Breeding and Genetics 

Breed, Heterosis and Environmental Influences on Growth and Puberty in Ewe Lambs

Gordon E. Dickerson and Danny B. Lasted
J. Anim Sci. 1975 41: 1-9. [Abstract] [PDF]  

Lamb Performance and Combining Ability of Columbia, Suffolk and Targhee Breeds of Sheep

Raj Rastogi, W. J. Boylan, W. E. Rempel, and H. F. Windels
J. Anim Sci. 1975 41: 10-15. [Abstract] [PDF]  

Phenotypic Relationships within Angus and Hereford Females. I. Heifer Growth and Subsequent Cow Productivity

Andrew C. Boston, J. V. Whiteman, and R. R. Frahm
J. Anim Sci. 1975 41: 16-22. [Abstract] [PDF]  

Phenotypic Relationships within Angus and Hereford Females. II. Repeatabilities of Progeny Weaning Weights

Andrew C. Boston, J. V. Whiteman, and R. R. Frahm
J. Anim Sci. 1975 41: 23-32. [Abstract] [PDF]  

Selection for Increased Preweaning and Postweaning Weight Gain in Mice

R. R. Frahm and M. A. Brown
J. Anim Sci. 1975 41: 33-42. [Abstract] [PDF]  

Genetic Resources for Efficient Meat Production in Sheep: Preweaning Viability and Growth of Finnsheep and Domestic Crossbred Lambs

G. E. Dickerson, H. A. Glimp, and K. E. Gregory
J. Anim Sci. 1975 41: 43-53. [Abstract] [PDF]  

Meat Science and Muscle Biology 

Factors Affecting Desirability of Bacon and Commercially-Processed Pork Bellies

G. C. Smith, R. L. West, and Z. L. Carpenter
J. Anim Sci. 1975 41: 54-65. [Abstract] [PDF]  

Factors Affecting Porcine Muscle Fiber Type, Diameter and Number

L. R. Miller, V. A. Garwood, and M. D. Judge
J. Anim Sci. 1975 41: 66-77. [Abstract] [PDF]  

Morphology and Development of Endomysial Connective Tissue in Porcine and Bovine Muscle

H. J. Swatland
J. Anim Sci. 1975 41: 78-86. [Abstract] [PDF]  

Relationships between Performance Traits and Certain Biological Properties of Testicular Tissue in Swine

Roy N. Sharp, Paul R. Noland, and Zelpha B. Johnson
J. Anim Sci. 1975 41: 87-93. [Abstract] [PDF]  

Monogastric Nutrition 

Roughages in Swine Gestation Diets

David M. Danielson and John J. Noonan
J. Anim Sci. 1975 41: 94-99. [Abstract] [PDF]  

Effects of Pregnant Mare Serum and Chlortetracycline on the Reproductive Efficiency of Sows

J. A. Soma and V. C. Speer
J. Anim Sci. 1975 41: 100-105. [Abstract] [PDF]  

Distribution in Piglets after Administration of ¹⁴ C-L-Proline as Studied by Whole Body Autoradiography and Impulse Counting

S. G. Bengtsson and R. V. J. Hakkarainen
J. Anim Sci. 1975 41: 106-112. [Abstract] [PDF]  

Physiology and Endocrinology 

Plasma Cortisol and Total Progestin Levels in Holstein Steers during Acute Exposure to High Environmental Temperature (42 C) Conditions

T. A. Abilay, R. Mitra, and H. D. Johnson
J. Anim Sci. 1975 41: 113-117. [Abstract] [PDF]  

Mammary Gland Growth in Sheep

R. R. Anderson
J. Anim Sci. 1975 41: 118-123. [Abstract] [PDF]  

Serum Thyroxine Concentration in Sows Housed in a Subtropical Area

Walter Chia-Mo Wan, Sun-Chang Wung, Pi-Hsueh Li, Chao-Tung Tai, Yo-Hai Kou, and Fuh-Kiang Koh
J. Anim Sci. 1975 41: 124-128. [Abstract] [PDF]  

Effect of Rates of Freezing, Thawing and Level of Glycerol on the Survival of Bovine Spermatozoa in Straws

O. L. Rodriguez, W. E. Berndtson, B. D. Ennen, and B. W. Pickett
J. Anim Sci. 1975 41: 129-136. [Abstract] [PDF]  

Effect of Antibacterial Agents on the Motility of Stallion Spermatozoa at Various Storage Times, Temperatures and Dilution Ratios

D. G. Back, B. W. Pickett, J. L. Voss, and G. E. Seidel, Jr.
J. Anim Sci. 1975 41: 137-143. [Abstract] [PDF]  

Prostaglandins F in Uterine Tissue and Venous Plasma of Ewes with Intrauterine Devices

J. E. Pexton, S. P. Ford, Laird Wilson, Jr., R. L. Butcher, and E. K. Inskeep
J. Anim Sci. 1975 41: 144-153. [Abstract] [PDF]  

Prostaglandins F in Uterine Venous Plasma, Ovarian Arterial and Venous Plasma and in Ovarian and Luteal Tissue of Pregnant and Nonpregnant Ewes

J. E. Pexton, C. W. Weems, and E. K. Inskeep
J. Anim Sci. 1975 41: 154-159. [Abstract] [PDF]  

Serum LH and Testosterone and Sperm Numbers in Pubertal Bulls Chronically Treated with Gonadotropin Releasing Hormone

K. Mongkonpunya, H. D. Hafs, E. M. Convey, and H. A. Tucker
J. Anim Sci. 1975 41: 160-165. [Abstract] [PDF]  

Effect of Prostaglandin F₂ on the Estrous Cycle, Corpora Lutea and Progesterone Levels of Hysterectomized Cows

V. A. La Voie, G. R. Poncelet, D. K. Han, C. L. Soliday, P. W. Lambert, and E. L. Moody
J. Anim Sci. 1975 41: 166-171. [Abstract] [PDF]  

Dose-Response Influence of Prostaglandin E₁ and Somatostatin on Plasma Levels of Growth Hormone, Prolactin and Thyrotropin in Sheep

S. L. Davis and M. Anfinson
J. Anim Sci. 1975 41: 172-177. [Abstract] [PDF]  

Ruminant Nutrition 

Neutron Activation Analysis of Dysprosium (A Potential Inert Marker) in Hay and Feces

Melvin C. Young, F. Eric Haskin, Morton E. Wacks, Brent Theurer, and Phil R. Ogden
J. Anim Sci. 1975 41: 178-184. [Abstract] [PDF]  

Cell-Wall Fractions and In Vitro Digestibility of Peruvian Feedstuffs

William L. Johnson and Danilo Pezo
J. Anim Sci. 1975 41: 185-197. [Abstract] [PDF]  

Serum Magnesium Levels of Ewes Grazing Orchardgrass Topdressed with Dolomite or Calcite

R. L. Amos, G. J. Crissman, R. F. Keefer, and D. J. Horvath
J. Anim Sci. 1975 41: 198-202. [Abstract] [PDF]  

Influence of Breeds of Beef Cattle on Ration Utilization

R. L. Moore, H. W. Essig, and L. J. Smithson
J. Anim Sci. 1975 41: 203-207. [Abstract] [PDF]  

Seasonal Trends in Nutrients and Cattle Digestibility of Forage on Pine-Wiregrass Range

C. E. Lewis, R. S. Lowrey, W. G. Monson, and F. E. Knox
J. Anim Sci. 1975 41: 208-212. [Abstract] [PDF]  

Electronic Transducer for Rumination Research

S. E. Law and E. M. Sudweeks
J. Anim Sci. 1975 41: 213-218. [Abstract] [PDF]  

Effects of Concentrate Type and Level and Forage Type on Chewing Time of Steers

E. M. Sudweeks, M. E. McCullough, L. R. Sisk, and S. E. Law
J. Anim Sci. 1975 41: 219-224. [Abstract] [PDF]  

Appetite and Insulin-Metabolite Harmony in Portal Blood of Sheep Fed High or Low Roughage Diet with or without Intraruminal Infusion of VFA

A. N. Bhattacharya and M. Alulu
J. Anim Sci. 1975 41: 225-233. [Abstract] [PDF]  

Teaching 

The Special Project Approach to Teaching Animal Science Courses

D. M. Schaefer and R. G. Kauffman
J. Anim Sci. 1975 41: 234-237. [Abstract] [PDF]  

Other 

Abstracts of Papers for Presentation at the 67Th Annual Meeting of the American Society of Animal Science: Coloardo State University Fort Collins, Colorado July 27–30, 1975

J. Anim Sci. 1975 41: 238-430. [PDF]  

Abstracts of Papers to be Presented at the Joint Meetings of the Northeast Section, American Society of Animal Science and the Northeast Division, American Dairy Science Association: July 13 to 15, 1975 Orono, Maine

J. Anim Sci. 1975 41: 431-439. [PDF]  

Committee Reports

J. Anim Sci. 1975 41: 440-453. [Abstract] [PDF]  

Reports from Representatives of the Society

J. Anim Sci. 1975 41: 454-459. [Abstract] [PDF]  

American Registry of Certified Animal Scientists (ARCAS): Effective July 1, 1975

J. Anim Sci. 1975 41: 460-487. [Abstract] [PDF]  

Southern Section A.S.A.S.: Distinguished Service Award

J. Anim Sci. 1975 41: 488. [Abstract] [PDF]  

Placement

J. Anim Sci. 1975 41: 489-491. [Abstract] [PDF]  

News and Notes

J. Anim Sci. 1975 41: 492. [Abstract] [PDF]  

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