CONTENTS
Page
GENETICS AND PHYSIOLOGY SECTION
Histological Changes in the Circulatory System Within the Pampiniform Plexus and
Testis of Heat—Stressed Rams ............................ ·. . . 5
Semen Characteristics in the Ram Following Temporary Occlusion of the Blood
I Supply to the Testes .......................,............ 6
Histology of the Reproductive Tract of Southdown Rams Fed the Chlorohydrin
(3-Chloro—1, 2—Propanediol) ................................ 8
M One—Day Vs 14-Day Flushing Effects on Reproduction in Gilts ................ 9
Estrus Synchronization of Gilts Fed Aimax .......................... 10
Effects of Chlormadinone Acetate (Estrostat) on Breeding Efficiency of Beef Heifers .... 11
Effects of PMS Dosages on Bovine Ova Production, Recovery and Fertilization ....... 12
Relationship Between Fertilized Ova and Backfat, Serum Lipid Levels and
Endometrial Fat in Beef Cows ............................... 13
Plasma Amino Acid Patterns and Nitrogen Constituents in Yearling Bulls and Heifers _
with Different Rates of Growth ............................... 14
Phenotypic Response and Time Trends to Date of Birth Selection in Southdown Sheep .... 15
Effects of Population Structure on Response to Selection, Using Tribolium Castaneum . . . 15
Genetic Correlations Between Semen and Growth Traits Measured on Yearling .
Southdown Rams ...................................... 16
The Mode of Inheritance of "White Heifer Disease" ...................... 17
ANIMAL FOODS SECTION
Effect of Dietary Protein and Energy Levels on Carcass and Palatability Characteristics
of Swine .......................................... 19
Properties of Ham and Loin Muscles as Affected by Pork Quality, Cutability and
Anatomical Location .................................... 21
Relationship of Fresh Ham Traits to Cured Ham Quality ................... 23
Effects of Castration on Ovine Neutral Lipid and Phospholipid Deposition .......... 28
Effect of Storage Temperature on Shelf Life of Fresh Pork Sausage ............. 29
Effect of Teat Dip on the Characteristics of Staphylococci Isolated from the A
Bovine Udder ....................................... 30
ANIMAL NUTRITION SECTION
Recycling Animal Waste Through Poultry I. Dried Rumen Residue .............. 32
Recycling Animal Waste Through Poultry II. Dried Poultry Manure ............. 34
Equine Cecal Bacterial Growth as Measured By 358 ......... . ........... 35
Role of the Cecum in Protein Nutrition of the Equine ..................... 35
Studies on Equine Cecal Bacteria ............................... 36
Nutrient Digestion and Indicator Retention Before and After Fistulation in Horses ...... 36
. . Effects of Estimated Net Energy and Protein Content of Feed on Milk Yield and
Composition During the Early Stage of Lactation ..................... 38