Various Reproductive Parameters of Female Llamas and Alpacas
| Parameter | Guideline | 
|---|---|
| Age of puberty | 10–12 months | 
| Recommended age of first breeding | At least 2 years and weighing >40 kg (alpaca) or 90 kg (llama) | 
| Gestation period | 332–352 days | 
| Size of a mature follicle | >7 mm | 
| Time of pregnancy diagnosis | Female rejects male: 15 days after mating Transrectal ultrasonography: >21 days after mating Rectal palpation: >45 days after mating (llamas) Transcutaneous ultrasonography: 45–60 days after mating | 
| Duration of stage I labor | 1–6 hr | 
| Duration of stage II labor | < 30 min | 
| Duration of stage III labor (passage of placenta) | 4–6 hr | 
| Time interval after birth to conceive again | 14–21 days | 
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