Artificial Insemination (AI) Technical Articles
Article published the July 21, 2020:
The summer heat stress is one of the largest causes of economic losses to dairy farms in the world. In particularly hot regions, a drop of more than 1,500 liters par lactation from cow’s potential is repo...
Article published the March 22, 2017:
In the beef cattle industry, there has been discussion in many shapes and forms concerning feeding and nutrition of purebred cattle. Often the perception by purebred breeders is that purebred cattle (PB) have s...
Article published the November 11, 2016:
Artificial insemination is a powerful tool for genetic improvement that enhances the value of bred heifers. A longer duration of estrus and more mounting activity makes the detection of estrus in heifers easier...
Article published the August 22, 2016:
During the past 50 years that AI has been practiced in the U.S. the fertility of virgin heifers has remained relatively constant at approximately 65% first service conception; whereas, the first service concept...
Article published the July 29, 2013:
Semen of most mammalian species can be sexed with greater than 90% accuracy with an instrument called a flow cytometer/cell sorter. Unfortunately, the process is slow relative to the number of sperm in a typica...
Article published the May 9, 2013:
Optimized systems for timed artificial insemination (TAI; Pregnancy per AI of 40 to 50%) entail controlling the period of follicle dominance, need to sustain progesterone exposure throughout the&...
Article published the December 17, 2012:
Proper semen handling is essential to maintain optimum reproductive performance of your AI breeding program. To maintain the high quality of semen you purchased from your Select Sires representative, you must p...
Article published the December 10, 2012:
INTRODUCTION
Detection of estrus (heat) is often cited as the most costly component and undoubtedly, the major limiting factor to the success of A.I. programs on many dairy farms. Incorrect detection of ...
Article published the December 6, 2012:
The bottom line when measuring reproductive performance of a dairy herd is days open/calving interval. Three major components of days open are:
Heat detection efficiency.
Conception rate.
Days to first ser...
Article published the August 31, 2012:
Introduction
Reproductive efficiency of the dairy herd is important to the economic success of the dairy operation. One of the most important reproductive technologies implemented by the dairy industry is art...