Parasitrol for Poultry: A Natural Water-Based Tool to Help Birds Perform Under Disease Pressure

Disease challenges remain one of the biggest obstacles to poultry performance and profitability. Among these challenges, coccidiosis continues to cost producers millions of dollars annually through reduced feed efficiency, lower weight gain, intestinal damage, and increased management costs.

As poultry operations seek effective, practical, and natural support tools, Parasitrol® offers a unique solution. This proprietary plant-extract formulation is designed for water administration and has demonstrated promising results in controlled poultry studies involving coccidiosis pressure and antibacterial activity against key Gram-positive pathogens.

Why Coccidiosis Still Matters

Coccidiosis is caused by protozoan parasites of the Eimeria species that damage the intestinal tract of chickens. Even moderate infections can negatively impact nutrient absorption, feed conversion, growth rates, and overall flock performance.

The challenge for producers is not only managing visible disease outbreaks but also minimizing the hidden performance losses that occur during periods of parasite pressure.

Research Demonstrates Improved Performance Under Challenge

In a controlled 28-day broiler study conducted by Southern Poultry Feed & Research, birds were challenged with a mixed Eimeria inoculum consisting of:

• Eimeria acervulina
• Eimeria maxima
• Eimeria tenella

Parasitrol was administered through drinking water at 120 ppm and compared against challenged birds that received no additive.

Key Results

Lower Lesion Scores

Birds receiving Parasitrol showed lower average coccidial lesion scores compared to challenged untreated birds:

• Challenged untreated: 1.88
• Parasitrol-treated: 1.71

Lower lesion scores indicate reduced intestinal damage during parasite pressure.

Reduced Oocyst Shedding

Oocyst shedding is an important indicator of parasite burden and environmental contamination.

• Challenged untreated: 19,760 total oocysts
• Parasitrol-treated: 15,249 total oocysts

This reduction suggests Parasitrol may help moderate coccidial pressure within the flock.

Improved Feed Conversion

Perhaps the most commercially significant finding was improved feed efficiency during the post-challenge period.

Feed Conversion Ratio (Day 14–28):

• Challenged untreated: 2.563
• Parasitrol-treated: 2.071

Improved feed conversion means birds required less feed to achieve gain, helping support profitability during disease challenges.

Numerically Higher Weight Gain

Birds receiving Parasitrol also demonstrated improved weight gain compared to challenged untreated controls:

• Challenged untreated: 0.263 kg
• Parasitrol-treated: 0.301 kg

More Than Protozoal Support

While the coccidiosis data is compelling, Parasitrol's technical story extends beyond parasite management.

A 2025 antibacterial evaluation examined the product's activity against several poultry-relevant bacterial pathogens. The study found that Parasitrol demonstrated notable activity against Gram-positive organisms, including:

• Staphylococcus aureus
• Clostridium perfringens
• Enterococcus cecorum

For Staphylococcus aureus specifically, Parasitrol achieved a minimum inhibitory concentration (MIC) of 0.8 mg/mL during laboratory testing.

Staphylococcus aureus is associated with lameness and production losses in poultry operations, making this finding particularly relevant for producers focused on overall flock resilience.

While these results come from laboratory testing rather than live-bird challenge trials, they provide additional evidence supporting Parasitrol's broad biological activity.

The Advantage of Water Administration

One of the most practical features of Parasitrol is its water-based delivery system.

During periods of disease pressure, birds often reduce feed consumption before they reduce water intake. Delivering support products through drinking water allows producers to maintain intake even when appetite declines.

Benefits of water administration include:

• Fast flock-wide delivery
• Easy implementation
• Flexible program integration
• Consistent intake during stress periods

For many operations, this makes water delivery an attractive option for supporting flock performance when challenges arise.

Supporting Modern Poultry Production

Today's poultry producers are increasingly interested in tools that complement comprehensive flock health programs. Natural, plant-based products continue to gain attention as operations seek additional management strategies that support performance and resilience.

Parasitrol is positioned as a practical support tool that may help:

• Support feed efficiency during coccidiosis pressure
• Help moderate lesion severity and oocyst shedding
• Provide demonstrated in vitro activity against key Gram-positive pathogens
• Fit within modern flock health and management programs

The Bottom Line

The research behind Parasitrol supports a compelling commercial story for poultry producers. In controlled broiler studies, Parasitrol improved feed conversion while reducing lesion scores and oocyst shedding during coccidiosis challenge. Additional laboratory testing demonstrated activity against Staphylococcus aureus and other important Gram-positive poultry pathogens.

While no single product replaces a comprehensive health management program, Parasitrol provides producers with a natural, water-administered option backed by meaningful technical data and practical field applicability.

If you're looking for a way to support flock performance during periods of disease pressure, Parasitrol deserves a closer look.

Interested in learning more about Parasitrol for your poultry operation? Contact us today to discuss how it can fit into your flock health program.