Modulation of ruminal and intestinal fermentation by medicinal plants and zinc from different sources

Two experiments were conducted on sheep to determine the effect of dietary supplementation with zinc and a medicinal plant mixture on haematological parameters and microbial activity in the rumen and large intestine. In Experiment 1, 24 male lambs were randomly divided into four groups: One group wa...

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Bibliographic Details
Published in:Journal of animal physiology and animal nutrition 2018-10, Vol.102 (5), p.1131-1145
Main Authors: Váradyová, Zora, Mravčáková, Dominika, Holodová, Monika, Grešáková, Ľubomira, Pisarčíková, Jana, Barszcz, Marcin, Taciak, Marcin, Tuśnio, Anna, Kišidayová, Svetlana, Čobanová, Klaudia
Format: Article
Language:English
Subjects:
Antioxidants
Barley
Bioactive compounds
Biological activity
blood
caecum
Chelates
Colon
Diet
Experiments
Feed additives
Fermentation
flavonoids
gallic acid
Glycine
Grain
Hay
Hematology
Herbal medicine
Large intestine
Meadows
Medicinal plants
Microbial activity
Microorganisms
ruminants
Sheep
Zinc
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Summary:Two experiments were conducted on sheep to determine the effect of dietary supplementation with zinc and a medicinal plant mixture on haematological parameters and microbial activity in the rumen and large intestine. In Experiment 1, 24 male lambs were randomly divided into four groups: One group was fed an unsupplemented basal diet (control), and three groups were fed a diet supplemented with 70 mg Zn/kg diet in the form of Zn sulphate (ZnSO4), a Zn‐chelate of glycine hydrate (Zn‐Gly) or a Zn‐proteinate (Zn‐Pro), for five months. The ruminal content was collected separately from each lamb, and batch cultures of ruminal fluid were incubated in vitro with mixture of medicinal plants (Mix) with different roughage:concentrate ratios (800:200 and 400:600, w/w). Bioactive compounds in Mix were quantified by UPLC/MS/MS. In Experiment 2, four sheep were fed a diet consisting of meadow hay and barley grain (400:600, w/w), with Zn‐Gly (70 mg Zn/kg diet), Mix (10% replacement of meadow hay) or Zn‐Gly and Mix (Zn‐Gly‐Mix) as supplements in a Latin square design. Mix decreased total gas (p 
ISSN:0931-2439
1439-0396
DOI:10.1111/jpn.12940