Farm & Ranch
[AgriLife Today] AgriLife livestock guardian dog study numbers are in
By: Steve Byrns
Results show promise for ancient predator control method for sheep, goats
Writer: Steve Byrns, 325-653-4576, s-byrns@tamu.edu
Contact: Dr. Reid Redden, 325-653-4576, Reid.Redden@ag.tamu.edu
SAN ANGELO – The numbers are in from a yearlong experiment pitting 18 inexperienced young livestock guardian dogs and their neophyte dog-handling owners against a hoard of native sheep and goat predators ranging over thousands of West Texas acres.
“Predation is and always has been one of the most significant problems in the sheep and goat industry in Texas,” said Dr. Reid Redden, Texas A&M AgriLife Extension Service state sheep and goat specialist. “And the problem is getting worse.”
To see the complete results, go to http://sanangelo.tamu.edu/livestock-guardian-dogs/.Redden, along with Dr. John Walker, Texas A&M AgriLife Research resident director, and Dr. John Tomeček, AgriLife Extension wildlife specialist, led the work. All are headquartered at the Texas A&M AgriLife Research and Extension Center at San Angelo.
“It’s reported we lose somewhere between 10 and 20 percent of the lamb and kid crop annually in Texas to predators,” Redden said.
“Because of this significant loss, AgriLife is working with local ranchers to improve our understanding of livestock guardian dogs and their effectiveness in this part of Texas.”
In January 2016, six cooperating ranchers across West Texas agreed to take part in the experiment. None had any previous experience with livestock guardian dogs, but all had significant predator issues and operate large pastures ranging from 500 to 2,500 acres.
Each rancher received two to four livestock guardian dogs purchased from 5R Stock Dogs of Billings, Montana. The dogs were 6 to 12 months old at the start of the experiment and had been bonded with sheep.
Redden said livestock guardian dogs have been used for thousands of years in other parts of the world where sheep are herded, but less is known about how to use them or their effectiveness in sheep and goat producing West Texas. Some work was done in the 1980s in the area, but interest soon waned, possibly from lack of knowledge of the dogs.
Redden said livestock guardian dogs are not herding dogs, but rather stay within the proximity of their sheep and/or goat charges, thus creating an effective and constant predator deterrent.
Redden said unlike other parts of the sheep and goat producing areas in the U.S. and world, West Texas ranchers don’t often see their animals on a daily basis, meaning the dogs must rely on their own intuition and instinct to remain effective.
So were they effective?
“Half the ranchers reported the dogs were having a significant positive impact resulting in improved lamb crops within the first year,” Redden said. “Averaged across all the cooperating ranches, the livestock guardian dogs improved lamb crops by an estimated 25 percent.
However, the livestock guardian dogs were not foolproof. In the first year, two of the dogs went missing, three were removed for predating upon livestock, and four were relocated due to neighbor conflicts.
Tomeček used GPS-locating collars to track the dogs’ movements. The collars revealed the dogs traveled an average of 2.5 miles a day, with the distance ranging from a low of 1.5 miles to a high of 3.5 miles depending on the dog, pasture size and terrain.
“We also looked at the home range of the dogs, which was determined by where they spent 95 percent of their time, and found it to be about 600 acres per dog,” Tomeček said. “And depending on the dog and location, that ranged from 200 to 1,200 acres.”
Tomeček also noted home ranges were not always one large area, saying, “It can be two areas separated by a wide gap, or have holes in it…usually dependent on where livestock would or would not be on a particular ranch.”
He noted the dogs didn’t wear the collars all year long, and the collars were moved among the dogs.
“We were able to use one collar’s beacon on one place to find a ‘missing’ dog that ended up still being very much on the job. Some sheep had broken away from the flock and he had stayed with them.”
Tomeček said game cameras were used to monitor predators, and there was strong evidence pointing to a marked reduction in predator traffic through the pastures the dogs patrolled, but there was no significant impact on non-predatory wildlife traffic.
“So bottom line is, with this particular scenario — ranchers new to livestock guardian dogs coupled with young dogs on unfamiliar and often rugged country — this unlikely combination can be a useful tool. But not all dogs work out, so we plan to continue to increase our understanding through multiple projects we have planned here in San Angelo at the AgriLife center,” Redden said.
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Find more stories, photos, videos and audio at http://today.agrilife.org
Farm & Ranch
American Lotus
By Tony Dean
Farmers and ranchers are in a very close partnership with Mother Nature. If we really pay attention, she presents us some interesting scenarios.
For example, though they are totally different types of plants, water lilies and prickly pear have a lot in common. They both have strikingly beautiful flowers, both plants are edible, both of them are invaders into their respective habitats, and too much of either one can be an obstacle that we have to deal with.
Many north Texas ranches rely on excavated ponds for livestock water. Any time a pond contains a significant amount of shallow water so that sunlight reaches the bottom, some type of pond weed will develop. The plant family that includes water lilies and lotuses is a common invader in our livestock water.
Water lilies and lotuses are in the same plant family but they are two separate genera. There are easy ways to tell them apart:
- A primary difference is that water lily leaves commonly float on the surface, but lotus leaves can grow above the water line.
- Water lily leaves and flowers are thick and waxy, while lotus leaves and flowers are thin and papery.
- Water lily leaves have a distinct notch in the leaf, while lotus leaves are more rounded.
- Water lily flower petals are pointed, and lotus petals are more rounded.
The photos attached to this writing are from Clay County, and this plant is common across north Texas. American lotus is adapted to a wide area, from Honduras north through Mexico and across the eastern US and into Canada.
American lotus is a perennial, and it is cold tolerant and heat tolerant. It can grow in any pond or slow moving stream that contains shallow water areas. It prefers water with a depth of about 12 inches. Germination can occur from the large lotus seeds. Tubers, or roots, are established in the mud, and long slender stems extend upward. Leaves and flowers are both emergent in that they grow above the water line.
Lotus flowers are fragrant, and yellowish white with rich gold centers. They open in the morning and close by late afternoon, then open again the next day.
Lotus is an edible plant and has a history as a food source. The large tuberous roots, the size of a human arm, were baked like sweet potatoes. The leaves were eaten like spinach, and the large seeds were ground into flour. Stems taste somewhat like beets and were usually peeled before being eaten.
There is a large world-wide industry of cultivating lilies and lotuses in water gardens. According to Dr. Jerry Parsons, Professor and Extension Horticulturist with Texas A&M AgriLife Extension, cultivation of these plants dates back as early as ancient Egypt. Today, anyone with determination and a little money can have a water garden.
In 2011, the 82nd Texas Legislature designated the water lily “Texas Dawn” as the official Texas State Water Lily. Texas Dawn is a hybrid developed by Texas resident Kenneth Landon, a world-renowned expert in the field of water lilies and the director of the International Water Lily collection in San Angelo.
Ducks and other wildlife utilize the large acorn like seeds of American lotus, and submerged portions of all aquatic plants provide some form of wetland habitat. Many of us have tried to pull a bass out of a group of water lilies or lotuses, and I’m sure others have had better luck than I did. Although there can certainly be benefits to lilies, lotuses, and other aquatic plants, they can also infest ponds to the extent that the pond is not functioning correctly.
So, while the rest of the world works hard to grow these plants, ranchers sometimes need to control populations in their stock ponds. Once it gets a foot hold, American lotus can spread aggressively in wetland areas.
The primary issue that encourages American lotus, and most other water weeds, is shallow water. Look closely at a good livestock pond and you will find that the deeper water is basically free of infestation. Any pond will have a certain amount of shallow water that encourages water weed growth, depending upon the terrain at the pond site and how the pond was constructed. Some ranchers who enjoy and utilize wetland habitat may prefer to have ponds with significant shallow water area.
Almost all livestock ponds have a certain life expectancy. Siltation, or movement of soil into the pond bottom through rainfall runoff, is a natural occurrence. How fast siltation occurs into each pond, and how deep the pond was to start with, determines the length of time that the pond will contain adequate depth for dependable water for livestock.
Ponds that develop infestations of water weeds over a large percent of the surface may not have adequate depth to remain a viable water source for livestock during drought periods, especially in western north Texas where evaporation rates are higher.
Mud, or silt, from the pond bottom, can be removed to deepen the water, but this is a very expensive process. It is often more economical to construct a new pond rather than try to remove the silt from an old one. Most of us do not have the funds to continually construct deep water livestock ponds, so we must try to keep existing structures functioning and providing good drinking water for livestock, for as long as we can. Control of pond weeds like American lotus may be necessary, and it can be accomplished.
There is currently no feasible biological control. American lotus can be cut and removed, but this process us usually temporary because lotus can reestablish from seeds and roots.
American lotus can be safely controlled by chemicals. This must be done carefully. If a pond containing a large amount of any pond weeds is treated to remove all of the vegetation, a fish die-off could occur. When the dying weeds decompose, they use up the oxygen in the water and fish can suffocate. If possible, treat only a portion of the area, wait about two weeks, and treat another portion.
Farm & Ranch
Tracks in the Sand
This morning, I walked out into my arena and noticed something that gave me pause. The roping steers had been in there the day before, and even though the ground was wide and level, the sand carried their story. Hoofprints crossed every direction, but in several spots, the same trail was pressed deeper than the rest. Twelve steers had been turned out, yet more than a few chose the exact same path, wearing it down until it stood out from all the other tracks.
Cattle are creatures of habit. Anyone who has spent time around them knows this. They like routine: the same feed, the same water trough, the same shade tree in the pasture. When they are turned loose, they rarely wander without purpose. More often than not, they move together, following the same course as the steer in front of them. There are reasons for this: efficiency, safety, instinct. Walking a beaten path conserves energy, and following the herd is their natural defense. Even in an arena with no real destination, those instincts come through. By the end of a short turnout, you will see the evidence, lines where they have chosen the easiest way to travel and stuck with it.
Out on the range, those lines last longer. Before fences and highways, cattle drives cut deep paths across the land. The Chisholm Trail, which carried herds north from Texas through Oklahoma into Kansas, was walked by millions of cattle in the late 1800s. More than a century later, faint traces of those trails remain, worn so deep by hooves and wagon wheels that the land still carries the mark. On ranches today, you can see the same effect in pastures where cattle walk the same lines between water and grazing. From the ground those trails might look like nothing more than dusty ruts, but from the air, they sometimes stand out as sharp lines winding through otherwise open fields. Cattle do not simply pass over the land; they shape it. Every step adds up.
That simple truth extends beyond livestock. We all make tracks. Our habits and routines are our trails, worn in by repetition, sometimes efficient, sometimes limiting. Like the cow paths, they can serve a purpose, keeping us steady and helping us move forward. But when repeated without thought, they risk becoming ruts, keeping us from stepping into new ground. History offers perspective here too. The old cattle trails built towns and economies, but once railroads and fences changed the landscape, those paths were no longer useful. Sticking to them would have meant going in circles. Progress required something new.
The Tracks We Leave
Standing in the arena, I thought about the kind of tracks I leave behind. Most of mine are not visible in the dirt. They are pressed into my daily life, how I work, the way I handle challenges, the example I set. Some are helpful and worth keeping. Others may have outlived their purpose. The difference comes in knowing when to stay in the track and when to step out of it.
Tomorrow I will drag the arena and smooth it all clean again. The next time the steers are turned in, they will make the same trails. That is their nature. But unlike them, I have a choice. I can decide which paths are worth walking, which ones to change, and what kind of tracks I want to leave for others who might follow.
Tracks tell a story. Sometimes they are only temporary, fading with the next rain. Other times they last for generations, reminders of where herds and people once walked. This morning, the cattle showed me again that even the smallest things on the ranch carry meaning. Their tracks in the arena were not just marks in the sand. They were a lesson: every step matters, and the paths we choose shape more than just the ground beneath our feet.
Farm & Ranch
Leopold’s Legacy: The Five Tools That Shaped Conservation
By Raenne Santos
Known as the father of wildlife management, Aldo Leopold’s teachings reshaped our understanding of conservation and our role in nature. His philosophy, rooted in ethics, ecology, and action, emerged in response to the environmental degradation of the early 20th century in the American West. Overgrazed pastures, eroding soils, and changing wildlife populations revealed the consequences of treating natural resources as limitless.
Recognizing these challenges, Leopold theorized a transformative approach to land stewardship, emphasizing that the land is not merely a commodity, but a community in which we all belong. His works, A Sand County Almanac and Land Ethic, are still referenced to this day by modern conservationists. In Land Ethic, he introduced a practical framework for wildlife management known as the Five Tools of Wildlife Management, which offers land stewards a structured approach to maintaining and restoring ecological balance.
Symbolizing brush management, the axe is one of Leopold’s tools for controlling invasive species, shaping habitats, and mitigating wildfire risks. By selectively removing vegetation, land managers can enhance biodiversity, create open spaces for native species, and maintain healthy ecosystems.
Representing grazing animals, the cow (when used properly) mimics the natural disturbances once provided by bison. Grazing animals promote healthy ecosystems by aiding in nutrient cycling and soil disturbance. Responsible grazing practices prevent overuse and contribute to sustainable land management.
The plow signifies mechanical disturbance and soil preparation, crucial for habitat restoration and agricultural productivity. Used strategically, it aids in cultivating crops and creating conditions favorable to wildlife. However, misuse can lead to erosion, requiring careful application in conservation efforts.
Fire, a powerful natural tool, plays a crucial role in maintaining biodiversity and landscape resilience. Land managers use prescribed fire to control invasive species, rejuvenate plant communities, and shape habitats. Fire promotes the natural cycles of ecosystems and supports species diversity.
The final tool, the gun, is used to manage game populations and control predators. During Leopold’s time, unregulated hunting contributed to species extinction and posed threats to others. Today, hunting is strictly managed through game laws and seasonal regulations to ensure sustainable populations.
Leopold’s Five Tools of Wildlife Management continue to influence conservation practices today. While techniques have evolved, the fundamental principles remain the same—balancing human involvement with ecological processes to sustain healthy ecosystems. His approach emphasizes the importance of working with nature rather than against it. By embracing ethical land stewardship, modern conservationists honor Leopold’s vision, ensuring that future generations inherit thriving landscapes.
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