Swine Sample Questions Flashcards
John owns a 500 head sow farrow to finish farm and wants to move away from natural mating to AI. He is apprehensive and is looking for some pointers on things to consider as he makes this transmission to ensure he doesn’t see a drop in fertility rates as he makes this switch.
Which one is most likely to be a biggest risk to being successful?
a. He and his hired hand plan to use semen from a boar stud at 3.3 billion cells
b. He is going to ID sows in heat, put the boar away, and breed them 45 minutes later.
c. He plans to run the boar to heat check twice per day
d. He plans to store his semen at 16-18 deg C and record it daily on a log sheet
b. He is going to ID sows in heat, put the boar away, and breed them 45 minutes later.
You are a recent ISU animal science graduate employed at a 1000 sow breed to wean farm. You immediately notice a low conception rate and high number of females returning to estrus after their first breed after weaning. You have heard about a new product which contains triptorelin acetate and would like to introduce its use in the herd. However, your manager would like to know the scince behind the benefits of the product before agreeing to its implementation.
What is the least appropriate reason to tell him when trying to convince him to use triptorelin?
a. It will allow for a fixed-time artificial insemination
b. It is a GnRH analog, causing an LH surge and ovulation 40-48 hours later
c. Although it is not approved for use in gilts, it can significantly increase the reproductive efficiency of sows
d. It has high ease of administration with a one-time dose 48 hours after weaning
d. It has high ease of administration with a one-time dose 48 hours after weaning
Which one of the following sow housing types allows for the female to choose between lying in safety of individual stalls or out in pens with other females?
a. Individual Gestational Stalls
b. Group Housing
c. Free Access
d. Electronic Sow Feeder
c. Free Access
Ellie has just purchased a pregnant sow for her 4-H project from a local farmer on September 29th. She is wanting to know when it should farrow, but only got this information from the farmer ‘ Well I turned Chester the boar loose into the pen that she was in during the week of July 10th and took him out of the pen on July 17th’.
Based on what you know about the range of gestation lengths of swine, approximately when should her sow farrow?
a. On November 2nd
b. From October 15 - October 28
c. From October 31 - November 12th
d. From November 18th to December 1st
c. From October 31 - November 12th
Phil manages a 2200 sow farm that has just been diagnosed with PRRSV infection and his owners want to know how long the impact of PRRS will be until the farm is weaning back into target (100% of planned wean pig output). Although there are differences between PRRS stains and outbreaks, on average what can you tell Phil would be the most likely outcome?
a. 35 weeks
b. 12 weeks
c. 8 weeks
d. 20 weeks
d. 20 weeks
Which one of the following would not be a cause of ‘failure ot maintain pregnancy’ in diagnosing a farrowing rate problem?
a. Infection of the breeding herd with PRRSV
b. Effect of seasonality (changes in termperatures)
c. Issues with semen due to bacterial contamination
d. Moving sows at 10-15 days post-mating into group housing
c. Issues with semen due to bacterial contamination
