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Rodent Estrous Cycle Monitoring Utilizing Vaginal Lavage: No Such Thing As a Normal Cycle
Published on: August 30, 2021
Estrous activity detection device in mammals
Anas Elaraby Salem1, Nasrat Abd El-Ati, Gamal Mahmoud
1Animal Production Department, Faculty of Agriculture, Assiut University, Assiut, Egypt. anas12eg@yahoo.com
Frontiers in Bioscience (Elite Edition)
|June 11, 2013
Summary
Determining estrus in Damascus does is crucial for breeding efficiency. Buck goats (BG) effectively detect silent estrus, especially in autumn, offering a reliable method for estrous cycle (EC) management.
Area of Science:
- Animal Science
- Reproductive Biology
- Veterinary Medicine
Background:
- Estrus control is vital for farm animal breeding programs, artificial insemination, and parturition date prediction.
- Damascus does often exhibit silent estrus, making detection challenging with traditional methods.
- Accurate estrus determination is key to optimizing reproductive efficiency in goat farming.
Purpose of the Study:
- To investigate the efficacy of using a male goat (buck goat, BG) for detecting silent estrus in Damascus does.
- To compare the effectiveness of BG detection versus frequent vaginal inspection (FVI) in identifying estrus and estrous cycle (EC) variations.
- To analyze the seasonal influence on estrus detection rates and estrous cycle characteristics in Damascus does.
Main Methods:
- Estrus detection in Damascus does using a male goat (BG) and frequent vaginal inspection (FVI).
- Seasonal comparison of estrus detection rates between BG and FVI methods.
- Analysis of estrous cycle (EC) lengths (normal, short, long) based on detection method.
- Biochemical and hormonal analysis to assess estrus quality.
Main Results:
- Estrus detection by BG was significantly higher in autumn (78/86) than spring (3/11).
- Estrus detection by FVI was higher in spring (8/11) than autumn (8/86).
- Normal EC were more frequent with BG detection, while short/long EC were more frequent with FVI.
- BG proved effective for assessing estrus quality, particularly in autumn and winter.
Conclusions:
- Buck goats (BG) are a superior tool for detecting silent estrus in Damascus does, especially during autumn.
- Frequent vaginal inspection (FVI) may be more sensitive to variations in estrous cycle (EC) length.
- BG-based estrus detection and quality assessment offer significant advantages for Damascus goat breeding programs, particularly in cooler seasons.
