Evaluation of Probiotic Lactobacillus fermentum CCM 7421 Administration with Alginite in Dogs
Abstract
There are growing efforts to find applications for various naturally occurring organo-mineral rocks. They have so far been preferentially used in agriculture and forestry; however, medicine and nutrition may also be interesting areas for their application. This study investigates the effects of dietary supplementation with canine-derived probiotic strain Lactobacillus fermentum CCM 7421 in combination with alginite in dogs. Alginite is a loam-like material of volcanic origin composed of clay minerals and fossilised unicellular algae. The effects of these additives on faecal microbiota, faecal characteristics, short-chain fatty acid profile, haematology, serum biochemistry and cellular immunity parameters were monitored. Forty dogs were randomly divided into four treatment groups: control group (C), alginite-supplemented group (A; 1% diet), probiotic group (LF; L. fermentum CCM 7421 at a dose of 109 cfu/day/dog) and combined group (A + LF group); 10 dogs in each group. The experiment lasted for 35 days with a 14-day treatment period (sample collection at days 0, 7, 14 and 35). The results of this straightforward experiment showed beneficial effects in the combined A + LF group. In detail, a decrease in faecal coliforms and clostridia and an increase in lactic acid bacteria, haemoglobin and serum magnesium levels compared to baseline were observed in the A + LF group (P < 0.05). In contrast, sole application of alginite (A group) led to several unexpected effects such as an…
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