問題一覧
1
Expose semen directly to sunlight
False
2
How many hours can sperm cells survive the oviduct
48 hours
3
Females observed in estrus in the AM are inseminated late afternoon of same day
True
4
Skilled inseminators are required to perform the procedure correctly not emphasizing the need for proper training
False
5
Accessible and affordable availability of a wide range of male for breeding
Advantage
6
What should be tested?
Motility, Concentration, Morphology, Dead-alive staining
7
Cycles may range from 16 to 30 days
False
8
The key to a successful AI program is detecting estrus (standing heat) in the gilt or sow
True
9
Rapid improvement in the heard, milk, and beef production
Advantage
10
Artificial insemination does not requires well-trained operations and specialized equipment
False
11
Timing is very essential in insemination
True
12
It is crucial to exercise caution and select bulls with desirable genetic traits
True
13
Requires more time for preparation and implementation
Disadvantage
14
Signs of Estrus
Swollen, red vulva, Increased vocalizations, Decreased appetite, Pinning of ears, Mucus discharge from vulva, Restlessness, Mounting other females or standing to be mounted
15
The female produces and releases many thousand egg cells
False
16
Semen with extender is typically viable for up to how many days
7-9 days
17
The duration of estrus in cattle
12-30 hours, average of 18 hours
18
If the bull used for semen collection is not properly tested, there is an increased risk of spreading genital diseases
True
19
widespread dissemination of the genotype of superior males
Artificial insemination
20
Where does the egg cell is fertilized by one sperm cell
Oviduct of fallopian tube
21
Females typically cycle ever __ days, but estrus cycle can vary
21 days
22
Females observed in PM are inseminated later than noontime the next day
False