Early life dietary intervention in dairy calves results in a long-term reduction in methane emissions.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
04 02 2021
04 02 2021
Historique:
received:
22
09
2020
accepted:
15
01
2021
entrez:
5
2
2021
pubmed:
6
2
2021
medline:
16
11
2021
Statut:
epublish
Résumé
Recent evidence suggests that changes in microbial colonization of the rumen prior to weaning may imprint the rumen microbiome and impact phenotypes later in life. We investigated how dietary manipulation from birth influences growth, methane production, and gastrointestinal microbial ecology. At birth, 18 female Holstein and Montbéliarde calves were randomly assigned to either treatment or control (CONT). Treatment was 3-nitrooxypropanol (3-NOP), an investigational anti-methanogenic compound that was administered daily from birth until three weeks post-weaning (week 14). Samples of rumen fluid and faecal content were collected at weeks 1, 4, 11, 14, 23, and 60 of life. Calves were tested for methane emissions using the GreenFeed system during the post-weaning period (week 11-23 and week 56-60 of life). Calf physiological parameters (BW, ADG and individual VFA) were similar across groups throughout the trial. Treated calves showed a persistent reduction in methane emissions (g CH
Identifiants
pubmed: 33542279
doi: 10.1038/s41598-021-82084-9
pii: 10.1038/s41598-021-82084-9
pmc: PMC7862406
doi:
Substances chimiques
3-nitrooxypropanol
0
Propanols
0
Methane
OP0UW79H66
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
3003Références
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