Questions and Answers
What is the best long-term solution for preventing breech strike in sheep?
Which combination of traits is most valuable for reducing the risk of breech strike?
What term describes traits that can be used to indicate susceptibility to breech strike?
Genetic selection to combat flystrike can occur in which of the following groups?
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Which of the following is NOT an important trait directly associated with breech strike?
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What factor can impact the susceptibility of sheep to flystrike besides individual traits?
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Study Notes
Preventing Flystrike with Genetics
- Breeding for resistance to breech strike provides a sustainable, long-term solution to flystrike issues in sheep.
- Selecting superior rams and ewes with measurable and heritable traits is essential for effective breeding practices.
- Certain traits associated with breech strike can be identified and used in breeding programs; these are termed "indicator traits."
- Key indicator traits related to breech strike in winter rainfall environments include:
- Low wrinkle
- Low dags
- Adequate breech cover
- The presence of multiple indicator traits on a single animal enhances resistance to flystrike due to their interactive effects.
- Genetic selection strategies can be employed across different sheep categories:
- Lamb flock selection
- Existing ewe flock assessment
- Choosing rams from sources focused on genetic resistance to flystrike.
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Description
This quiz explores breeding strategies to prevent flystrike in sheep through genetic selection. Learn about key indicator traits and how to effectively select rams and ewes to enhance resistance. A sustainable approach is highlighted with methods applicable across different sheep categories.
