Impact of Probiotic Geotrichum candidum QAUGC01 on Health, Productivity, and Gut Microbial Diversity of Dairy Cattle

Zaman, Shahid; Gohar, Madeeha; Kanwal, Hafsa; Chaudhary, Afia; Imran, Muhammad

doi:10.1007/s00284-022-03074-2

Cited by 3 publications

(2 citation statements)

References 39 publications

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“…Next, our data analysis showed that at the phylum level, Ascomycota was found in 84% and 86% of the RA in the summer and winter groups, respectively, with a clear difference in diversity in terms of OTUs. These data are consistent with those reported by Zaman et al [ 65 ] and Ji et al [ 55 ]. The datasets from our study underline the strong dependence of the hindgut mycobiota on the diet, with increased alpha diversity observed with grassland grazing.…”

Section: Discussionsupporting

confidence: 94%

“…An in vitro study reported the production of anti- Listeria extracellular compounds [ 68 ] and phenyllactic acid capable of inhibiting Fusarium sporotrichoides and F. langsethiae , mycotoxin-producing fungi [ 69 ]. In ruminants, it has been applied to production for its ability to improve feed efficiency, milk yield, growth performance and anaerobic bacteria counts, as well as reduce pathogen counts in 12 experimental dairy cows [ 65 ]. Notably, Geotrichum is not only the main core of the fecal mycobiome in winter, but also the most abundant OTU (mean RA of 65%).…”

Section: Discussionmentioning

confidence: 99%

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Impact of Dietary Regime and Seasonality on Hindgut’s Mycobiota Diversity in Dairy Cows

Sadek,

Taminiau,

Daube

et al. 2023

Microorganisms

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We describe and discuss the intestinal mycobiota of dairy cows reared in France following variations in dietary regimes and two seasons. Two groups of 21 animals were followed over a summer and winter period, and another group of 28 animals was followed only during the same summer season. The summer diet was based on grazing supplemented with 3–5 kg/d of maize, grass silage and hay, while the winter diet consisted of 30% maize silage, 25% grass silage, 15% hay and 30% concentrate. A total of 69 DNA samples were extracted from the feces of these cows. Amplification and sequencing of the ITS2 region were used to assess mycobiota diversity. Analyses of alpha and beta diversity were performed and compared statistically. The mycobiota changed significantly from summer to winter conditions with a decrease in its diversity, richness and evenness parameters, while beta diversity analysis showed different mycobiota profiles. Of note, the Geotrichum operational taxonomic unit (OTU) was prevalent in the winter group, with a mean relative abundance (RA) of 65% of the total mycobiota. This Geotrichum OTU was also found in the summer group, but to a lesser extent (5%). In conclusion, a summer grazing diet allowed a higher fecal fungal diversity. These data show, for the first time, that a change in diet associated with seasonality plays a central role in shaping hindgut fungal diversity.

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Section: Discussionsupporting

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Impact of Dietary Regime and Seasonality on Hindgut’s Mycobiota Diversity in Dairy Cows

Sadek,

Taminiau,

Daube

et al. 2023

Microorganisms

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Isolation and evaluation of probiotics from traditional Chinese foods for aflatoxin B1 detoxification: Geotrichum candidum XG1 (yeast) and mechanistic insights

Yang,

Li,

Chen

et al. 2024

Food Chemistry

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The effects of differential feeding on ileum development, digestive ability and health status of newborn calves

Wang,

Chen,

et al. 2023

Front. Vet. Sci.

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Pre-weaning is the most important period for the growth and development of calves. Intestinal morphology, microbial community and immunity are initially constructed at this stage, and even have a lifelong impact on calves. Early feeding patterns have a significant impact on gastrointestinal development and microbial communities. This study mainly analyzed the effects of three feeding methods on the gastrointestinal development of calves, and provided a theoretical basis for further improving the feeding mode of calves. it is very important to develop a suitable feeding mode. In this study, we selected nine newborn healthy Holstein bull calves were randomly selected and divided into three groups (n = 3), which were fed with starter + hay + milk (SH group), starter + milk (SF group), total mixed ration + milk (TMR group). After 80 days of feeding Feeding to 80 days of age after, the ileum contents and blood samples were collected, and the differences were compared and analyzed by metagenomic analysis and serum metabolomics analysis. Results show that compared with the other two groups, the intestinal epithelium of the SH group was more complete and the goblet cells developed better. The feeding method of SH group was more conducive to the development of calves, with higher daily gain and no pathological inflammatory reaction. The intestinal microbial community was more conducive to digestion and absorption, and the immunity was stronger. These findings are helpful for us to explore better calf feeding patterns. In the next step, we will set up more biological replicates to study the deep-seated reasons for the differences in the development of pre-weaning calves. At the same time, the new discoveries of neuro microbiology broaden our horizons and are the focus of our future attention.

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Impact of Probiotic Geotrichum candidum QAUGC01 on Health, Productivity, and Gut Microbial Diversity of Dairy Cattle

Cited by 3 publications

References 39 publications

Impact of Dietary Regime and Seasonality on Hindgut’s Mycobiota Diversity in Dairy Cows

Impact of Dietary Regime and Seasonality on Hindgut’s Mycobiota Diversity in Dairy Cows

Isolation and evaluation of probiotics from traditional Chinese foods for aflatoxin B1 detoxification: Geotrichum candidum XG1 (yeast) and mechanistic insights

The effects of differential feeding on ileum development, digestive ability and health status of newborn calves

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