Microbiology and Physiology in Ruminant Nutrition

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Nutrition".

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 3794

Special Issue Editors

Institute of Animal Nutrition and Physiology, Christian-Albrechts-Universität zu Kiel, 24118 Kiel, Germany
Interests: animal nutrition; feed additives; mycotoxins; ruminants; feed formulation; feed science; pigs; poultry; antinutritional factors

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Guest Editor
Schothorst Feed Research BV, P.O. Box 533, 8200 AM Lelystad, The Netherlands
Interests: ruminant nutrition; feed evaluation; dairy cows; protein metabolism; feed evaluation system; in vitro; in situ, silage production; forage

Special Issue Information

Dear Colleagues,

Different feeds, feeding strategies, and additives manipulate the rumen environment and rumen microbiology, thereby changing the efficient use of nutrients for productivity and mitigating the negative environmental impact related to ruminant production (e.g., methane, nitrogen, phosphorus).

Furthermore, beneficial changes in the rumen environment and microbiology may not only lead to improvements in animal productivity but also decrease the occurrence of metabolic diseases (e.g., acidosis, ketosis, milk fever) and thereby beneficially affect rumen and animal health and welfare.

This Special Issue will focus on describing the interactions between nutrition and the physiology of ruminants (cattle, sheep, goats) and ruminal and intestinal microbiota.

This Special Issue will include reviews and original research papers.

Dr. Ralf Blank
Dr. Edwin Westreicher-Kristen
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • feeding strategies
  • rumen environment
  • rumen microbiology
  • rumen acidosis
  • nitrogen metabolism
  • methane production
  • environmental issues
  • milk production
  • meat production
  • animal health

Published Papers (1 paper)

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Research

17 pages, 1956 KiB  
Article
Feeding System Effects on Dairy Cow Rumen Function and Milk Production
by Stephen McAuliffe, John F. Mee, Eva Lewis, Norann Galvin and Deirdre Hennessy
Animals 2022, 12(4), 523; https://doi.org/10.3390/ani12040523 - 21 Feb 2022
Cited by 3 | Viewed by 2823
Abstract
Good rumen function, which is largely influenced by the diet of the cow, is essential to optimise animal performance. This study, conducted over the course of a full lactation in a spring-calving milk production system, compared the rumen function and milk production of [...] Read more.
Good rumen function, which is largely influenced by the diet of the cow, is essential to optimise animal performance. This study, conducted over the course of a full lactation in a spring-calving milk production system, compared the rumen function and milk production of cows offered one of three dietary treatments: (1) Cows grazing grass-only swards receiving 250 kg nitrogen (N)/ha/year (Grass), (2) Cows grazing grass-white clover swards receiving 250 kg N/ha/year (Grass-Clover), and (3) Cows offered a total mixed ration diet and housed indoors (TMR). Treatment significantly affected milk production; milk yield and milk solids yield were generally highest on the TMR treatment. There was no effect of treatment on rumen pH. However, treatment significantly altered the rumen volatile fatty acid (VFA), and ammonia and lactic acid profiles. Clover inclusion in the sward led to higher (p < 0.05) total VFA and ammonia concentrations compared to the Grass and TMR treatments. The increased rumen ammonia concentration was associated with a significantly greater milk urea nitrogen (MUN) content in the milk from cows fed on Grass-Clover, indicating a greater excess of dietary protein in that treatment. It was concluded that a clover-based dairy cow feeding system could significantly alter rumen function, milk composition and milk yield. Full article
(This article belongs to the Special Issue Microbiology and Physiology in Ruminant Nutrition)
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