Direct Comparison of Natural Service vs. Timed Artificial Insemination
Despite the considerable advantages of artificial insemination (AI), a significant number of dairy producers use natural service (NS) for their breeding program. This article was created by Fabio Lima, Marie–Joelle Thatcher and Carlos A. Risco1and of...

Genomics, Phenomics Research Paves the Way for Improved Animal Health and Productivity
By Laura McGinnis, Sharon Durham, Ann Perry, Jan Suszkiw, Alfredo Flores and Don Comis, Agricultural Research Service Information Staff. The Agricultural Research Service’s genomics and phenomics research is laying the foundation for future livestock...

Designing Vaccination Programs
By Victor Cortese, D.V.M., Ph.D., Dip. ABVP Pfizer Animal Health - In order to scientifically choose a vaccine or design a particular vaccination program, it is necessary to consider many variables.

Some Feeding Tips For Tough Times
By Janette Richards, Acting Beef Feedlot Specialist, OMAFRA. - Cattle feeding costs are high. Since feed costs can account for 80% of the variable cost of production (about 60% of the total costs), any changes to ration cost can have a huge impact on...

Sexed Semen: Is It Finally a Reality?
Most of us have heard the rumor that sexed semen is “just around the corner” for as long as we have been aware of A.I., writes David Thorbahn, Select Sires Inc., University of Florida IFAS, Dairy Extension.

A.I. Technology is Changing Rapidly!! (Molecular Genetics and Sexed Semen)
David Thorbahn, Select Sires, Inc., explains where the practise of artificial insemination is heading in the future. His essay, taken from the proceedings 45th Florida Dairy Production Conference, was published by the University of Florida, IFAS Exte...

Surface Irrigation Systems for Treating Milk House Wastewater
By Kevin A. Janni, Professor and Extension Engineer, University of Minnesota, Dairy Extension. Surface irrigation was one of four types of milk house wastewater treatment systems designed, installed and monitored on Minnesota dairy farms as part of two...

June Milk Rises Only 1.2%
By Robert Tigner, Iowa Farm Outlook. Iowa State University Extension. A weak increase in milk per cow, up only 16 pounds, led to another small monthly milk production increase, +1.2%, during June compared to one year ago.

Combating Chilled Calf Syndrome
By Tom Hamilton, Beef Program Lead, Production Systems/OMAFRA. How was your calving season? It's the most exciting time of the year on most Ontario beef cow-calf farms!

Natural Service versus Estrous Synchronization and AI
By Ryon S. Walker, Regional Extension Educator, University Of Minnesota Beef Team. This time of year producers are planning their summer breeding season schedules.

Comparative AI in pigs and cattle
By Stuart Revell - Senior Veterinary Surgeon (Research) Genus/ABS. When studying comparative reproduction in farmed mammals, they don’t come much more different than cattle and pigs.

Replacement heifers - Keep feed on track for next year's breeding season
By Ryon S. Walker, University of Minnesota Beef Team - What are your heifers currently weighing? How many pounds/day are your heifers gaining? What is the quality of winter feed your replacement heifers are receiving? Do you feed your replacement heifers...

UK Cattle Disease Quarterly Surveillance Report (to September 2006)
By Veterinary Laboratories Agency - This report monitors trends in the major endemic cattle diseases. The report is compiled using disease data gathered by the network of VLA Regional Laboratories.

Effect of bale processing on particle size
By the Alberta Agriculture, Food and Rural Development - Round bale processors are commonly used for feeding beef cattle over winter. Feeds with a higher proportion of fines after processing may be more susceptible to higher dry matter and nutrient losses...

Health and Meat Animal Production
By the USDA's Agricultural Research Service - An ounce of prevention is worth a pound of cure—particularly when it comes to medicine.