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[Milk ejection in goats and its influencing by feed]
Veterinarni Medicina
|July 1, 1976
Summary
Oxytocin administration in goats influences milk ejection, with higher doses increasing milk yield and reducing latency. Feeding also impacts the milk ejection reflex, affecting latency, ejection time, and alveolar milk release.
Area of Science:
- Animal Physiology
- Endocrinology
- Lactation Biology
Context:
- Investigating the physiological mechanisms of milk ejection in domestic animals.
- Understanding the role of oxytocin in regulating milk letdown.
- Examining external factors influencing the milk ejection reflex.
Purpose:
- To quantify the relationship between oxytocin dosage and milk ejection in goats.
- To compare the effects of intravenous (IV) and intramuscular (IM) oxytocin administration.
- To assess the influence of feeding stimuli on the milk ejection reflex.
Summary:
- Experimental administration of oxytocin (IV and IM) in goats confirmed a dose-dependent relationship with milk ejection. Increasing oxytocin doses reduced latency and increased milk yield up to 1000 mU.
- Intramuscular administration showed longer latency periods compared to intravenous, especially at lower doses. Both routes demonstrated plateau effects at higher doses (2000 mU).
- Feeding stimuli significantly altered the milk ejection reflex. Post-feeding observations showed prolonged latency, reduced alveolar milk percentage, and shortened ejection time compared to pre-feeding.
Impact:
- Provides quantitative data on oxytocin's efficacy in stimulating milk ejection in goats.
- Highlights the differential effects of IV versus IM oxytocin administration routes.
- Offers insights into how environmental and nutritional factors modulate neuroendocrine reflexes in lactation.