Articles:

News and Events

J. Dairy Sci. 1981 64: 4-6. [Abstract] [PDF]  

Association Affairs:

Memorial — John L. Barnhart

J. Dairy Sci. 1981 64: 369. [Abstract] [PDF]  

Our Industry Today:

Added Dietary Fat for Milk and Fat Production in Commercial Dairy Herds

A. J. Heinrichs, Thomas E. Noyes, and D. L. Palmquist
J. Dairy Sci. 1981 64: 353-357. [Abstract] [PDF]  

Rates of Conception by Artificial Insemination of Dairy Cattle

F. C. Gwazdauskas, J. A. Lineweaver, and W. E. Vinson
J. Dairy Sci. 1981 64: 358-362. [Abstract] [PDF]  

An Advisory Committee to Review, Evaluate, and Plan Dairy Extension Programs

G. M. Jones and J. M. White
J. Dairy Sci. 1981 64: 363-368. [Abstract] [PDF]  

Research Papers:

ß-Galactosidases of Lactic Acid Bacteria: Characterization by Oligosaccharides Formed During Hydrolysis of Lactose

Takahiro Toba, Yukihiro Tomita, Takatoshi Itoh, and Susumu Adachi
J. Dairy Sci. 1981 64: 185-192. [Abstract] [PDF]  

Factors Affecting Lipase Production in Rhizopus nigricans

Harish Chander, V. K. Batish, D. R. Ghodekar, and R. A. Srinivasan
J. Dairy Sci. 1981 64: 193-196. [Abstract] [PDF]  

Availability of Magnesium from Magnesium Oxide Particles of Differing Sizes and Surfaces

B. W. Jesse, J. W. Thomas, and R. S. Emery
J. Dairy Sci. 1981 64: 197-205. [Abstract] [PDF]  

Nutritional Value of Sainfoin Hay Compared with Alfalfa Hay

R. J. Parker and B. R. Moss
J. Dairy Sci. 1981 64: 206-210. [Abstract] [PDF]  

Effect of Dried Poultry Excreta on Growth, Intake, and Digestion of Corn Stover Silage Diets by Yearling Dairy Heifers

J. E. Keys and L. W Smith
J. Dairy Sci. 1981 64: 211-216. [Abstract] [PDF]  

Vitamin D Metabolites in Plasma of Cows Fed a Prepartum Low-Calcium Diet for Prevention of Parturient Hypocalcemia

H. B. Green, R. L. Horst, D. C. Beitz, and E. T. Littledike
J. Dairy Sci. 1981 64: 217-226. [Abstract] [PDF]  

Endotoxin Induced Migration of Leukocytes from Blood to Milk

W. N. McKenzie, Jr. and R. R. Anderson
J. Dairy Sci. 1981 64: 227-235. [Abstract] [PDF]  

Adrenal Response of the Newborn Calf to Acute Inanition and Colostral Feeding

G. T. Nightengale and G. H. Stott
J. Dairy Sci. 1981 64: 236-240. [Abstract] [PDF]  

California Mastitis Test Guide of Selective Dry Cow Therapy

B. Poutrel and P. Rainard
J. Dairy Sci. 1981 64: 241-248. [Abstract] [PDF]  

Milk Yield and Blood Serum Estrogens and Progesterone in Dairy Heifers

F. R. Allaire, R. K. Bhargava, and W. R. Gomes
J. Dairy Sci. 1981 64: 249-258. [Abstract] [PDF]  

Influences on Progesterone Concentration in Bovine Milk

J. A. Pennington, S. L. Spahr, and J. R. Lodge
J. Dairy Sci. 1981 64: 259-266. [Abstract] [PDF]  

Estrus-Related Odors in Cows: Time of Occurrence

Charles A. Kiddy and Daniel S. Mitchell
J. Dairy Sci. 1981 64: 267-271. [Abstract] [PDF]  

Interrelationships Between Production and Reproductive Diseases in Holstein Cows. Conditional Relationships Between Production and Disease

H. N. Erb, S. W. Martin, N. Ison, and S. Swaminathan
J. Dairy Sci. 1981 64: 272-281. [Abstract] [PDF]  

Interrelationships Between Production and Reproductive Diseases in Holstein Cows. Path Analysis

H. N. Erb, S. W. Martin, N. Ison, and S. Swaminathan
J. Dairy Sci. 1981 64: 282-289. [Abstract] [PDF]  

Influence of Dry Period Diet on Early Postpartum Health, Feed Intake, Milk Production, and Reproductive Efficiency of Holstein Cows

D. G. Johnson and D. E. Otterby
J. Dairy Sci. 1981 64: 290-295. [Abstract] [PDF]  

Periparturient Endocrine Changes of Conceptus and Maternal Units in Jersey Cows Bred for Milk Yield

D. S. Eley, W. W. Thatcher, H. H. Head, R. J. Collier, and C. J. Wilcox
J. Dairy Sci. 1981 64: 296-311. [Abstract] [PDF]  

Periparturient and Postpartum Endocrine Changes of Conceptus and Maternal Units in Jersey Cows Bred for Milk Yield

D. S. Eley, W. W. Thatcher, H. H. Head, R. J. Collier, C. J. Wilcox, and E. P. Call
J. Dairy Sci. 1981 64: 312-320. [Abstract] [PDF]  

Different Lactations for Estimating Genetic Merit of Dairy Cows

R. L. Powell, H. D. Norman, and R. M. Elliott
J. Dairy Sci. 1981 64: 321-330. [Abstract] [PDF]  

Prediction of Son's Modified Contemporary Comparison from Pedigree Information

M. F. Rothschild, L. W. Douglass, and R. L. Powell
J. Dairy Sci. 1981 64: 331-341. [Abstract] [PDF]  

Technical Notes:

Rennet Action on Skim Milk

M. Friedenthal, E. Siimer, and A. Köstner
J. Dairy Sci. 1981 64: 342-345. [Abstract] [PDF]  

Correlation Between Post-Thaw Motility and Acrosomal Integrity of Bovine Sperm

W. E. Berndtson, T. T. Olar, and B. W. Pickett
J. Dairy Sci. 1981 64: 346-349. [Abstract] [PDF]  

Smoothed Age-Season Adjustment Factors for Dairy Goat Lactation Milk and Fat Records

G. R. Wiggans
J. Dairy Sci. 1981 64: 350-352. [Abstract] [PDF]  

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