Impact of Dietary Zinc Chloride Hydroxide and Zinc Methionine on the Faecal Microbiota of Healthy Adult Horses and Ponies

Paßlack, Nadine; Bömmel-Wegmann, Sarah van; Vahjen, Wilfried; Zentek, Jürgen

doi:10.1016/j.jevs.2021.103804

Cited by 5 publications

(5 citation statements)

References 33 publications

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“…However, both the inorganic Zn chloride hydroxide and the organic Zn methionine dose-dependently increased the Zn concentrations in the mane hair of the horses and ponies of the present investigation. Our previous data could partly demonstrate divergent compound effects of these Zn supplements on the fecal microbiota [28] and the immune system [50] of the animals. These results might indicate a different intestinal absorption and metabolic utilization of Zn chloride hydroxide and Zn methionine in equines [28].…”

Section: Discussionmentioning

confidence: 86%

“…Our previous data could partly demonstrate divergent compound effects of these Zn supplements on the fecal microbiota [28] and the immune system [50] of the animals. These results might indicate a different intestinal absorption and metabolic utilization of Zn chloride hydroxide and Zn methionine in equines [28]. The mane hair analyses, however, revealed only a trend for the Zn compound.…”

Section: Discussionmentioning

confidence: 86%

“…Part 2: Eight private-owned ponies and two private-owned horses, permanently housed in the same stable, were included in this study [28]. The animals received the following basic diet, where the daily amount was calculated to maintain their body weight (BW): grass hay (8 kg/horse, 2.5-4.5 kg/pony), crimped oats (1 kg/horse, 0.1-0.5 kg/pony), muesli (1 kg/horse, 0.1-0.5 kg/pony), and a vitamin and mineral supplement (35 g/horse, 13-35 g/pony).…”

Section: Animals Housing and Feeding Regimenmentioning

confidence: 99%

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Zinc Status of Horses and Ponies: Relevance of Health, Horse Type, Sex, Age, and Test Material

Bömmel-Wegmann

Gehlen

Barton

et al. 2023

Veterinary Sciences

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Little is known about the animal- and diet-related factors that could interfere with the plasma zinc (Zn) concentrations of equines. Additionally, the adequacy of plasma to reflect changes in the Zn intake is unclear. In the first part of this study, the plasma Zn concentrations of hospitalized horses and ponies (n = 538) were measured and evaluated for the impact of the age, sex, horse type, and internal diseases of the animals. In the second part, the effects of increasing dietary Zn chloride hydroxide and Zn methionine supplementations were assessed on the plasma and mane hair Zn concentrations of healthy horses (n = 2) and ponies (n = 8). Part 1: The age, sex, and horse type did not influence the plasma Zn concentrations. No effect of internal diseases was observed, with the exception of higher plasma Zn concentrations in animals with metabolic disorders compared to the control group (p < 0.05). Part 2: Both Zn supplements dose-dependently increased the Zn concentrations in the mane hair (p = 0.003), but not in the plasma of the horses and ponies. In conclusion, the plasma Zn concentrations were widely unaffected by nutritional and non-nutritional factors in equines, while mane hair samples better reflected the dietary Zn supply.

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Section: Discussionmentioning

confidence: 86%

Section: Discussionmentioning

confidence: 86%

Section: Animals Housing and Feeding Regimenmentioning

confidence: 99%

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Zinc Status of Horses and Ponies: Relevance of Health, Horse Type, Sex, Age, and Test Material

Bömmel-Wegmann

Gehlen

Barton

et al. 2023

Veterinary Sciences

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“…Incertae Sedis showed significant differences between the two treatments. In a study by Passlack et al [ 41 ], the relative abundance of those species was relatively low in the feces of horses given 120 mg/kg zinc methionine. However, there are few studies focused on Eubacteriales Family XIII.…”

Section: Discussionmentioning

confidence: 99%

Drinking Warm Water Promotes Performance by Regulating Ruminal Microbial Composition and Serum Metabolites in Yak Calves

et al. 2023

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Yaks live in the harsh environment of the Qinghai–Tibet Plateau, and the cold climate causes lower growth efficiency. The aim of this experiment was to explore the effects of drinking warm water on the growth performance in yak calves and investigate the underlying physiological mechanisms. A total of 24 Datong yak calves were selected and randomly assigned into the cold water group (group C, water temperature around 0–10 °C without any heating; 58.03 ± 3.111 kg) and the warm water group (group W, water constantly heated at 2 °C; 59.62 ± 2.771 kg). After the 60-day experiment, body weight was measured, and rumen fluid and blood serum samples were collected for analysis. The results show that the body weight and average daily gain of yaks that drank warm water were higher compared to those that drank cold water (p < 0.05). The acetic, propionic, isobutyric, valeric, and isovaleric acid concentrations were higher in group W than in group C (p < 0.05). Additionally, warm water changed the ruminal microbes at different levels. At the phylum level, the relative abundance of Tenericutes, Kiritimatiellaeota, and Elusimicrobiota was higher in group C (p < 0.05). At the genus level, three genera were increased by warm water, including Ruminococcoides and Eubacteriales Family XIII. Incertae Sedis, and 12 genera were decreased, including Ruminococcus (p < 0.05). At the species level, unclassified Prevotellaceae and Ruminococcoides bili were increased by warm water compared to cold water (p < 0.05). According to the metabolomics results, metabolites, including valine, isoleucine, PC (15:0/22:2(13Z,16Z)), and LysoPC (18:0/0:0), were increased in the warm water group compared to the cold water group (p < 0.05), and were enriched in glycerophospholipid and amino acid metabolism pathways. This study analyzed the differences in ruminal microbes and metabolomes of yak calves provided with water at different temperatures and revealed the potential mechanism for better performance promoted by warm drinking water.

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“…In horses with allergic dermatitis, zinc levels were significantly lower than in healthy horses [ 43 ]. According to Paßlack et al [ 44 ], zinc supplements are often used in equine diets to not only improve the quality of the skin and hoof but also increase immunity. However, high levels of zinc in the diet reduce the richness and fermentative activity of the equine gut microbiota.…”

Section: Discussionmentioning

confidence: 99%

Seasonal Changes in Trace-Element Content in the Coat of Hucul Horses

Jachimowicz

Topczewska

Krupa

et al. 2022

Animals

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The purpose of the study was to evaluate seasonal changes in selected trace elements such as Fe, Cu, Mn, Zn, and Al in the coat of healthy Hucul horses kept in south-eastern Poland in two different facilities and fed with locally sourced feed. The coat for the study was collected from 24 individuals in autumn, winter, and spring. The concentration of elements in the feed was also determined. The date of collection had a significant effect on the concentration of the micronutrients analysed in the coat of Hucul horses. The highest concentration of Zn was found in the coat taken in summer. The coat taken in autumn had the highest concentrations of Fe, Cu, Mn, and Al compared with the other seasons. The highest concentrations of Fe, Mn, and Al were found in fur taken in winter, with the lowest levels of Zn. Positive correlations were found between the content of iron and manganese, iron and aluminium, and manganese and aluminium in the coat of Hucul horses. A clear inter-individual and inter-stable variability was found, which may indicate the need for further research that also takes into account other factors.

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Impact of Dietary Zinc Chloride Hydroxide and Zinc Methionine on the Faecal Microbiota of Healthy Adult Horses and Ponies

Cited by 5 publications

References 33 publications

Zinc Status of Horses and Ponies: Relevance of Health, Horse Type, Sex, Age, and Test Material

Zinc Status of Horses and Ponies: Relevance of Health, Horse Type, Sex, Age, and Test Material

Drinking Warm Water Promotes Performance by Regulating Ruminal Microbial Composition and Serum Metabolites in Yak Calves

Seasonal Changes in Trace-Element Content in the Coat of Hucul Horses

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