Internal Parasites

Does your deworming program align with the data?

kevin.johnson11@merck.com — Fri, 01 May 2026 00:00:00 -0400

As a cattle producer, you are constantly managing to give your herd the best chance at production, health and well-being. Unfortunately, an unseen obstacle can be working in the background to derail your efforts: internal parasites.

Liver damage from redwater disease and liver flukes

Mon, 09 Mar 2026 00:00:00 -0400

Several serious livestock diseases are caused by a group of bacteria called clostridia that can produce deadly toxins. Many cattlemen are familiar with blackleg, tetanus and enterotoxemia, but some may not be familiar with redwater.

Considerations for deworming the cow-calf herd

mark.alley@zoetis.com — Mon, 22 Dec 2025 00:00:00 -0500

As parasites continue to adapt, the cattle industry must do the same to stay ahead of them. With no new molecules on the horizon, we must take a proactive approach to our deworming programs.

Boost cattle health and performance with sustainable deworming

dl.step@boehringer-ingelheim.com — Fri, 20 Dec 2024 00:00:00 -0500

Internal parasites can dramatically alter how an animal’s immune system functions, weakening its ability to respond to preventive health protocols like vaccinations.

Who wants healthy livestock?

ckinder@uidaho.edu — Wed, 18 Sep 2024 00:00:00 -0400

In order to have healthy animals, producers must understand the normal health attributes of livestock, routinely monitor their animals and make management changes when necessary.

Summer deworming impacts cattle health and productivity

Mon, 17 Jun 2024 00:00:00 -0400

As we approach midsummer, there are important reasons to consider deworming. Almost immediately after cattle are turned out on contaminated green grass, they begin picking up parasites that can start doing damage in a very short time.

Get a handle on parasites during summer grazing

abby@agproud.com — Fri, 03 May 2024 00:00:00 -0400

Summer is here, and that means cattle are grazing, and with it, dealing with parasites. Deworming is a herd management practice that can yield a significant return on investment.

Perceptions on Cattle Parasite Resistance

Mon, 14 Aug 2023 00:00:00 -0400

A national survey¹ of beef cattle producers and beef cattle-focused veterinarians was conducted to understand awareness, experience, and level of concern about parasite resistance among producers and veterinarians. The survey also looked at parasite resistance identification, treatment plans, potential barriers and opportunities to develop parasite control strategies.

Internal parasites wreak havoc on more than growth rates

Wed, 26 Apr 2023 11:02:01 -0400

Cattle producers invest their time and resources in the best vaccination protocols and nutritional programs. However, these efforts are not fully utilized without an effective deworming strategy. Why?

The role of active ingredients in effectively managing parasites

Fri, 31 Mar 2023 00:00:00 -0400

Using parasiticides in cattle without considering the active ingredients in those products presents dangers for an operation. Using different parasiticide active ingredients can extend the effectiveness of parasite control products and play a significant role in the management of healthier cattle.

Breaking down parasite resistance

jody.wade@boehringer-ingelheim.com — Mon, 13 Feb 2023 17:24:12 -0500

You may have heard about parasite resistance before, but what makes it a topic worth talking about? Understanding the what, why and how of the issue can help to ensure your operation has a successful deworming program for many years to come.

Kill parasites, avoid resistance with combination treatment

dl.step@boehringer-ingelheim.com — Mon, 24 May 2021 14:00:01 -0400

As scientists continue to look for new parasiticides, the cattle industry must look for ways to preserve the efficacy of current and future deworming products on the market.

Strategic cattle deworming adds pounds and profit

drbliss@chorus.net — Fri, 22 May 2020 14:00:01 -0400

Parasites impact every aspect and segment of cattle production – feed conversion, immune response, milk production, reproductive performance and overall health.

Grazing strategies to manage internal parasites

janeecant@ufl.edu — Tue, 24 Mar 2020 14:00:01 -0400

Internal parasite control is part of every herd health management plan, and it should be. Animals with heavy internal parasite burdens experience weight loss, reduced feed efficiency, decreased conception rates and even death.

Is your dewormer working? The answer may surprise you

harold.newcomb@merck.com — Thu, 24 Oct 2019 14:00:01 -0400

Deworming is a widely accepted practice that can improve performance and provide considerable economic advantage.

Southeast: Proactive approaches against internal parasites

jduggin@uga.edu — Fri, 24 May 2019 14:00:01 -0400

Parasites, external or internal, are a hindrance to cattle welfare and greatly impact productivity. Last month we focused on horn flies. The ones we don’t see as easily, the internal kind, are just as challenging, if not more so.

Is feed-through deworming right for you?

ataylor@provimi-na.com — Tue, 12 Mar 2019 18:27:21 -0400

When working with producers, one of the biggest problems or concerns that I hear is the lack of good help. This problem with labor has become glaringly obvious not just in the agriculture sector, but in general – good help is hard to find.