Limitations
-
Trained personnel are required for semen collection and processing.
-
If selection and screening of bulls are not properly carried out genetic inferiority, abnormality and diseases will be transmitted from herd to herd / country to country very quickly.
-
Trained personnel are required for detection of oestrus and performing A. I. Otherwise conception will be lowered.
-
Risk of inbreeding on large-scale introduction of A.I in a small population. However, this can be overcome by replacing the bulls periodically. Reduces the cost of sires.
-
Initial investment on implementation of A.I programme is high.
-
Intrauterine insemination of a pregnant female may result in abortion.
-
Uncontrolled or unscrupulous operator or owners could substitute sperm of less valuable animals unless blood typing is routinely employed.
-
Requires more time than the natural service.
-
Necessitates the knowledge of structure and function of reproductive organs by the operator.
-
Improper cleaning of instruments and unsanitary conditions during handling may lead to lower fertility.
TOP
|
Last modified: Monday, 4 June 2012, 9:54 AM
Participants