Answer :
1.1.9 The standard storage temperature for frozen semen utilized in artificial insemination within the liquid nitrogenous flask is:
To ensure the viability of semen for artificial insemination, it is critical to store it at very low temperatures. Liquid nitrogen, which is often used for this purpose, maintains a temperature of approximately -196°C. This extreme cold helps to preserve the sperm cells by effectively halting biological processes, which can be resumed when the semen is thawed for use. Therefore, the correct answer is D -196°C.
1.1.10 The primary method used to store semen for long-term use in artificial insemination:
The most common and effective method for long-term storage of semen is cryopreservation. This process involves freezing the biological material, such as sperm, at very low temperatures to preserve its viability for future use. Cryopreservation is the standard in artificial insemination because it maintains the integrity and function of the sperm cells over extended periods. Thus, the answer is C) Cryopreservation.
1.1.11 The following is NOT recommended during artificial insemination:
Artificial insemination requires careful handling to ensure success and the health of the animals. Each step must be performed correctly, including proper insertion of the insemination gun and maintaining appropriate semen handling. While rectal palpation is commonly used to guide the insemination, allowing the cow to lie down is not advisable during the procedure, as it may interfere with the process and the positioning required for effective insemination. Therefore, the correct answer is A) Allowing the cow to lie down.
