
J. Anim Sci. 1981 52: 661-663. [Abstract] [PDF]  

Other 

News and Notes

J. Anim Sci. 1981 52: 664-667. [Abstract] [PDF]  

Placement

J. Anim Sci. 1981 52: 668-672. [Abstract] [PDF]  

Memorial — Dwight E. Younkin

J. Anim Sci. 1981 52: 673. [Abstract] [PDF]  

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