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Determining the factors affecting the gestational length in sheep.
Hilal Tozlu Celik1, Fatih Ahmet Aslan2, Yeliz Kasko Arıcı3
1Department of Food Processing, Ulubey Vocational School, Ordu University, 52850 Ulubey, Ordu, Turkey.
Archives Animal Breeding
|June 4, 2021
Summary
Gestational length in sheep is not significantly affected by common factors like age or birth type. However, body condition score (BCS) and offspring sex can influence gestation, with a BCS of 2.5-4 recommended for healthy lambing and profitable production.
Area of Science:
- Reproductive biology in livestock
- Animal science and production
Background:
- Gestational length is critical for lamb health and production efficiency.
- Factors influencing gestation in sheep require detailed investigation for optimal breeding strategies.
Purpose of the Study:
- To determine the effects of various maternal and offspring factors on gestational length in Karayaka sheep.
- To establish optimal body condition scores (BCS) for profitable sheep production and healthy lambing.
Main Methods:
- Monitoring estrus daily in Karayaka sheep.
- Recording body weight, BCS, body measurements, birth type, birth weight, and sex of offspring.
- Analyzing data to determine correlations and significant effects on gestational length.
Main Results:
- Pregnancy, infertility, fecundity, and birth rates were recorded (93.52%, 6.48%, 93.52%, 14.62%, 85.38%).
- Gestational length was not significantly affected by age, BCS, body measurements, sex, or birth type, though male and single offspring had longer gestations.
- A BCS between 2.5 and 4 is recommended for profitable production and healthy lamb development.
Conclusions:
- Body condition scoring is a valuable tool for breeders to assess sheep's bodily reserves and reproductive efficiency.
- Further research into gestational length factors in sheep is necessary for improved breeding outcomes.
- Maintaining an optimal BCS is crucial for successful lamb production.
