Purina Calf Milk Replacer Mixing Instructions: A Comprehensive Guide
Purina calf milk replacers offer balanced nutrition for optimal growth. Proper mixing is crucial, utilizing ratios like 22:20 or 24:20 protein to fat.
Accurate measurements,
whether by weight or volume, are essential for calf health and performance.

Understanding Calf Milk Replacer Basics
Calf milk replacer is a vital substitute when a cow’s colostrum or milk isn’t sufficient for a newborn calf’s needs. It’s formulated to mimic the nutritional composition of maternal milk, providing essential proteins, fats, vitamins, and minerals crucial for early development and a robust immune system.
Understanding the protein and fat content is key – formulas like Purina’s 22:20 contain 22% protein and 20% fat, while the 24:20 offers a higher protein level. These ratios directly impact growth rates and overall calf health. Proper hydration is also paramount; milk replacer is typically mixed with water to create a palatable and easily digestible liquid feed.
Choosing the right replacer depends on factors like calf breed, age, and environmental conditions; Always prioritize a complete and balanced formula to ensure the calf receives all necessary nutrients for a strong start in life. Accurate mixing, as detailed in Purina’s instructions, is non-negotiable for optimal results.

Why Use Purina Calf Milk Replacer?
Purina Calf Milk Replacer provides a consistent and reliable nutritional source, particularly valuable when a cow’s own milk is unavailable or insufficient. It’s designed to support optimal growth, frame development, and muscle building in young calves, regardless of weather conditions. Purina formulas, like the 22:20 All Milk and 24:20 options, offer balanced protein and fat levels tailored to different calf needs.
Using a replacer ensures calves receive a predictable nutrient intake, minimizing the risk of deficiencies that can hinder development. Purina’s medicated formulas also offer protection against common calfhood diseases, promoting overall health and reducing mortality rates.
Furthermore, Purina simplifies feeding management, offering clear mixing instructions and consistent product quality. This allows producers to focus on other essential aspects of calf care, confident that their animals are receiving the nutrition they need to thrive. Consistent feeding rates of around 1.5lbs per day are recommended.
Types of Purina Calf Milk Replacers Available
Purina offers a range of calf milk replacers designed to meet diverse needs. Purina All-Milk 22-20 Non-Medicated is a complete formula featuring 22% protein and 20% fat, ideal for general calf rearing and supporting growth in all conditions. It’s a versatile option for farms prioritizing a non-medicated approach;
For operations seeking disease protection, Purina 24:20 Calf Milk Replacer ⸺ Medicated provides the same balanced nutrition with the addition of medication to combat common calfhood illnesses. Purina 24:20 Calf Medicated Milk Replacer is another medicated option, also boasting a 24% protein and 20% fat content, promoting robust development.
These formulas are available in various bag sizes, including 25lb and 50lb options, catering to different farm scales. Choosing the right replacer depends on your herd’s health status and management preferences, but all Purina options aim for optimal calf performance.
Purina All-Milk 22-20 Non-Medicated
Purina All-Milk 22-20 Non-Medicated calf milk replacer is a widely trusted choice for producers prioritizing a drug-free rearing system. This formula delivers a balanced 22% protein and 20% fat content, crucial for supporting healthy growth, frame development, and muscle building in young calves. It’s suitable for all weather conditions and calf sizes, offering consistent performance.
Accurate mixing is paramount when using this replacer. A recommended feeding rate is 1.5 lbs of powder daily, but this should be adjusted based on individual calf needs and weight. Proper dissolution ensures the calf receives the full nutritional benefits. Weighing the powder is more accurate than volume measurements for consistent results.
This replacer is available in 25lb bags, making it convenient for smaller operations or trial use. Remember to always follow the recommended powder-to-water ratio for optimal calf health and performance.
Purina 24:20 Calf Milk Replacer ⏤ Medicated
Purina 24:20 Calf Milk Replacer ⏤ Medicated provides a robust nutritional foundation with the added benefit of medication to aid in preventing common calfhood diseases. Featuring 24% protein and 20% fat, this formula supports vigorous growth, strong muscle development, and overall health in young calves, even under challenging conditions.
Like the non-medicated version, precise mixing is vital. A daily feeding rate of 1.5 lbs of powder is generally recommended, but adjustments based on calf weight and individual needs are crucial. Accurate weighing of the powder ensures consistent nutrient delivery. Proper mixing guarantees complete dissolution, maximizing nutritional uptake.
Available in 50lb bags, this option is ideal for larger herds. Always adhere to the specified powder-to-water ratio to maintain the replacer’s effectiveness and promote optimal calf well-being. Follow withdrawal times for the medication as directed.
Purina 24:20 Calf Medicated Milk Replacer
Purina 24:20 Calf Medicated Milk Replacer is a complete and balanced formula designed to support optimal growth and performance in young calves, while also providing a medicated component to help manage common calfhood illnesses. This replacer boasts a 24% protein and 20% fat content, crucial for building strong muscle and ensuring healthy development, regardless of weather or frame size.
Consistent and accurate mixing is paramount for maximizing the benefits of this product. A recommended feeding rate is 1.5 lbs per day, but this should be adjusted based on the calf’s weight and individual requirements. Weighing the powder, rather than using volume measurements, is highly encouraged for precision.
Ensure thorough dissolution to prevent digestive upset and maximize nutrient absorption. Always follow medication withdrawal guidelines as specified on the product label. This formula supports calves in all conditions, promoting robust health and growth.
Essential Equipment for Mixing
Successfully preparing Purina calf milk replacer requires specific equipment to ensure accuracy, hygiene, and efficiency. A reliable scale is paramount; weighing powder guarantees precise mixing ratios, far superior to volume-based measurements. Clean mixing buckets, preferably made of food-grade plastic, are essential to prevent contamination and ensure the replacer’s safety.
A thermometer is crucial for verifying the final milk temperature before feeding – ideally around 105°F (40;6°C) for optimal calf digestion and nutrient absorption. A stirring device, such as a whisk or mechanical mixer, aids in complete dissolution of the powder, preventing clumping and ensuring a homogenous mixture.
Access to a source of clean, potable water is non-negotiable. Finally, having appropriate feeding equipment, like nipples or buckets, readily available streamlines the feeding process. Maintaining cleanliness of all equipment is vital for preventing bacterial growth and safeguarding calf health.
Water Quality and Temperature
The foundation of excellent calf milk replacer is, surprisingly, the water used. Water quality is paramount; it must be clean, potable, and free from contaminants like bacteria, algae, and excessive minerals. Using well water? Regular testing is highly recommended to ensure its suitability. Chlorine levels should be within acceptable limits, as high concentrations can interfere with nutrient absorption.
Equally important is water temperature. Purina recommends a final milk replacer temperature of approximately 105°F (40.6°C). This temperature mimics the natural warmth of maternal milk, encouraging calves to drink readily and aiding in optimal digestion. Using water that is too cold can cause digestive upset, while excessively hot water can scald the calf’s mouth and esophagus.
Always use a reliable thermometer to verify the temperature before feeding. Adjust water temperature accordingly to achieve the desired final product temperature after mixing with the replacer powder.

Calculating the Correct Mixing Ratio
Achieving the correct mixing ratio is vital for providing calves with the necessary nutrients for healthy growth. Purina formulas, like the 22:20 and 24:20, specify a powder-to-water ratio. Accuracy is key, and using either weight or volume measurements is acceptable, but consistency is crucial.
Generally, a common guideline is approximately 0;75 pounds of powder mixed with water to create 2.3 quarts of milk replacer. However, this can vary slightly depending on the specific product and calf’s needs. Always refer to the product label for the manufacturer’s recommended ratio.
Weight measurements are generally more accurate than volume, as powder density can fluctuate. Using a scale ensures a consistent amount of powder per batch. Regardless of the method, meticulous measurement prevents under or over-concentration, both of which can negatively impact calf health and development.
Using Weight vs. Volume Measurements
When mixing Purina calf milk replacer, choosing between weight and volume measurements impacts accuracy. While both methods are usable, weight is consistently more precise. Calf milk replacer powder density can vary, meaning a ‘cup’ of powder isn’t always the same weight.

Using a scale eliminates this variability, ensuring each batch contains the correct amount of solids. This is particularly important for consistent nutrient delivery and optimal calf growth. Volume measurements, using cups or scoops, are convenient but prone to error due to packing and leveling inconsistencies.
For critical applications, or when precise nutrition is paramount, weighing the powder is highly recommended. Always prioritize the manufacturer’s instructions; if they specify weight, adhere to that method. Regardless of your choice, maintain consistency to avoid fluctuations in the final product’s concentration.
Specific Mixing Instructions for Different Purina Formulas
Purina offers various calf milk replacers, each with unique mixing requirements. Purina All-Milk 22:20, a non-medicated option, supports growth with 22% protein and 20% fat. Purina 24:20, available in both medicated and non-medicated versions, provides a higher protein level for enhanced performance.
Accurate mixing is vital for each formula. Generally, 1.5 lbs of powder supports daily feeding, regardless of the 22:20 or 24:20 variant. However, specific powder-to-water ratios differ. For a 100lb calf needing 2 quarts twice daily, approximately 1.5 cups of powder per 2 quarts is a common starting point, but always verify.

Refer to the product label for precise instructions, as formulations can evolve. Consistent adherence to the recommended ratios ensures calves receive the intended nutritional benefits, promoting healthy development and minimizing digestive upset.
Mixing Purina 22:20 All Milk Calf Milk Replacer
Purina 22:20 All Milk is a complete, balanced formula designed for optimal calf growth, featuring 22% protein and 20% fat. Achieving the correct mix is crucial for maximizing its benefits. A general guideline suggests using approximately 1.5 lbs of powder daily, adjusted based on calf weight and needs.
For accurate mixing, weighing the powder is preferred over volume measurements. A common ratio involves combining the powder with water to achieve a final volume of around 2.3 quarts per calf, twice daily. This translates to roughly 0;75 pounds of powder per 2.3 quarts of water;
Ensure thorough dissolution to prevent clumping and ensure consistent nutrient delivery. Water temperature should be around 105°F (40.6°C) for optimal mixing and palatability. Always consult the product label for the most up-to-date and specific instructions.
Recommended Powder to Water Ratio (22:20)
For Purina 22:20 All Milk calf milk replacer, a precise powder-to-water ratio is vital for optimal calf health and development. While variations can occur based on specific needs, a commonly recommended ratio is approximately 0.75 pounds of powder to 2.3 quarts of water, administered twice daily per calf.
Alternatively, some sources suggest using 1 ½ cups of powder per 2 quarts of water. However, weighing the powder provides greater accuracy than volume measurements. Consistent adherence to the recommended ratio ensures the calf receives the correct concentration of protein, fat, and essential nutrients.
Remember to always prioritize weighing the powder for precise mixing. Proper dilution is crucial; too little powder results in nutrient deficiency, while too much can cause digestive upset. Refer to the product packaging for the most current and specific guidelines from Purina.
Mixing Purina 24:20 Calf Milk Replacer (Medicated & Non-Medicated)

Purina 24:20 Calf Milk Replacer, whether medicated or non-medicated, provides a complete and balanced formula with 24% protein and 20% fat to support robust calf growth. Consistent mixing is paramount for delivering optimal nutrition. A general guideline suggests using 1.5 lbs of powder daily to support calves in various weather conditions and promote frame and muscle development.
For accurate preparation, weigh the powder rather than relying on volume measurements. While specific ratios can vary, aiming for a consistent concentration is key. Ensure thorough mixing to prevent clumping and guarantee uniform distribution of nutrients. The medicated version offers added protection against common calfhood diseases.
Always consult the product label for the most up-to-date instructions and adjust feeding amounts based on individual calf needs and weight. Proper mixing ensures the calf receives the intended benefits of this high-quality milk replacer.
Recommended Powder to Water Ratio (24:20)
For Purina 24:20 Calf Milk Replacer, achieving the correct powder-to-water ratio is vital for optimal calf health and growth. A commonly recommended ratio, based on available information, is approximately 0.75 pounds of powder mixed with water to create 2.3 quarts of finished milk replacer. This translates to a concentrated solution delivering the intended 24% protein and 20% fat content;
However, it’s crucial to emphasize the importance of weighing the powder for accuracy. Volume measurements can be inconsistent. Always refer to the specific instructions printed on your bag of Purina 24:20, as slight variations may exist. Consistent adherence to the recommended ratio ensures the calf receives the appropriate nutrient density.
Properly mixed replacer should be delivered to the calf at around 105 degrees Fahrenheit. Maintaining this ratio and temperature supports digestion and maximizes the benefits of the replacer.
Feeding Amounts Based on Calf Weight
Determining the appropriate feeding amount is crucial for healthy calf development, directly correlating with their body weight. Calves under 100 lbs generally require around 2 quarts of milk replacer twice daily. This provides sufficient nutrients for initial growth and immune system support.
For calves weighing approximately 100 lbs, maintaining the 2-quart, twice-daily feeding schedule is often adequate, though monitoring individual calf appetite is essential. Adjustments may be needed based on environmental conditions and overall health.
Calves exceeding 100 lbs may benefit from slightly increased amounts, potentially up to 2.5-3 quarts per feeding, twice daily. A general guideline suggests 1.5 lbs of powder per day supports calves of all sizes, but precise amounts should be tailored to individual needs and the specific Purina formula used. Consistent monitoring of weight gain and stool consistency is recommended.
Calf Weight: Under 100 lbs
For newborn to smaller calves under 100 lbs, careful attention to feeding amounts is paramount for establishing a healthy start. Typically, these calves require approximately 2 quarts of properly mixed Purina calf milk replacer per feeding, administered twice daily. This provides a balanced intake of protein, fat, and essential nutrients crucial for early development.
Using the 22:20 or 24:20 formula, ensure accurate powder-to-water ratios are followed, aiming for consistent quality with each feeding. A common recommendation is 0.75 pounds of powder mixed with water to create 2.3 quarts of milk replacer.

Monitoring the calf’s appetite and overall condition is vital. Adjustments to the amount may be necessary based on individual needs and environmental factors. Consistent, appropriate feeding supports optimal growth, immune function, and overall well-being during this critical phase.
Calf Weight: Around 100 lbs
Calves weighing approximately 100 lbs represent a transitional growth stage, requiring adjusted feeding amounts to support continued development. Maintaining a consistent intake of 2 quarts of milk replacer, twice daily, remains a good starting point, but observation is key.
With Purina’s 22:20 or 24:20 formulas, ensure precise mixing. A guideline suggests using around 1.5 lbs of powder daily, which translates to approximately 0.75 pounds of powder per 2.3 quarts of water, per calf, per feeding. Accurate weighing of the powder is crucial for consistent nutrient delivery.
Monitor the calf’s body condition and adjust the amount slightly if needed. Increased appetite may indicate a need for a small increase, while decreased appetite warrants investigation. Proper nutrition at this stage lays the foundation for future growth, muscle development, and overall health.
Calf Weight: Over 100 lbs
For calves exceeding 100 lbs, nutritional needs continue to increase to support robust growth and development. While 2 quarts twice daily served as a baseline for smaller calves, larger individuals may benefit from slightly increased volumes.
Continue utilizing Purina’s 22:20 or 24:20 formulas, maintaining the recommended powder-to-water ratios. However, consider gradually increasing the total daily amount of milk replacer, potentially up to 2.5-3 quarts per feeding, twice a day, depending on the calf’s appetite and body condition.
Consistent monitoring remains vital. Observe the calf’s weight gain, muscle development, and overall health. Adjust the feeding amount incrementally, ensuring the calf is receiving adequate nutrition without overfeeding. Remember, 1.5 lbs of powder daily is a general guideline, and individual needs may vary.
Mixing Instructions – Step-by-Step Guide
Begin by gathering your essential equipment: a clean bucket, accurate scale (preferred), or measuring cup, and a source of clean, appropriately tempered water. Carefully measure the required amount of Purina calf milk replacer powder – weighing is more precise than volume measurements.
Slowly add the powder to the water while stirring continuously. This prevents clumping and ensures even distribution. Continue stirring vigorously until the powder is completely dissolved, leaving no visible particles. A smooth, homogenous mixture is the goal.
Once dissolved, immediately check the temperature using a clean thermometer. The ideal temperature for feeding is around 105°F (40.6°C). Adjust as needed – adding cool water if too hot, or warm water if too cold. Feed immediately for optimal nutritional value.
Ensuring Proper Dissolution
Complete dissolution of Purina calf milk replacer powder is paramount for optimal calf health. Undissolved particles can lead to digestive upset and reduced nutrient absorption. Begin by adding the powder to water gradually, not all at once, while stirring constantly.
Vigorous stirring is key. Use a clean, dedicated mixing tool to ensure thorough blending. Continue stirring for several minutes, even after the powder appears dissolved, to break up any potential clumps. Inspect the mixture closely – it should be smooth and uniform in consistency;
If clumping persists, consider using warmer water (within the recommended temperature range) to aid dissolution. Avoid overheating, as this can denature proteins. A fully dissolved mixture will appear milky and free of any visible powder residue, guaranteeing maximum nutritional benefit for the calf.
Temperature Check Before Feeding
Accurate temperature is critical when feeding Purina calf milk replacer. Calves thrive on consistent warmth, but excessive heat can damage vital proteins and discourage intake. Ideally, the mixed replacer should reach 105°F (40.6°C) before delivery.
Utilize a clean, calibrated thermometer to verify the temperature. Do not rely on touch, as this is subjective and unreliable. Insert the thermometer into several locations within the mixture to ensure even heating. Consistent temperature throughout is essential for optimal digestion.
If the mixture is too cold, gently warm it further, stirring continuously. Avoid microwave heating, as it can create hot spots. If too hot, add a small amount of cool water and re-check. Delivering milk replacer at the correct temperature promotes comfort, encourages consumption, and supports healthy calf development.
Feeding Frequency and Schedule
Establishing a consistent feeding schedule is paramount for healthy calf development when using Purina milk replacer. Newborn calves require frequent, smaller meals to mimic natural nursing patterns. A common starting point is two feedings per day, approximately 12 hours apart.
For the first few days, offer 2 quarts of properly mixed replacer per feeding for a 100lb calf, adjusting based on individual needs and weight. Monitor calf appetite and adjust quantities accordingly. As calves mature, you can gradually reduce feeding frequency to once daily, increasing the amount per feeding.
Consistency is key. Stick to the established schedule to promote digestive health and consistent growth. Ensure fresh, clean water is always available alongside the milk replacer. Observe calves for any signs of digestive upset and adjust the feeding plan as needed, consulting with a veterinarian if concerns arise.
Storage of Mixed Milk Replacer
Proper storage of mixed Purina calf milk replacer is critical to maintain its nutritional value and prevent bacterial growth. Once mixed, milk replacer should be used immediately for optimal calf health. However, if immediate use isn’t possible, refrigeration is essential.
Refrigerate mixed replacer at temperatures below 40°F (4°C) and use within 24 hours. Extended storage, even when refrigerated, can lead to nutrient degradation and increased risk of contamination. Discard any unused replacer after 24 hours to ensure calf safety.
Avoid freezing mixed replacer, as this can alter the protein structure and reduce its digestibility. Always thoroughly clean and sanitize mixing containers and feeding equipment to minimize bacterial contamination. Store dry milk replacer powder in a cool, dry place, tightly sealed to prevent moisture absorption and maintain its quality.
Troubleshooting Common Mixing Issues

Lumpy milk replacer is a frequent issue, often caused by adding powder too quickly or using cold water. Gradually add powder while stirring vigorously. Ensure water temperature reaches 105°F (40°C) for optimal dissolution. If lumps persist, use a blender or strainer.

Inconsistent mixing can occur with inaccurate measurements. Always use a scale for precise powder weighing, rather than relying on volume. Verify water volume using a calibrated container; Improper ratios affect nutrient concentration and calf development.
Poor dissolution might stem from old or improperly stored powder. Check the expiration date and ensure the powder is dry and free-flowing. If issues continue, contact Purina for assistance. Always prioritize a smooth, homogenous mixture to guarantee calves receive consistent nutrition and avoid digestive upset.
Contacting Purina for Specific Instructions
For personalized guidance on Purina calf milk replacer mixing, direct contact with Purina is highly recommended. Their expert team can address unique situations and provide tailored advice based on your specific formula and calf needs.
Purina’s customer service is accessible through various channels. Visit the official Purina website for a comprehensive FAQ section and contact forms. Alternatively, you can reach them via phone during business hours for immediate assistance.
When contacting Purina, be prepared to specify the exact product you’re using (e.g., 22:20 All Milk, 24:20 Medicated) and any challenges you’re encountering. Providing details about your mixing process and calf’s condition will enable them to offer the most effective solutions. Don’t hesitate to seek their expertise for optimal calf health and growth.
