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Related Concept Videos

Microbes in Food Production01:29

Microbes in Food Production

Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
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The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual,  the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter telomeres than other...

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Effects of <i>Yucca schidigera</i> Supplementation on In Vitro Cecal Fermentation and In Vivo Nutrient Digestibility in Male and Female Lean Fattening Pigs.

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Updated: Jun 27, 2026

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)
13:00

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)

Published on: July 31, 2021

Effects of Colostrum Source, Dose and Processing on In Vitro Rumen Fermentation in Weaned Lambs.

Jennifer Muñoz-Grein1, Amina Hind Chekikene1, Dimitra Graikini1

  • 1Departamento de Producción Animal y Ciencia de los Alimentos, Instituto Agroalimentario de Aragón (IA2), Universidad de Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain.

Animals : an Open Access Journal From MDPI
|June 26, 2026
PubMed
Summary

Colostrum supplementation enhances rumen fermentation in young ruminants. Immunoglobulin G (IgG) in colostrum is key for improving microbial activity and nutrient utilization during weaning.

Keywords:
bioactive compoundsimmunoglobulinsrumen modulationweaning

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Probiotic Studies in Neonatal Mice Using Gavage
10:36

Probiotic Studies in Neonatal Mice Using Gavage

Published on: January 27, 2019

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Last Updated: Jun 27, 2026

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)
13:00

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)

Published on: July 31, 2021

Probiotic Studies in Neonatal Mice Using Gavage
10:36

Probiotic Studies in Neonatal Mice Using Gavage

Published on: January 27, 2019

Area of Science:

  • Rumen microbiology
  • Animal nutrition
  • Immunology

Background:

  • Young ruminants struggle with solid diet adaptation due to limited rumen function.
  • Colostrum, rich in nutrients and immune factors, is crucial for neonatal development.

Purpose of the Study:

  • To investigate the impact of ruminant colostrum on in vitro rumen fermentation in young ruminants.
  • To identify key colostrum components responsible for enhancing fermentation.

Main Methods:

  • Utilized a batch culture system with rumen inoculum from lambs.
  • Incubated rumen fluid with ovine or bovine colostrum at varying concentrations.
  • Fractionated colostrum to isolate functional components like IgG and lipids.

Main Results:

  • Colostrum supplementation increased gas production, ammonia-N, and butyrate levels, indicating enhanced fermentation.
  • Responses were dose-dependent and consistent across colostrum types.
  • Immunoglobulin G (IgG) was identified as a critical component for promoting gas production and protein degradation.

Conclusions:

  • Colostrum exerts both nutritional and modulatory effects on rumen fermentation.
  • Preserving IgG in colostrum products can benefit rumen function in weaned ruminants.
  • Further in vivo studies are needed to confirm these findings in live animals.