How much grain to feed a horse is a crucial aspect of equine care, affecting their health, performance, and overall well-being. Different horse types, ages, activity levels, and even health conditions demand tailored feeding plans. This comprehensive guide delves into the complexities of grain feeding, covering everything from calculating caloric needs to managing potential health issues.
From miniature ponies to draft giants, understanding the specific dietary requirements of each breed is key. This guide provides a breakdown of different factors influencing grain needs, along with practical tips for safe and effective feeding practices. We’ll also explore the importance of hay in the diet and how it interacts with grain.
Types of Horses and Their Dietary Needs: How Much Grain To Feed A Horse
The equine industry, despite its romanticized image, is deeply entangled in complex nutritional requirements, often obscured by marketing hype. Breed-specific needs are frequently overlooked, leading to suboptimal health and performance. This section critically examines the nuanced dietary demands of various horse types, emphasizing the importance of individualized approaches to equine nutrition.The nutritional needs of horses are not a simple equation.
Factors like age, breed, activity level, and overall health all play a critical role in determining appropriate feeding practices. Ignoring these variables can result in serious health issues, ranging from metabolic disorders to digestive problems. The industry often pushes standardized approaches that fail to address the inherent diversity of equine species, and this critical analysis aims to expose these shortcomings.
Daily Grain Needs Comparison, How much grain to feed a horse
Determining the appropriate grain intake for a horse requires careful consideration of several factors, including breed, age, and activity level. A one-size-fits-all approach is simply inadequate. The following table offers a preliminary comparison, acknowledging that these figures are estimates and should be adjusted based on individual needs.
| Horse Type | Age Range (years) | Approximate Daily Grain Needs (lbs) |
|---|---|---|
| Miniature Horse | 1-10 | 0.5-1.5 |
| Draft Horse | 2-15 | 2-4 |
| Riding Horse | 2-15 | 1-3 |
Factors Influencing Grain Requirements
Breed differences significantly impact a horse’s nutritional needs. Draft breeds, for example, require more calories to support their larger size and work output. Similarly, miniature horses have smaller metabolisms and lower energy needs compared to larger breeds. Age is also a crucial factor. Young horses, growing rapidly, need more energy than mature horses.A critical consideration is the horse’s workload and activity level.
A horse used for strenuous activities like racing or show jumping will require a higher grain intake to fuel their increased energy expenditure. Conversely, a horse with a sedentary lifestyle requires a lower grain intake to prevent weight gain and related health problems. Ignoring these distinctions can lead to imbalances in nutrient intake, potentially leading to weight-related issues and other health complications.
Nutritional Differences Between Pregnant and Lactating Mares
Pregnant mares experience a significant increase in nutrient demands to support fetal development. This elevated requirement extends to essential vitamins, minerals, and protein. Lactating mares face an even greater challenge, as they must produce milk for their offspring. This increased demand requires a carefully crafted diet that provides ample nutrients to meet both the mare’s and the foal’s needs.
Failing to address these specific needs during these critical periods can jeopardize the health of both the mare and the foal. Furthermore, improper nutrition can have long-term consequences for the foal’s development.
Factors Affecting Grain Feeding
The seemingly simple act of providing grain to a horse is riddled with complexities. Oversimplification of dietary needs, often driven by profit motives or misguided owner sentimentality, frequently leads to suboptimal health and performance. A nuanced understanding of influencing factors is crucial for equine well-being, transcending the simplistic “more is better” approach. Neglecting these variables can lead to detrimental health outcomes, including metabolic disorders, obesity, and compromised athletic potential.A horse’s dietary requirements are not static; they fluctuate based on a multitude of dynamic factors.
This necessitates a dynamic approach to grain feeding, adjusting quantities and types based on individual needs. A one-size-fits-all approach is demonstrably inadequate and potentially harmful to the horse’s health.
Impact of Age on Grain Feeding
Young foals and growing horses have different energy requirements compared to mature or senior horses. Their metabolic rates and developmental stages dictate varying needs. Insufficient grain can stunt growth, while excessive intake can lead to obesity and developmental issues. Conversely, older horses may require less grain due to reduced activity levels and metabolic changes. This necessitates a careful assessment of the horse’s age-specific requirements, which must be addressed by the owner, vet, or an experienced equine professional.
Influence of Activity Level on Grain Feeding
A sedentary horse requires significantly less grain than a high-performance athlete. The energy expenditure of a horse engaged in daily work or intense athletic competition dictates the amount of grain needed to maintain optimal performance and prevent deficiencies. A racehorse, for example, demands a much higher caloric intake than a horse used for leisurely trail rides. This variable must be factored into any grain feeding plan.
Effect of Health Conditions on Grain Feeding
Health conditions profoundly impact grain feeding recommendations. Horses with metabolic disorders, such as equine metabolic syndrome (EMS), require specialized diets to manage their insulin sensitivity and prevent further complications. Conversely, horses recovering from injuries or illnesses need carefully calculated nutritional support to aid in healing. For example, a horse with colic may have its grain intake reduced to minimize stress on the digestive system.
Professional veterinary guidance is essential when modifying a horse’s diet due to illness or injury.
Impact of Body Condition Score on Grain Feeding
Body condition scoring (BCS) provides a crucial assessment of a horse’s nutritional status. A horse with a BCS that falls outside the ideal range requires adjusted grain feeding. Overweight horses need their grain intake reduced to prevent obesity and associated health problems, while underweight horses may benefit from increased grain to support weight gain. The BCS should be monitored regularly, and grain feeding should be adjusted accordingly to maintain a healthy weight.
Impact of Hay Quality and Type on Grain Consumption
The type and quality of hay a horse consumes can influence its grain requirements. High-quality, nutrient-rich hay can reduce the need for grain, while poor-quality hay may necessitate an increased grain intake to meet the horse’s energy demands. For instance, a horse grazing on lush pasture may require less grain than one relying on low-quality hay. Careful consideration of hay quality is paramount when establishing a horse’s grain feeding plan.
Table: Factors Affecting Grain Feeding Recommendations
| Factor | Young Foals/Growing Horses | Mature Horses | Senior Horses | High-Performance Horses | Sedentary Horses | Horses with Health Conditions |
|---|---|---|---|---|---|---|
| Age | Calorie-dense grain, smaller portions | Moderate grain intake, balanced diet | Reduced grain intake, emphasis on quality | Higher grain intake, adjusted for activity | Minimal grain intake | Adjusted based on specific condition |
| Activity Level | Energy needs fluctuate with growth | Needs vary with daily work | Reduced activity, less energy needs | High energy needs | Low energy needs | Energy needs adjusted for recovery |
| Health Conditions | Growth may be impacted | Metabolic and digestive needs vary | Reduced digestion, nutrient absorption | Performance may be impacted | Basic needs are important | Specific dietary plans required |
Calculating Daily Caloric Needs
Daily caloric needs are calculated using the following formula: Caloric Needs = (Weight in kg x Activity Factor) + Maintenance Needs
The activity factor varies based on the horse’s work intensity and level of exercise. Breed-specific data can further refine these estimates. For example, a 500 kg horse performing heavy work (Activity Factor = 2) might require approximately 20000 calories per day.
Types of Grain and Their Nutritional Value
The insidious influence of the grain industry on equine nutrition is undeniable. While proponents claim balanced rations, a critical examination reveals a complex web of potential benefits and pitfalls. The choice of grain, often dictated by profit margins rather than equine well-being, warrants careful scrutiny. Horses, like all livestock, are vulnerable to the manipulation of feed producers.
The nutritional value of grains, far from a straightforward equation, is fraught with complexities.
Comparative Nutritional Content of Common Grains
The nutritional makeup of different grains varies significantly. A comparative analysis is crucial to understand the implications for equine health. The following table presents a snapshot of common grains used in horse feed, highlighting key nutritional components. This data, however, should be viewed with a critical eye, as nutritional content can fluctuate based on factors such as growing conditions and processing methods.
| Grain | Calories (kcal/kg) | Crude Protein (%) | Fiber (%) | Fat (%) |
|---|---|---|---|---|
| Corn | 3500 | 8 | 2 | 4 |
| Oats | 2800 | 10 | 10 | 5 |
| Barley | 3200 | 12 | 8 | 3 |
| Wheat | 3400 | 14 | 10 | 3 |
Potential Benefits and Drawbacks of Different Grains
Different grains offer distinct advantages and disadvantages. Corn, for instance, is high in energy but relatively low in fiber. This can lead to digestive issues if not balanced appropriately with other feedstuffs. Oats, conversely, provide a more balanced nutritional profile, contributing to better digestive health. The choice is not always about maximizing one nutrient but achieving a balanced intake.
Excessive reliance on any single grain type can lead to nutritional deficiencies.
Role of Vitamins and Minerals in Horse Diets
Vitamins and minerals are essential for maintaining optimal equine health. These nutrients are not always adequately supplied by grains alone. Horses require a diverse diet to meet their vitamin and mineral needs. Supplementation might be necessary, particularly for specific breeds or horses with specific needs. Failure to consider these critical factors can lead to unforeseen health complications.
Choosing Appropriate Grain Blends for Different Needs
Developing a tailored grain blend is crucial for addressing individual horse needs. Factors such as age, activity level, and health conditions must be considered. A young, rapidly growing horse will have different needs than a senior, less active animal. A blend designed for a high-performance horse will differ significantly from one for a sedentary horse. The selection process should not be driven by marketing strategies but by a comprehensive understanding of equine physiology.
Grain Feeding Schedules and Practices
The seemingly simple act of feeding grain to a horse is fraught with potential pitfalls, often overlooked by those lacking a critical understanding of equine nutrition. A rigid, poorly-conceived feeding schedule can lead to imbalances, hindering performance and potentially jeopardizing the horse’s health. This section will dissect the critical aspects of grain feeding schedules, emphasizing the importance of careful consideration and responsible implementation.A standardized, precisely-timed feeding schedule is crucial for maintaining optimal digestive health and preventing metabolic disorders.
The specific details of this schedule, however, must be tailored to each horse’s individual needs, rather than blindly following a one-size-fits-all approach.
Sample Daily Feeding Schedule for a Horse
A sample schedule, while illustrative, should be adjusted based on factors such as the horse’s workload, age, breed, and overall health. Overfeeding, regardless of schedule, is a significant risk.
- Breakfast (7:00 AM): A portion of grain (e.g., 1-2 pounds of a balanced feed) mixed with a small amount of hay or beet pulp. This provides sustained energy throughout the morning and supports digestive function.
- Mid-morning Snack (11:00 AM): A small handful of grain (e.g., 0.5-1 pound) with water. This prevents energy crashes and provides a sustained release of nutrients.
- Lunch (3:00 PM): A portion of hay or grass, supplemented by a concentrated grain mixture (e.g., 1-2 pounds). This promotes balanced nutrient intake and encourages rumination.
- Evening Feeding (7:00 PM): A similar feeding schedule to breakfast, combining grain and forage. This prevents digestive issues and ensures a balanced nutrient profile throughout the day. Avoid feeding immediately before bed to prevent colic.
Gradual Adjustments to Grain Feeding
Sudden shifts in grain type or quantity can induce digestive upset, potentially causing colic or other acute health problems. The introduction of new grains or increased portions should be meticulously and progressively implemented.
- Incremental Increases: Gradually increasing the amount of grain over a period of several days (e.g., 1-2 weeks) allows the horse’s digestive system to adapt to the new feeding regime.
- Monitoring for Signs of Distress: Carefully observe the horse for any signs of discomfort, such as colic, diarrhea, or changes in appetite. If any adverse reactions occur, reduce the grain intake immediately and consult a veterinarian.
- Gradual Transition of Grain Types: If changing grain types, introduce the new grain gradually by mixing it with the old grain in increasing proportions. This allows for a smooth transition and reduces the risk of digestive upset.
Risks of Overfeeding Grain
Overfeeding grain, a common error, can lead to a cascade of adverse effects.
- Laminitis: Excess grain intake, particularly in horses predisposed to metabolic disorders, can induce laminitis, a painful and debilitating condition affecting the hooves. The inflammation damages the sensitive tissues of the foot.
- Obesity: Excessive grain intake often leads to obesity, placing additional stress on joints and increasing the risk of various musculoskeletal problems. The excess energy is not always utilized for work and is stored as fat.
- Metabolic Imbalances: Overfeeding can disrupt the horse’s metabolic balance, leading to conditions like insulin resistance, which can have long-term consequences for health and performance. This can manifest as excessive weight gain, or as a lack of expected performance.
Monitoring Weight and Body Condition
Regular monitoring of weight and body condition is essential for adjusting grain intake.
- Visual Assessment: A visual assessment using the body condition scoring system (BCS) is a practical method. This scoring system evaluates the horse’s body fat and muscle mass by evaluating the degree of fat covering the ribs, spine, and other areas. A BCS score of 5-6 is generally considered ideal for most horses.
- Weighing: Weighing the horse regularly allows for precise measurements of weight changes. This is particularly important when making adjustments to the grain intake to achieve the ideal body weight.
- Professional Guidance: Consult a veterinarian or equine nutritionist for guidance on adjusting grain feeding strategies based on the observed weight and body condition. These professionals can help tailor a plan that is best suited for the individual horse’s needs.
Grain-Related Health Concerns and Management
The seemingly straightforward practice of feeding grain to horses can become a minefield of potential health issues if not meticulously managed. The industry’s often-lax approach to equine digestive systems and the lucrative nature of grain sales frequently overshadow the crucial need for careful consideration and proactive monitoring. This often results in preventable health problems, placing a financial and emotional burden on horse owners.The indiscriminate use of grain can lead to a cascade of digestive disorders, exacerbate pre-existing conditions, and even trigger allergies, highlighting the critical importance of a nuanced and individualized approach to equine nutrition.
Failure to address these issues promptly can lead to significant long-term consequences for the horse’s health and welfare, underscoring the necessity for responsible grain feeding practices.
Equine Digestive Issues Exacerbated by Grain Feeding
The equine digestive system, uniquely adapted for grazing, is vulnerable to disruption when subjected to a sudden or excessive influx of grain. Horses evolved to consume large quantities of fibrous forage, and rapid shifts to a grain-heavy diet can lead to colic, impaction, and other serious digestive complications. This is particularly true for horses with pre-existing digestive sensitivities.
Furthermore, grain feeding can exacerbate existing ulcers or contribute to the development of new ones, impacting the overall health of the horse.
Common Grain Allergies and Sensitivities in Horses
Horses, like humans, can exhibit allergic reactions to certain grains. Reactions may manifest as skin irritation, respiratory distress, or gastrointestinal upset. The most common culprits include oats, barley, and corn. Furthermore, some horses display sensitivities to specific proteins within grains, resulting in varying degrees of discomfort and impacting their overall well-being. Recognizing these sensitivities is crucial for maintaining the horse’s health and preventing severe reactions.
Recognizing and Addressing Signs of Digestive Upset in Grain-Fed Horses
Early detection and prompt intervention are paramount in managing grain-related digestive issues. Owners should diligently observe their horses for any changes in their eating habits, behavior, or stool consistency. Signs like colic, diarrhea, or reluctance to eat are critical indicators that warrant immediate veterinary attention. A proactive approach, involving regular monitoring and careful adjustment of the feeding schedule and diet, can minimize the risk of severe complications.
Symptoms of Grain Overload and Underfeeding
| Condition | Symptoms |
|---|---|
| Grain Overload |
|
| Grain Underfeeding |
|
Grain overload and underfeeding represent significant deviations from optimal nutritional needs. Monitoring a horse’s response to grain is critical to preventing severe health problems. A tailored feeding regime, considering the horse’s individual needs and activity level, is essential for long-term well-being.
Supplementation and Grain Blends
The often-overlooked practice of supplementing equine diets with specific nutrients or crafted grain blends is not merely a luxury, but a frequently necessary component of responsible horse ownership. This practice can be crucial for maintaining optimal health, particularly in cases where a horse’s diet is deficient in essential vitamins, minerals, or other crucial components. A critical approach to supplementation demands careful consideration of individual needs and potential risks, moving beyond a simplistic “more is better” philosophy.The modern approach to horse nutrition demands a nuanced understanding of the individual needs of each animal.
Blindly following generic feeding guidelines can lead to imbalances and, in some cases, exacerbate existing health problems. Careful analysis of a horse’s specific dietary requirements is essential, with supplementation serving as a tool for achieving optimal health rather than a band-aid solution for underlying issues.
Importance of Supplemental Feed
Supplementation is vital for horses with specific nutritional deficiencies, or for those undergoing periods of high stress or strenuous activity. The importance lies in ensuring that these animals receive the precise amounts of vitamins and minerals necessary for maintaining their well-being. Ignoring these needs can lead to a cascade of health problems, from subtle metabolic imbalances to more serious conditions.
Proper supplementation is often the difference between maintaining health and succumbing to preventable ailments.
Formulating Grain Blends
Crafting balanced grain blends necessitates a thorough understanding of the nutritional profile of each grain component. A poorly formulated blend can introduce unwanted imbalances and potentially harm the horse. Formulating these blends requires an understanding of the specific needs of the horse, such as age, activity level, and any existing health conditions. This should not be approached casually; rather, it requires a precise calculation of the necessary ingredients to ensure the blend effectively addresses the horse’s specific needs.
Determining Supplemental Needs
Determining the need for supplemental feed requires a comprehensive assessment of the horse’s diet and health status. This assessment involves analyzing the composition of the horse’s current feed and evaluating the horse’s overall health condition. A qualified veterinarian or equine nutritionist should be consulted to create a personalized dietary plan. Blindly supplementing can be detrimental, thus, expert guidance is crucial.
Simply observing weight fluctuations, or the presence of specific symptoms, may not provide sufficient insight. An in-depth analysis of the horse’s diet and overall health condition is paramount to determining supplementation requirements.
Comparison of Grain Supplements
| Supplement Type | Potential Effects on Equine Health | Considerations |
|---|---|---|
| Vitamin E | Supports immune function, muscle health, and antioxidant protection. Important for horses in high-stress situations or during pregnancy. | Can be over-supplemented, leading to potential toxicity. Dosage should be tailored to individual needs. |
| Calcium | Crucial for bone development and maintenance. Important for growing horses and pregnant mares. | Should be balanced with other minerals to prevent imbalances. Excess can lead to digestive upset. |
| Electrolytes | Essential for maintaining fluid balance and muscle function, particularly during strenuous exercise. | Individual needs vary depending on the horse’s activity level. Important for horses participating in endurance events. |
| Prebiotics and Probiotics | Can improve digestive health and nutrient absorption. | Effectiveness may vary between horses. Consider consulting a veterinary professional. |
The table above highlights the potential benefits and considerations of common grain supplements. It is crucial to recognize that the effects and required dosages can vary significantly between individual horses. A tailored approach, guided by veterinary advice, is essential. Generic recommendations are insufficient; each horse requires a personalized strategy.
Monitoring and Adjusting Grain Intake
The seemingly straightforward task of feeding grain to horses can quickly descend into a minefield of mismanagement if not approached with meticulous attention to detail. The arbitrary and often poorly justified decisions regarding grain rations frequently lead to preventable health issues and unnecessary financial burdens on horse owners. A critical and data-driven approach is essential to ensure the equine’s well-being and prevent potential problems.A crucial element in managing grain intake is the consistent monitoring of the horse’s physical condition.
This transcends a superficial visual assessment and demands a comprehensive understanding of the animal’s overall health. Ignoring subtle changes in body condition can lead to serious consequences, such as weight gain, obesity, or, conversely, emaciation.
Assessing Overall Health
Accurate assessment of a horse’s physical condition is paramount to determining the appropriate grain feeding strategy. A simple visual inspection, combined with more rigorous measurements, is critical. A trained eye can identify potential issues, such as muscle wasting or excess fat accumulation.
Determining Optimal Body Condition Score
A standardized body condition scoring system is essential. These systems typically use a numerical scale (e.g., 1-9 or 1-5), where each number correlates to a specific physical characteristic. This objective measure allows for consistent evaluation and enables adjustments to the grain ration over time. A critical aspect is understanding the nuances of each score. For example, a score of 3 might indicate a healthy horse in optimal condition, while a score of 1 could signal severe malnutrition.
Monitoring Weight Gain or Loss
Weight fluctuations are a crucial indicator of the effectiveness of the current grain feeding strategy. Regular weighing, ideally weekly, is recommended. Any significant weight gain or loss necessitates immediate investigation and adjustment of the grain ration. Changes in weight can signal imbalances in the horse’s metabolism, disease, or other factors that affect the horse’s needs.
Calculating Daily Grain Portions
Daily grain portions are not a one-size-fits-all calculation.
Calculating daily grain portions requires considering several factors. These factors include the horse’s age, breed, activity level, and overall health status. A crucial factor often overlooked is the horse’s current body condition score. This score should guide the calculations and allow for a precise determination of the required daily grain allowance. Using a pre-determined formula is a potentially misleading simplification.
The feeding regimen must be customized to the horse’s unique needs and activity level.
Example Calculation
A 1000-pound horse with a moderate activity level (e.g., light riding) and a body condition score of 5 might require approximately 2 pounds of grain daily. Conversely, a 1200-pound horse with a high activity level (e.g., daily strenuous exercise) and a body condition score of 4 might require up to 3 pounds of grain. These figures are illustrative only and should be adjusted based on the individual horse’s response and health status.
These examples underscore the need for individualized care and the limitations of generalized recommendations.
Safe Grain Storage and Handling
The seemingly simple act of storing and handling horse feed can become a breeding ground for problems, if not approached with meticulous attention to detail. Neglecting proper procedures can lead to significant health risks for equine athletes, and ultimately, financial burdens for owners. This critical aspect of equine husbandry demands a proactive and informed approach, moving beyond the basic requirements to prevent contamination, spoilage, and associated risks.
Proper Storage Procedures
Maintaining the quality of grain is paramount for optimal equine nutrition. Improper storage leads to a decline in nutritional value, potentially rendering the feed less effective and potentially harmful. Ideal storage conditions include cool, dry, and well-ventilated areas, shielded from direct sunlight and moisture. This necessitates choosing appropriate storage containers that are airtight and rodent-proof. Failing to address these factors results in mold, insect infestation, and a decrease in nutrient content, compromising the health of the animal.
Cleanliness of Feeding Equipment
Maintaining clean feeding equipment is essential to prevent the spread of disease and contamination. Regular cleaning and disinfection of feeders, buckets, and troughs are vital. Neglecting this fundamental aspect can introduce pathogens and toxins into the feed, jeopardizing the equine’s health. Contamination risks can escalate, particularly with the presence of mold, mildew, or other microorganisms.
Safe Grain Handling Practices
Safe handling procedures mitigate the risks associated with dust inhalation and other potential hazards. Handling grain in a well-ventilated area is crucial, especially for horses prone to respiratory issues. Minimizing dust exposure through proper handling techniques, like using appropriate equipment and avoiding excessive agitation, is essential. Furthermore, proper personal protective equipment, such as masks and gloves, should be considered for individuals handling large quantities of grain.
Table of Common Storage and Handling Mistakes and Consequences
| Mistake | Potential Consequences |
|---|---|
| Storing grain in damp or poorly ventilated areas | Increased risk of mold growth, mycotoxin contamination, and reduced nutritional value. This can lead to equine health issues like respiratory problems, digestive upsets, and immune system suppression. |
| Using unclean or inadequately cleaned feeding equipment | Introduction of pathogens and contaminants into the feed, resulting in digestive problems, infections, and potentially serious health complications. |
| Failing to use appropriate protective gear during handling | Exposure to grain dust, leading to respiratory issues like asthma and allergies in both the horse and the handler. This is particularly concerning for horses with pre-existing respiratory conditions. |
| Storing grain near sources of moisture or pests | Attracting rodents, insects, and other pests, contaminating the grain and potentially spreading disease. This can also damage the grain’s quality. |
| Using improperly sealed or damaged storage containers | Allowing moisture, pests, and contaminants to enter the grain, leading to spoilage, reduced nutritional value, and potential health risks for the horse. |
Last Point
In conclusion, feeding the right amount of grain to your horse is paramount to their health and happiness. By considering breed, age, activity, and health status, you can tailor a feeding regime that supports their specific needs. This guide provides a solid foundation for responsible grain feeding, empowering you to make informed decisions that benefit your equine companion.
Remember, consistency and careful monitoring are key.
FAQ Section
What’s the best way to calculate my horse’s daily grain needs?
Calculating daily grain needs involves considering factors like weight, activity level, and breed. Consult a vet or equine nutritionist for personalized recommendations, as breed-specific needs vary significantly.
How often should I feed my horse grain?
Frequency depends on the horse’s individual needs and activity level. A general guideline is 2-3 feedings per day, but adjustments are often necessary.
Can I just give my horse grain all day long?
No, leaving grain out all day can lead to overeating, digestive issues, and weight gain. Stick to a structured feeding schedule.
What are some common grain allergies in horses?
Common grain allergies in horses include corn, oats, and barley. Pay close attention to your horse’s reactions and consult a vet if you suspect an allergy.