Breeding and Genetics 

Genetic Parameters of German Landrace Pigs Estimated from Different Relationships

D. K. Flock
J. Anim Sci. 1970 30: 839-843. [Abstract] [PDF]  

Selection for Low Backfat Thickness in Swine

J. M. Berruecos, E. U. Dillard, and O. W. Robison
J. Anim Sci. 1970 30: 844-848. [Abstract] [PDF]  

Efficiency of Animal Production—Molding the Biological Components

Gordon Dickerson
J. Anim Sci. 1970 30: 849-859. [Abstract] [PDF]  

Breeding for Efficiency in Livestock Production: Defining the Economic Objectives

Dewey L. Harris
J. Anim Sci. 1970 30: 860-865. [Abstract] [PDF]  

Meat Science 

Pork Carcass Muscling: Fat, Lean and Bone Ratios

H. Russell Cross, J. W. Carpenter, and A. Z. Palmer
J. Anim Sci. 1970 30: 866-871. [Abstract] [PDF]  

Prediction of Weight and Percent Retail Cuts of Beef Using Five Carcass Measurements

R. J. Epley, H. B. Hedrick, W. C. Stringer, and D. P. Hutcheson
J. Anim Sci. 1970 30: 872-879. [Abstract] [PDF]  

Lipid and Lipid Fractions of Blood and Muscle as Related to Beef Carcass Characteristics

H. W. Miller and O. Sanchez
J. Anim Sci. 1970 30: 880-883. [Abstract] [PDF]  

Microbial Level of Pork Skin as Affected by the Dressing Process

T. R. Dockerty, H. W. Ockerman, V. R. Cahill, L. E. Kunkle, and H. H. Weiser
J. Anim Sci. 1970 30: 884-890. [Abstract] [PDF]  

Total Number of Fibers in Muscles of Several Strains of Mice

A. R. Luff and G. Goldspink
J. Anim Sci. 1970 30: 891-893. [Abstract] [PDF]  

Nonruminant Nutrition 

Influence of Dietary Supplements of Cholesterol and Vitamin D on Certain Components of the Blood and Body of Growing-Finishing Swine

M. H. Jurgens and E. R. Peo, Jr.
J. Anim Sci. 1970 30: 894-903. [Abstract] [PDF]  

Influence of Dietary Supplements of Vitamin D₃ and Various Fats on Cholesterol and Fatty Acid Composition of the Blood and Body of Growing-Finishing Swine

M. H. Jurgens, E. R. Peo, Jr., P. E. Vipperman, Jr., and R. W. Mandigo
J. Anim Sci. 1970 30: 904-910. [Abstract] [PDF]  

Effect of Dietary Particle Size on Lesion Development and on the Contents of Various Regions of the Swine Stomach

C. V. Maxwell, E. M. Reimann, W. G. Hoekstra, T. Kowalczyk, N. J. Benevenga, and R. H. Grummer
J. Anim Sci. 1970 30: 911-922. [Abstract] [PDF]  

Effects of Dietary Copper Sulfate and Protein on the Fatty Acid Composition of Porcine Fat

J. I. Elliot and J. P. Bowland
J. Anim Sci. 1970 30: 923-930. [Abstract] [PDF]  

Paired Feeding and Metabolism Trials Comparing Barrows with Gilts

D. W. Friend and T. M. MacIntyre
J. Anim Sci. 1970 30: 931-934. [Abstract] [PDF]  

Physiology and Endocrinology 

Function of the Corpus Luteum in the Ewe following Relocation of the Uterus or Embryo

G. D. Niswender, P. J. Dziuk, Jean Graber, and C. C. Kaltenbach
J. Anim Sci. 1970 30: 935-940. [Abstract] [PDF]  

Renal Clearances in Vitamin A-Deficient Ewes

K. E. Webb, Jr., G. E. Mitchell, Jr., and C. O. Little
J. Anim Sci. 1970 30: 941-943. [Abstract] [PDF]  

Enzyme Activities of Ruminant Digestive Tract Epithelial Tissue

P. D. Whanger and D. C. Church
J. Anim Sci. 1970 30: 944-948. [Abstract] [PDF]  

Factors Influencing Preputial Prolapse in Yearling Bulls

F. Lagos and H. A. Fitzhugh, Jr.
J. Anim Sci. 1970 30: 949-952. [Abstract] [PDF]  

Dimethyl Sulfoxide as a Cryoprotective Agent for Freezing Bovine Semen

W. H. Snedeker and W. S. Gaunya
J. Anim Sci. 1970 30: 953-956. [Abstract] [PDF]  

Effect of Progestins on Lactation in the Ewe

L. W. Smith and E. K. Inskeep
J. Anim Sci. 1970 30: 957-959. [Abstract] [PDF]  

Influence of Programmed Circadian Temperature Changes on the Reproductive Performance of Rabbits Acclimated to Two Different Temperatures

T. D. Rich and C. W. Alliston
J. Anim Sci. 1970 30: 960-965. [Abstract] [PDF]  

Influence of Programmed Circadian Temperature Changes on the Reproductive Performance of Ewes

T. D. Rich and C. W. Alliston
J. Anim Sci. 1970 30: 966-969. [Abstract] [PDF]  

Influence of Delayed Castration and of Diethylstilbestrol Implantation on the Performance of Suckling Lambs

R. H. Simms, T. W. Perry, and F. N. Andrews
J. Anim Sci. 1970 30: 970-973. [Abstract] [PDF]  

Age at Puberty in Fall-Born Ewe Lambs

E. L. Wiggins, W. W. Miller, III, and H. B. Barker
J. Anim Sci. 1970 30: 974-977. [Abstract] [PDF]  

Limitation of Fetus Number in the Rat, Mouse and Rabbit

A. D. Johnson
J. Anim Sci. 1970 30: 978-983. [Abstract] [PDF]  

Ruminant Nutrition 

Utilization of Corn Silage Carotene as Compared to Pelleted Alfalfa Hay Carotene by Holstein Steers

R. W. Miller, R. W. Hemken, D. R. Waldo, and L. A. Moore
J. Anim Sci. 1970 30: 984-987. [Abstract] [PDF]  

Nitrogen Metabolism in the Rumen: Microorganisms as a Source of Protein for the Ruminant Animal

D. B. Purser
J. Anim Sci. 1970 30: 988-1001. [Abstract] [PDF]  

Effect of Ammonium Salts on the Production of Ovine Urinary Calculi

H. R. Crookshank
J. Anim Sci. 1970 30: 1002-1004. [Abstract] [PDF]  

An in vitro Technique for Estimating Digestibility of Treated and Untreated Wood

R. W. Mellenberger, L. D. Satter, M. A. Millett, and A. J. Baker
J. Anim Sci. 1970 30: 1005-1011. [Abstract] [PDF]  

Estimation of Critical Plasma and Liver Vitamin a Levels in Feedlot Cattle with Observations upon Influences of Body Stores and Daily Dietary Requirements

R. H. Kohlmeier and Wise Burroughs
J. Anim Sci. 1970 30: 1012-1018. [Abstract] [PDF]  

Comparative Energy Use in Bulls and Steers

J. B. Bidart, R. M. Koch, and V. H. Arthaud
J. Anim Sci. 1970 30: 1019-1022. [Abstract] [PDF]  

Effect of Diet and Ambient Temperature-Humidity on Ruminal pH, Oxidation Reduction Potential, Ammonia and Lactic Acid in Lactating Cows

M. Mishra, F. A. Martz, R. W. Stanley, H. D. Johnson, J. R. Campbell, and E. Hilderbrand
J. Anim Sci. 1970 30: 1023-1028. [Abstract] [PDF]  

Other 

Abstracts of Papers to be Presented at the Meeting of the Western Section, A.S.A.S., July 12–14, Logan, Utah

J. Anim Sci. 1970 30: 1029-1045. [PDF]  

News and Notes

J. Anim Sci. 1970 30: 1046-1047. [Abstract] [PDF]  

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