[Substances in the bovine colostrum - a survey]
Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
|June 15, 2018
Summary
Bovine colostrum is rich in immunoglobulins, growth factors, and immune cells, crucial for calf development and immunity. Enzymes and nutrients also play vital roles, though hormone impacts remain unclear.
Area of Science:
- Veterinary Medicine
- Animal Science
- Immunology
Background:
- Bovine colostrum is a vital source of passive immunity for neonates.
- Key components include immunoglobulins, growth factors, immune cells, enzymes, and nutrients.
Purpose of the Study:
- To comprehensively review the biological activities and functions of bovine colostrum components.
- To highlight the importance of colostrum for neonatal calf health and development.
Main Methods:
- Literature review of scientific studies on bovine colostrum composition and function.
- Analysis of immunoglobulin absorption, growth factor effects, leukocyte migration, and enzyme activities.
Main Results:
- Immunoglobulins are absorbed via pinocytosis, with Fc-receptors crucial for transfer to colostrum.
- Growth factors (IGF-1, EGF, TGF) promote gastrointestinal development.
- Colostral leukocytes provide immunological memory; enzymes aid in assessing colostrum adequacy and offer antimicrobial properties.
- Essential nutrients support neonatal requirements.
Conclusions:
- Bovine colostrum is indispensable for neonatal calf immunity and development.
- Its diverse components offer multifaceted benefits, from immune support to nutritional provision.
- Further research is needed to clarify the roles of hormones and other minor components.
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