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	Topics:		\| Economics \| Genetics \| Health \| Management \| Nutrition \| Reproduction \| Other \|
	Note:		Effective Jan 1, 2004 this newsletter will be electronically published from the Animal Science Dept. in College Station. Dr. Hammack, now retired, will continue editing this newsletter as part of his Emeritus status. To access current and future newsletters click here, then on left-sided menu click Beef Cattle and then click on Beef Cattle Browsing link.
	Dates:

Economics:

Weaned Calf Price, When Is It Highest? - July 03
Carcass Defects - What and How Much? - March 03
Breedtype Formulas and Carcass Defects - March 03
Not Making Enough From Cows? Talk To A Feeder - Jan 03
What Do Bull Buyers Pay For? - Nov 02
Premiums For Preconditioning - Not All The Same - Nov 02
Replacement Heifer Pricing - Aug 02
Avoid Price Discounts - At All Costs? - July 02
Late Breeding - It Does Cost - June 02
Heifer Replacement - Use Dollar Cost Averaging? - June 02
The Importance of Conception Rate - May 02
How Does Age At Puberty Affect Performance and Economics? - April 02
The Cattle Cycle - Where Are We? - April 02
Milk VS. Production and Income - Mar 02
Congressional Action - Mar 02
Selling Open Heifers and Age at Puberty - Feb 02
Muscling of Stocker/Feeders Does Matter - Jan 02
Replacement Heifers - Save, Buy Open, or Buy Bred? - Nov 01
Cow/Calf Profits - Oct 01
Premium-Sale Premiums - Sept 01
Factors Affecting Sale Price of Bulls - July 01
Stockpiled Bermuda and Native Pasture - July 01
Depreciation, Cows Do It Too - May 01
How Muscular Do Cattle Need To Be? - May 01
What Is The Current Consumer Demand for Beef? - April 01
Effect of Waning Age on Production and Profit - April 01
Managing the Cattle Cycle - April 01
Unusual Ways to Lease Land and Bulls - March 01
Premiums For Angus - Feb 01
Management Factors Affecting Calf Price - Oct 00
Using EPD To Compare Sale Bulls - Sept 00
Supplement, Feed, or Sell? - Aug 00
Black Calves, How Much Premium? - June 00
Does Paying More For Feeder Cattle Pay Off? - (Feb 00)
You Can´t Control Price, But You Can Affect It - (Nov 99)
SPA Averages Show What Determines Profit - (May 99)
How Important Are Beef Cattle to the Texas Economy? - (May 99)
Value Added Genetics - (April 99)
Bred Heifers Too High? - (April 99)
Which Phase of Production is Most Profitable? - (March 99)
A Different Price Hedge - (Feb 99)
Where´s The Beef Coming From? - (Jan 99)
Factors Affecting Feeder Price - (Nov 98)
Vertical Integration of Beef Production? - (Sept 98)
Choice Grade, How Important Is It? - (June 98)
Factors Affecting Profit in Cow Herds - (June 98)
Dollar Calves - Can They Last? - (April 98)
Factors in Prices of Central Texas Stocker-Feeder Cattle - (March 98)
Dollar-Cost Averaging For Replacement Heifers - (Feb 98)
Interpreting Cowherd Performance Measures - (Jan 98)
What Factors are Important to Cattle Feeders? - (Sept 97)
What Determines Feedyard Profit? - (Aug 97)
Premiums and Discounts - (June 97)

Genetics:

Comparison of F1 Brahman, Boran, and Tuli Females - Oct 03
Tifton-85 VS. Coastal For 1/2 - And 1/4-Brahman Stockers - Oct 03
Texas Adapted Genetic Strategies Publications - Aug 03
Milk EPD - Does it Work? - June 03
British or Continental? - June 03
A Better Calving-Ease Breed? - May 03
Angus and Charolais - Still Some Differences - April 03
New Publication - April 03
Breedtype Formulas and Carcass Defects - March 03
Body Size VS. Reproduction - Feb 03
Do Older and Higher-Milking Cows Eat More? - Jan 03
Selecting Sires On Carcass Traits - Jan 03
Selection For Reduced Calving Difficulty - Dec 02
Another Breed - Nov 02
What Do Bull Buyers Pay For? - Nov 02
Are You Ready to Clone That Outstanding Individual? - Oct 02
Current EPDs and BIF Guidelines and Proceedings - Oct 02
Effects of Cow Type, Forage Type, and Milk on Calf Gain - Oct 02
Cattle Breeds - How Different Are They? - Sept 02
New Publications - Sept 02
How Have Cattle Changed in 40 Years? - Aug 02
Carcass Traits VS Cow Weight - Aug 02
Selecting for Calving Ease - What Else Happens? - July 02
New Publication - July 02
A New Test For Marbling - July 02
Cattle of the Future - How Big? - May 02
Another New Breed - April 02
Milk VS. Production and Income - Mar 02
Northern Cattle Better? - Feb 02
What Cattle Do Feeders Want? - Jan 02
Composites - What Are They? - Dec 01
Calving Problems, Is It the Calf or the Dam?- Dec 01
Are Cattle Really Being Downsized? - Nov 01
What´s More Important, EPD or Accuracy? - Oct 01
Are "Ears" Out? - Aug 01
Body Characteristics VS. Reproduction - Aug 01
What They Look Like Doesn´t Matter? - Aug 01
Selecting Sires on Marbling EPD - July 01
Factors Affecting Sale Price of Bulls - July 01
How Muscular Do Cattle Need to Be? - May 01
A Simple Test For Marbling? - May 01
Premiums For Angus - Feb 01
Growth VS. Maternal Sires - Jan 01
Effect of Milk EPD on Esturs - Dec 00
Ultrasound Estimates Of Carcass Merit - Oct 00
Are Progeny Of Similar Parents Less Variable? - Oct 00
New USDA Feeder Cattle Grades - Oct 00
Using EPD To Compare Sale Bulls - Sept 00
Angus Genetic Trends - Aug 00
Excessive Brahman? - July 00
Black Calves, How Much Premium? - June 00
Weaning Weight VS. Retained Ownership - June 00
Frame Score VS. Reproduction in Brahmans - May 00
For Uniformity Don´t Crossbreed? - April 00
Scrotal Circumference and Heifer Puberty - Mar 00
A Fertile Double-Muscled Breed - Mar 00
Bigger, Higher Milking Cows - More or Better Nutrition? - Mar 00
Genetic Selection for "Stayability" - (Feb 00)
Cow Herd Genetics - Horse First, Then Cart - (Feb 00)
New Publication on Genetic Management - (Jan 00)
Are We Missing The Real Reason For Terminal Crossing? - (Dec 99)
Breed-Type VS. Postweaning Management - (Dec 99)
Genetic Selection For Feed Efficiency? - (Dec 99)
Relationship Between Marbling, Milk, and Reproduction - (Oct 99)
Symposium on Heifer Development - (Oct 99)
Belgian Blue For Beef Production? - (Sept 99)
Breed-Types In Stockers And Feeders - (Aug 99)
Genetic Selection For Feed Efficiency - (Aug 99)
Milk EPD, Does It Work? - (Aug 99)
"Rat-Tail" in Cattle - (June 99)
Beef Semen Sales - (June 99)
Order IRM Redbooks, New Publication Available - (May 99)
Value Added Genetics - (April 99)
Cow Efficiency - It Depends - (March 99)
Have Breeds Peaked in Body Size? - (March 99)
Brave New World - (Feb 99)
Genetic Resistance To Parasites - (Feb 99)
How Big Are Cows Today? - (Feb 99)
Reproduction VS. Carcass - (Dec 98)
Lower Birthweight But Higher Yearling Weight? - (Sept 98)
New Publication On Breeding Systems - (Aug 98)
What Breeds Will Survive? - (Aug 98)
Does Muscling Affect Fertility? - (July 98)
New Publication on Cattle Types and Breeds - (July 98)
Performance of BOS INDICUS Cows - (June 98)
Selection For Milk Production Using EPD - (Jan 98)
The Purebred Industry - What´s It Really About? - (Dec 97)
Genetic Selection for Calving Ease - (Dec 97)
Body Size and Milk Fact Sheet - (Nov 97)
How Much Weight Should A Cow Wean? - (Oct 97)
Heifer Fertility Depends on Genetics - (Oct 97)
Does Muscling Hurt Reproduction - (Oct 97)
Selecting for Increased Milk Production - (Sept 97)
New Publications Available - (Aug 97)
Comparison of New Tropical Breeds - (July 97)
How Much Have Cattle Breeds Changed? - (June 97)
Trends in Limousin Breeding Cattle at Denver - (April 97)
Factors in Cows Efficiency - (March 97)
Beef Carcass Targets - Breed Effects - (March 97)
How do Wild Cattle Perform? - (Feb 97)
Environmental Effects on Fertilized Eggs of Different Genetics - (Jan 97)
Brahman Genetic Effects on Birthweight - (Jan 97)

Health:

New Product - Aug 03
Ban Antibiotics? - July 03
Electrolytes To Reduce Hauling Stress? - June 03
A "Softer" Vaccine for BRD? - April 03
Modified-Live Vaccine For Pregnant Cows - Feb 03
TB Regulations - Dec 02
Parasites on Pasture - How Long Do They Live? - Aug 02
Health Products - April 02
Congressional Action - Mar 02
Another Tool in the Battle Against E. Coli - Feb 02
BSE Transmission and Detection - Dec 01
Clostridial Vaccination - Nov 01
Monensin and Bloat - Sept 01
A "New" Penicillin - May 01
Seaweed - Another Miracel Feed Ingredient? - Jan 01
Products for Managing Pests of Cattle - Jan 01
Effect of Calving Difficulty on Immunity - Dec 00
Is Brucellosis Really About Whipped? - Dec 00
Vaccines For Value Added Calf Programs - Sept 00
Strategic Deworming - Aug 00
Insecticide Ear Tags - July 00
New Products - June 00
New (And Almost New) Products - April 00
Deworming Replacement Heifers - Mar 00
Effects of Medication on Stocker/Feeder - (Feb 00)
Wormers For Stocker Calves - (Jan 00)
New Veterinary Publication - (Nov 99)
New Products - (April 99)
Bolus, Injectable, Or Pour-On For Worms? - (March 99)
Genetic Resistance To Parasites - (Feb 99)
New Products And Publications - (Feb 99)
New Vaccine - (Jan 99)
New Vaccine - (Dec 98)
New Vaccines - (Sept 98)
New Parasite Control Product Name - (Aug 98)
New Products - (May 98)
New Parasite Control Product - (March 98)
Effects of Feeding MGA and Chlortetracycline on Reproduction - (Feb 98)
New Products - (Feb 98)
New Marketing Disbributor For Ivermectin - (Dec 97)
Antibiotics and Mastitis in Beef Cows - (Nov 97)
Vitamin E to Cows As A Scour Preventative - (Oct 97)
New Ivomec Product - (Sept 97)
Backgrounding and Health Programs - Do They Pay? - (May 97)

Management:

How Repeatable Is Weaning Weight? - July 03
Weaned Calf Price, When Is It Highest? - July 03
Electrolytes To Reduce Hauling Stress? - June 03
Do Calf-Feds Grade Lower? - May 03
Liquid Feeding Methods - Comsumption and Response - March 03
What Hay Feeder is Best? - Feb 03
Choosing Vaccine Needles - Feb 03
Effects of Early Weaning - Dec 02
Computer Record-Keeping Software - Nov 02
Feed Or Grow And Feed - Oct 02
Castrate Early or Delay? - Oct 02
Fenceline Weaning - Sept 02
Northern Cattle Better? - Feb 02
Inital Weight Loss of Grazing Calves - Sept 01
New Pucliations In The "Range Detect" Series - Aug 01
Rotational VS. Constant Grazing - July 01
Hay Feeder Design VS. Cow Behavior - July 01
Stockpiled Bermuda and Native Pasture - July 01
New Publications - June 01
Effect of Waning Age on Production and Profit - April 01
Managing the Cattle Cycle - April 01
Does Gathering Calves Reduce Weight? - March 01
Calf Feed, Short Graze, or Long Graze? - March 01
New Calving Season Publication - Feb 01
What Is The Condition Of The Cows Up There? - Dec 00
Management Factors Affecting Calf Price - Oct 00
Vaccines For Value Added Calf Programs - Sept 00
Fence-Line Weaning - June 00
Weaning Weight VS. Retained Ownership - June 00
Why Are Cows Culled? - May 00
Traniners For New Calves - May 00
The Cow/Calf Industry in 2010? - May 00
Does Paying More For Feeder Cattle Pay Off? - (Feb 00)
"Cowless" Beef Production? - (Jan 00)
Effect Of Calving Season And Weaning Age On Profit - (Jan 00)
Cow-Calf Producers: Primary Income VS. Non-Primary - (Sept 99)
Early Weaning - (April 99)
1999 IRM Redbooks Available - (Dec 98)
Feeding Hay To Prevent E. Coli? - (Dec 98)
´Trainer´ Cows For Starting Calves of Feed - (Nov 98)
Beef Herd Management Practices - (July 98)
Drouth Culling Strategies - (July 98)
Early Weaning - (May 98)
New Extension Publications - (May 98)
New Products - (May 98)
Regional Implementation of Improved Management - (Feb 98)
Interpreting Cowherd Performance Measures - (Jan 98)
How to Increase Returns by $10 - (July 97)
Some Things Never Change - (May 97)
Injection Site Update - (March 97)
Electronic Identification - (March 97)
Restoring Damaged Rangeland - Graze or Not? - (Feb 97)

Nutrition:

Grazing Hybrid Forage Sorghums - Oct 03
Tifton-85 VS. Coastal For 1/2 - And 1/4-Brahman Stockers - Oct 03
New Muscle Builder For Cattle - July 03
Gestation Effects of Forage Consumption - May 03
Liquid Feeding Methods - Comsumption and Response - March 03
Winter Pasture For Cow Supplementation - Feb 03
Do Older and Higher-Milking Cows Eat More? - Jan 03
Analyze Forage or Feces - Jan 03
Residual Feed Intake - Dec 02
Effects of Cow Type, Forage Type, and Milk on Calf Gain - Oct 02
Protein Supplementation - How Often? - Mar 02
Pre-Partum Heifer Nutrition, Constant or Variable? - Feb 02
Effects of Liquid Feed On Cow/Calf Performance - Nov 01
Protein Intake on Limit-Grazed Winter Pasture - Oct 01
When Do Fed Cattle Marble? - Oct 01
Monensin and Bloat - Sept 01
Initial Weight Loss of Grazing Calves - Sept 01
Body Characteristics VS. Reproduction - Aug 01
Rotational VS. Constant Grazing - July 01
Protein Source For First-Calf Heifers - March 01
Seaweed - Another Miracel Feed Ingredient? - Jan 01
Small-Grain Pasture As A Supplement For Cows - Nov 00
Implanting Stockers - Nov 00
Corn Products For Maintaining Cows - Sept 00
Supplement, Feed, or Sell? - Aug 00
Effects of Rate of Heifer Gain - July 00
Forage Use By Heifers VS. Cows - June 00
New Supplemental Beeding Publication - May 00
Two Implants For Suckling Calves - April 00
"Flushing" First-Calf Heifers - April 00
Bigger, Higher Milking Cows - More or Better Nutrition? - Mar 00
Frequency of Supplemental Feeding - (Nov 99)
Symposium on Heifer Development - (Oct 99)
Body Condition and Reproduction - (Oct 99)
Organic Minerals For Cows - (Sept 99)
Tifton 85 Bermudagrass For Grazing Cows - (Sept 99)
Minerals in Bermudagrass and Native Range - (Aug 99)
Effect of Worming and Ionophore on Heifer Puberty - (June 99)
"Stair-Step" Nutrition For Developing Beef Heifers - (May 99)
Effect of Two Implants on Winter-Pastured Stocker - (May 99)
Does Implanting Affect Subsequent Gain? - (Jan 99)
Feeding Corn to Cows - (Nov 98)
Body Condition and Reproduction in First-Calf Heifers - (Aug 98)
Growth Implants For Heifers - (June 98)
Do Fluctuations in Weight Affect Nutritional Efficiency? - (May 98)
Body Condition Of Heifer At Calving VS Rebreeding Intervals - (April 98)
Nutritional Supplementation Publication - (March 98)
Growth Implants for Suckling and Stocker Cattle - (March 98)
New Products - (Feb 98)
Effect of Lasalocid on Cow Performance - (Jan 98)
Effect of Changes in Body Condition of Cow Performance - (Dec 97)
Comparison of Implants for Gazing Steers - (Nov 97)
Effects of Dietary Energy on Bull Reproductive Ability - (Nov 97)
Effects of Dietary Fats on Reproduction - (Sept 97)
Revalor - G Clarification - (July 97)
Does the Time of Day You Cut Hay Affect Quality? - (July 97)
Effects of Dietary Energy on Reproduction - (June 97)
Consumption of Different Forms of Cattle Supplements - (May 97)
Current Availability of Growth Implants - (April 97)
Ionophores for Heifer Development - (April 97)
Body Condition and Performance in Beef Cows - (Feb 97)
Wormers and Ionophores for Developing Heifers - (Feb 97)
Growth and Reproduction of Implanted Heifers - (Oct 96)
Effects of Body Condition on Reproduction - (Oct 96)
Vitamin E to Cows As A Scour Preventative - (Oct 96)

Reproduction:

Scrotal Circumference and Sexual Maturity - July 03
Beef Cows Herds - How Many And Who Has Them? - March 03
Body Size VS. Reproduction - Feb 03
New Product for Reproductive Control - Nov 02
Late Breeding - It Does Cost - June 02
Sexed Semen - Are We Getting Closer? - May 02
The Importance of Conception Rate - May 02
How Does Age At Puberty Affect Performance and Economics? - April 02
Selling Open Heifers and Age at Puberty - Feb 02
Scrotal Circumference and Heifer Pregnancy - Jan 02
Calving Problems, Is It the Calf or the Dam? - Dec 01
Conception Rates With Sex-Sorted Semen - Sept 01
Rate Of Gain VS. Reproduction in Young Bulls - June 01
Protein Source for First-Calf Heifers - March 01
New Calving Season Publication - Feb 01
Effect Of Temperature On Birth Weight - Feb 01
Fecal Exam To Detect Pregnancy?
Effect of Milk EPD on Esturs - Dec 00
Frame Score VS. Reproduction in Brahmans - May 00
"Flushing" First-Calf Heifers - April 00
A Fertile Double-Muscled Breed - Mar 00
Scrotal Circumference and Heifer Puberty - Mar 00
"Cowless" Beef Prouction? - (Jan 00)
Relationship Between Scrotal Circumference and Pregnancy - (Nov 99)
Body Condition and Reproduction - (Oct 99)
Organic Minerals For Cows - (Sept 99)
Effect of Worming and Ionophore on Heifer Puberty - (June 99)
Beef Semen Sales - (June 99)
"Stair-Step" Nurtition For Developing Beef Heifers - (May 99)
Body Size VS. Puberty - (Dec 98)
Reproduction VS. Carcass - (Dec 98)
Body Condition Loss: Effects on Estrus - (Nov 98)
Summer Calving? - (Sept 98)
Body Condition and Reproduction in First-Calf Heifers - (Aug 98)
Does Muscling Affect Fertility? - (July 98)
Growth Implants For Heifers - (June 98)
Body Condition Of Heifer At Calving VS Rebreeding Intervals - (April 98)
Factors Affecting Calving Difficulty in Heifers - (April 98)
Effects of Feeding MGA and Chlortetracycline on Reproduction - (Feb 98)
Genetic Selection for Calving Ease - (Dec 97)
Effect of Changes in Body Condition of Cow Performance - (Dec 97)
Does Muscling Hurt Reproduction - (Oct 97)
Heifer Fertility Depends on Genetics - (Oct 97)
Effects of Dietary Fats on Reproduction - (Sept 97)
Factors Affecting Calving Difficulty and Rebreeding - (Aug 97)
Effects of Dietary Energy on Reproduction - (June 97)
Body Condition and Performance in Beef Cows - (Feb 97)
Synchronizing Heat with MGA and Prostaglandin - (Jan 97)
Environmental Effects on Fertilized Eggs of Different Genetics - (Jan 97)
Factors Affecting Calving Difficulty and Rebreeding of Heifers - (Jan 97)
Relationship of Male Scrotal Circumference and Female Reproduction - (Oct 96)
Effects of Body Condition on Reproduction - (Oct 96)
Growth and Reproduction of Implanted Heifers - (Oct 96)

Other:

Retiring? Yes, and No - Aug 03
The Environment, It Is Crucial - Aug 03
National Animal Identification - Aug 03
McDonald´s and Antibiotics - June 03
Cool Continues to Heat Up - May 03
More Weight = More Dollars, But How Much More? - April 03
Feed Efficiency VS. Feeding Behavior - April 03
Carcass Defects - What and How Much? - March 03
Comsumption of Meat, Poultry, and Seafood - Dec 02
Country Of Origin - Sept 02
Targets, Battles, and Wars - Aug 02
New Publication - July 02
Where´s The Beef? - June 02
Carcass Maturity vs. Teeth - June 02
Beef Check-Off Ruled Out - June 02
Notes From The Animal Welfare Front - May 02
Spinach - Flavored Meat? - Mar 02
Global Warming - Maybe, Maybe Not - Jan 02
2002 NCBA/IRM Redbooks Still Available - Dec 01
Beef and Cholesterol - June 01
Marbling - How Important Is It? - June 01
Where Does This Stuff Come From? - June 01
Bad Ways to Make The News - April 01
IRM Pocket Reference Available - Feb 01
High-Yield Conservation - Jan 01
Source-Verified Or Process-Verified? - Nov 00
Some Things Never Change, And Are Still Good Ideas - Nov 00
New USDA Feeder Cattle Grades - Oct 00
Beef Quality Assurance - What Is It? - Sept 00
And Genes Are Bad For You, Right? - Aug 00
Texas A&M Ranch To Rail - Aug 00
Carcass Grade and Consumer Preference - July 00
Redbooks Available - (Dec 99)
Feeder Cattle Grade Revision? - (Oct 99)
Ranch to Rail Scheduled - (June 99)
Order IRM Redbooks, New Publication Available - (May 99)
Houston Show Data - (April 99)
U.S. Cattle Population - What´s In It? - (April 99)
Safety First, Revisited - (March 99)
Safety First - (Jan 99)
Do We Need USDA Grades? - (Jan 99)
"Some Things Never Change" Department - (May 98)
LMA Wants Beef Checkoff Vote - (April 98)
Houston Livestock Show Junior Beef Cattle Confirmations - (Jan 98)


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