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Spring Calf Health: Problems to Catch Early

Robert Malmstrom
Every spring in West Texas, there’s a point where calving is mostly behind you, and things finally start to settle down. Calves are on the ground, pairs are turned out, and after a long winter, it feels like you’ve made it through the hardest part of the season. The grass is starting to green up, cows are grazing again, and from a distance, the herd looks like it’s in good shape. This is often when producers feel like they can take a breath and let things run.
But this is also when spring calf health problems start to appear, often quietly and easy to miss at first.
Calves born in February and March go through a tough transition. They deal with changing weather, cows getting used to new grass, and more activity and exposure. These challenges can lead to respiratory issues, navel infections, and nutritional stress. Often, problems begin as small changes in behavior or performance that are easy to miss until they turn into bigger setbacks.
This is why doing a simple, focused spring calf health check is one of the best things you can do right now. Catching issues early helps protect calf health, improve growth, and prevent bigger problems later. Let’s look at why small problems matter so much in the spring and how you can stay ahead of them.

The Core Problem: Small Issues That Turn Into Big Losses

The challenge with spring calf health is that problems tend to develop gradually, not all at once.
A calf might look just a little off:
These signs are easy to overlook.
But these small signs often point to bigger underlying issues like:
If those problems aren’t caught early, they can lead to:
Early detection often makes the difference between healthy and problem calves.

Why Spring-Calved Calves Are More Vulnerable

Calves born in February and March face unique challenges in the Southern Plains.
Weather Swings
West Texas spring weather can shift quickly:
These fluctuations stress calves and weaken their immune systems.
Mud and Moisture
Spring storms create muddy conditions that increase exposure to bacteria.
This raises the risk of:
Nutritional Transition
Cows are transitioning from winter feed to spring pasture, which can lead to inconsistencies in milk production and nutrient supply.
That affects:
Increased Exposure
As calves get older, they move more and interact more:
All of this adds up to one key point: spring-born calves need close observation during this period.

Early Signs of Respiratory Problems

Respiratory disease is a common challenge in spring calf health, and it’s also easy to miss early on. In young calves, especially those born in February and March, problems like bovine respiratory disease (BRD) often begin with small changes that are easy to overlook if you’re not paying close attention. A calf might still be active, but something just seems a little off.
Early signs to watch for include:
As the condition progresses, symptoms become more obvious and harder to ignore:
These problems often show up after periods of stress, such as sudden weather changes, cold fronts, or nutritional shifts as cows move onto the spring pasture. West Texas spring weather, in particular, can create the perfect conditions for respiratory issues to develop quickly.
The key to respiratory disease in calves is early detection. Catching it in the early stages gives you a much better chance of successful treatment and helps prevent long-term impacts on growth and performance. If you want to dive deeper into the causes, treatment options, and prevention strategies, we covered them in more detail in a previous post: Tackling Bovine Respiratory Disease: What You Need to Know.
The sooner you spot issues, the better the outcome. Paying attention early can save you bigger headaches later.

Navel Infections: A Common but Preventable Issue

Navel infections quietly affect calf health early in life, often starting small but leading to serious complications if untreated.
They often start small but can lead to serious complications if left untreated.
Early signs include:
If the infection spreads, it can lead to:
These issues are often tied to:
Keeping a close eye on navels during early calf checks can prevent bigger problems later.

Nutritional Stress in Young Calves

Nutrition plays a much bigger role in early calf health and performance than many producers realize, especially during the spring transition. Even when cows appear to be in good condition and grazing well, calves can still experience nutritional stress if they aren’t getting consistent energy, protein, and mineral support through milk and early forage. This is particularly common in West Texas as cows shift from winter feed to lush spring pasture, where nutrient balance can change quickly.
Nutritional stress in young calves often manifests in subtle ways at first, but it can affect long-term growth and health if left unchecked. Some common signs include:
These problems are usually tied to underlying nutritional gaps, such as:
Remember, calves depend on the cow. Any nutritional inconsistency in the cow will quickly show up in the calf. Watching nutrition during spring grazing can reduce stress and help calves grow stronger and healthier. Even small nutritional changes now can improve performance all season.

When Should Calves Start Grazing?

Many producers don’t think about calves grazing early, but it actually starts sooner than most expect. Early grazing plays a bigger role in calf health and performance than you might realize. Even though milk is their main food, calves start exploring forage within the first few weeks of life. You’ll often see calves:
This early grazing is important because it helps jump-start rumen development, supports steady growth, and begins to supplement what they’re getting from the cow. In other words, pasture isn’t just feeding your cows—it’s already helping shape how your calves perform.
There’s another benefit that is often overlooked. Good pasture management and grazing conditions help reduce stress and lower the risk of problems like bovine respiratory disease in calves. When calves have clean, dry grazing areas with good forage, they are less likely to be exposed to mud, bacteria, and other stress that can cause respiratory problems.
But here’s the catch: if forage quality is poor or not balanced, calves may not get much benefit from early grazing. That can lead to:
That’s why pasture quality and availability are just as important for calves as for cows. When you manage grazing to provide steady, high-quality forage, you’re not just feeding your herd. You’re also helping your calves stay healthier, build stronger immunity, and perform better all season.

Practical Management Strategies

You don’t have to overhaul your entire operation to improve spring calf health in beef cattle. In most cases, a few focused management habits can go a long way toward keeping calves healthy and growing the way they should. The key is to be consistent and pay attention to the small details that often get overlooked during a busy season.
Start by making it a habit to check pairs regularly. This doesn’t take long, but it makes a big difference. Pay attention to:
These simple observations can help you catch problems early.
It’s also important to improve calving and pasture conditions whenever possible. Wet, muddy environments increase the risk of infection and stress. Even small improvements can help, such as:
Don’t forget that healthy calves start with healthy cows. If cows are struggling nutritionally, calves will feel it first. Focus on maintaining:
Finally, do what you can to reduce stress. Weather changes, handling, and unnecessary movement can all affect calf health. If something seems wrong, trust your instincts. Acting early is almost always more effective and less costly than waiting until the problem gets worse.
A little attention to these basics now can set your calves up for stronger performance all season long.

Simple Ways to Stay Ahead of Spring Calf Health Issues

When it comes to spring calf health, staying ahead of problems usually means doing the small things well and consistently. You don’t need a complicated system. Instead, take a more intentional approach to how you watch and manage your herd during this important time. Many big issues in young calves can be caught early if you know what to look for and when.
Start by walking your herd with a purpose. Instead of just checking cattle, take time to really watch them. Look for calves that don’t quite fit in with the group, such as those that are slower, less active, or not nursing as much. These are often early signs that something isn’t right.
It also helps to focus on the calves most likely to fall behind, including:
These groups tend to show health problems first, especially under stress.
Speaking of stress, keep a close eye on weather conditions. Sudden cold fronts, rain, and temperature swings are common in West Texas and can trigger problems like bovine respiratory disease in calves. Research and field observations, such as those discussed in Bovine respiratory disease: management and treatment by Vet Times, show how much environmental stress affects disease development.
Finally, don’t overlook the value of simple recordkeeping. Tracking treatments, health issues, and performance trends can help you spot patterns early and make better decisions. The goal is to be proactive, not reactive. A little extra attention now can prevent bigger problems later and help ensure a healthier, more productive calf crop.

Final Thoughts

Spring is one of the most important times to pay close attention to calf health, especially for calves born in February and March. At this stage, young calves are adjusting to changing weather, pasture conditions, and nutritional needs, which makes them more likely to face problems that can quietly affect their performance. What starts as a small problem, like reduced nursing, mild respiratory stress, or early signs of infection, can quickly become a bigger setback if it goes unnoticed. That’s why early observation is one of the most valuable tools a producer has.
The good news is that most spring calf health problems are manageable—and often preventable—when caught early. By paying attention to calf behavior, supporting proper nutrition through the cow, and watching for subtle warning signs, you can stay ahead of issues before they affect growth and development. Healthy calves early in life tend to stay on track, leading to better weight gain, stronger immunity, and fewer treatments later on.
In many cases, the difference between an average calf crop and a strong one comes down to what you catch early—not what you try to fix later. A little extra time spent checking calves now can save you time, money, and frustration down the road. This time of year, small management decisions have a big impact, and staying proactive can help set your entire herd up for a more productive and profitable season.
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