With increasing concerns over antibiotic resistance in livestock, there is an urgent need for sustainable alternatives to enhance health and productivity in poultry production. Ginger (Zingiber officinale Roscoe), a phytobiotic recognized for its diverse health benefits, including growth promotion and the improvement of intestinal function, was evaluated for its efficacy. This study investigated the effects of standardized ginger extract on gut morphology, microbiota composition, and growth performance in broiler chickens. A total of 200 day-old (Ross 308) broiler chicks were randomly assigned to four dietary groups: a control group receiving a basal diet and three experimental groups receiving a basal diet supplemented with 2.5 g/kg, 5 g/kg, and 10 g/kg of ginger extract. The performance results demonstrated that dietary ginger supplementation at 5 g/kg significantly improved feed efficiency without adversely affecting final body weight (p < 0.01). Feed intake in broilers was significantly reduced by higher doses of ginger extract (p < 0.01). Broiler chickens supplemented with 5 g/kg of ginger exhibited a significantly higher villous height-to-crypt depth ratio in the duodenum and jejunum (p < 0.05). Groups supplemented with 5 g/kg and 10 g/kg of ginger extract demonstrated a significant decrease in the relative abundance of Proteobacteria and an increase in the proportion of Firmicutes (p < 0.05). In conclusion, the addition of ginger extract at 5 g/kg resulted in improved feed efficiency, intestinal morphology, and microbiota composition.

Dairy cows can suffer from a negative energy balance (NEB) during their transition from the dry period to early lactation, which can increase the risk of postpartum diseases such as clinical ketosis, mastitis, and fatty liver. Zeolite clinoptilolite (CPL), due to its ion-exchange property, has often been used to treat NEB in animals. However, limited information is available on the dynamics of global metabolomics and proteomic profiles in serum that could provide a better understanding of the associated altered biological pathways in response to CPL. Thus, in the present study, a total 64 serum samples were collected from 8 control and 8 CPL-treated cows at different time points in the prepartum and postpartum stages. Labelled proteomics and untargeted metabolomics resulted in identification of 64 and 21 differentially expressed proteins and metabolites, respectively, which appear to play key roles in restoring energy balance (EB) after CPL supplementation. Joint pathway and interaction analysis revealed cross-talks among valproic acid, leucic acid, glycerol, fibronectin, and kinninogen-1, which could be responsible for restoring NEB. By using a global proteomics and metabolomics strategy, the present study concluded that CPL supplementation could lower NEB in just a few weeks, and explained the possible underlying pathways employed by CPL.

Background: Because European-wide directives are restricting the non-clinical use of antibiotics as in-feed growth promotors in swine production, there is an intensive search for alternative strategies for control and prevention of losses among young pigs. With the growing knowledge of the porcine immune system and its endogenous modulation, it has been clearly established that exogenous immunomodulation using adjuvants and immune response modifiers (IRMs) represents an important prophylactic/therapeutic approach in the prevention/treatment of both stress- and microbial-induced disorders that accompaning weaning. However, it is essential to select a fully evaluated agent which may act either as a nonspecific IRM or synergistically as an adjuvant with vaccines. The synthetic macromolecules with a long history as adjuvant and IRM are nonionic block copolymers which consist of polyoxyethylene (POE) and polyoxypropylene (POP) molecules.Methods: The aim of this work was to evaluate the effectiveness of POE-POP given as a single peroral dose on productivity parameters such as body weight gain, feed intake and feed conversion ratio, and systemic and intestinal immune parameters by assessing the proportions of CD45⁺lymphoid cells, CD4⁺and CD8⁺T cells, and CD21⁺B cells in the peripheral blood as well as the number of CD45RA⁺naive lymphoid cells residing in the ileal mucosa in weaned pigs during a follow-up study 5 weeks after the treatment.Results: Pigs treated with POE-POP had better feed intake (+ 14.57%), higher average body mass at the end of the experiment (20.91 kgvs. 17.61 kg), and higher body weight gain in relation to Day 0 (191.63%vs. 144.58%) as well as in relation to nontreated pigs (+ 18.74%), with a lower feed conversion ratio (− 30.26%) in comparison to the control pigs. A much lower diarrhea severity score (5vs. 54) was recorded in pigs treated with POE-POP (− 90.74%) than in the control pigs. A higher average diarrhea severity (ADS) was recorded in the control pigs (1.54vs. 0.14), whereas the treatmant group had much a lower ADS ratio (− 90.91%) after 35 days of the experiment. The pigs that were treated with POE-POP had an increased proportion of CD45⁺, CD4⁺and CD8⁺cells at Day 21 (at p < 0.05, p < 0.05 or p < 0.01, respectively), Day 28 (at p < 0.01, respectively) and Day 35 (at p < 0.01, p < 0.05 or p < 0.01, respectively) as well as of CD21⁺cells at Day 28 (p < 0.05) and Day 35 of the experiment (p < 0.01). Also, these pigs had more numerous CD45RA⁺cells in interfollicular (p < 0.05) and follicular areas (p < 0.01) of the ileal Peyer’s patches than did control pigs.Conclusion: This property of POE-POP to induce recruitment of circulating and intestinal immune cell subsets in weaned pigs may allow the use of IRM-active block copolymers as adjuvants for vaccines, particularly those orally delivered and targeted to the gut-associated lymphoid tissues that are well known to promote rather tolerogenic than protective immune responses.

The increasing demand for sustainable and antibiotic-free veterinary practices has stimulated interest in natural products such as clinoptilolite, ozone therapy, bee-derived products, and phytotherapy. This systematic review evaluates evidence from 2010 to 2026 regarding their clinical efficacy and mechanisms of action. A comprehensive literature search was conducted across PubMed, Scopus, Web of Science, CAB Abstracts, Google Scholar, and regional veterinary journals using predefined keywords related to natural alternatives in veterinary medicine. These studies were critically appraised due to frequent methodological limitations, including lack of randomization and control groups. From 1124 identified records, 842 studies were screened after duplicates were removed, 214 full-text articles were assessed for eligibility. A total of 96 studies meeting the predefined inclusion criteria were included in the final analysis. Clinoptilolite consistently improved gastrointestinal health and detoxification in livestock. Ozone therapy demonstrated broad antimicrobial and immunomodulatory effects, though standardized protocols are lacking. Bee-derived products, especially propolis exhibited strong antimicrobial and antioxidant properties, with variable clinical translation. Phytotherapy emerged as a promising alternative to antibiotic growth promoters. Overall, the available evidence suggests that these natural interventions may serve as promising adjuncts in veterinary practice; however, their current application is constrained by heterogeneity, limited randomized controlled trials, and lack of standardized protocols. Consequently, they should be considered supportive rather than definitive alternatives to conventional therapies. Further well-designed, standardized clinical studies are required to confirm efficacy, optimize application, and support evidence-based integration into modern veterinary medicine.