Artificial Insemination (AI) Technical Articles

Genetics - Reproduction

Article published the March 22, 2017:

Nutritional Management: Purebred vs. Commercial Cattle

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...
Author/s :
Dr. Steve Blezinger
Statistics:
215 0
Article published the November 11, 2016:

Breeding protocols for heifers

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...
Author/s :
Ray Nebel
Statistics:
464 0
Article published the August 22, 2016:

What should your AI conception rate be?

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...
Author/s :
Ray Nebel
Statistics:
491 4
Article published the July 29, 2013:

Sexed Semen Applications in Dairy Cattle

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...
Author/s :
George E. Seidel
Statistics:
3776 4
Article published the May 9, 2013:

Fundamental Development of Reproduction Management Systems in Dairy Cattle: Insight into Hormonal and Molecular Controls of Embryo Development and Survival

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&...
Author/s :
William Thatcher
Statistics:
561 0
Article published the December 17, 2012:

Handling of Frozen Semen Straws

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...
Author/s :
Ray Nebel
Statistics:
2832 0
Article published the December 10, 2012:

Heat Detection and Timing of Artificial Insemination

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 ...
Author/s :
Ray Nebel
Statistics:
4124 4
Article published the December 6, 2012:

Strategies for Heat Detection and Timing of Artificial Insemination

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...
Author/s :
Ray Nebel
Statistics:
913 4
Article published the August 31, 2012:

Dairy Reproductive Management Using Artificial Insemination

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...
Author/s :
Dr. Michael Looper
Statistics:
2032 8
Article published the July 17, 2012:

Studies on the Freezability of Kundhi Buffalo Bull Semen

INTRODUCTION The livestock sector in Pakistan is still in a developing phase. Despite of remarkable contribution of buffaloes, there is always shortage of scientific information on this animal especially in t...
Author/s :
Khan, Qismatullah
Statistics:
781 0
 
 
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