Home Tag Archives: ARS

Tag Archives: ARS

Benefits of Early Calving are Increasing Due to Late Winter Warming

On rangelands of the Western U.S., calving in late winter instead of spring maximizes calf growth (weight) by supplying high-quality forage when its most needed, according to a study by the United States Department of Agriculture (USDA), Agricultural Research Service (ARS). There is high value in utilizing rangelands to lower the cost of beef production. Selecting the right calving time, …

USDA-ARS and Weed Science Society of America Present Weed Science Webinar Series

The USDA’s Agricultural Research Service (ARS) and Weed Science Society of America (WSSA) today announced the launch of a free webinar series focusing on current research and advancements in managing weeds and invasive plants. “ARS scientists have worked in a wide range of agricultural and natural ecosystems that include agronomic and horticultural crops, pastures, forests, rangelands, wetlands and riparian areas,” …

USDA Study Aims to Facilitate Traceability During Foodborne Outbreak Investigations

Scientists with the USDA’s Agricultural Research Service (ARS) aim to enhance the capacity of regulatory agencies to trace Escherichia coli (E. coli) O157:H7 back to its source during a foodborne outbreak investigation by studying how the DNA of a specific population of this bacterium gradually evolves within its natural environment. E. coli O157:H7 is a frequent source of concern for public health due …

New Way to Predict Grazing Cattle Weight Gain on Rangelands From Satellite Imagery

USDA’s Agricultural Research Service (ARS) developed a unique approach to using satellite imagery to predict cattle weight gain on rangelands. By fusing multiple images over a period of time, scientists were able to monitor how forage quality changes over space and time in rangelands within the shortgrass steppe, and how this relates to the weight gain of free-ranging cattle throughout …

ARS, NASA Join Forces To Monitor Earth’s Water Supply

Scientists with the USDA Agricultural Research Service (ARS) have teamed up with NASA to use satellites to monitor the water cycle on Earth, specifically “evapotranspiration” — the amount of water that enters the atmosphere through evaporation and transpiration from plants. Transpiration occurs during photosynthesis when plants take up carbon dioxide and release oxygen. That information is especially important for farmers …

Scientists Bring in Arch Enemy to Deal With Brown Marmorated Stink Bug

A tiny wasp may be the solution for managing an agricultural pest causing major economic damage to fruit, vegetable, and field crops in North America and Europe. Agricultural Research Service (ARS) scientists are currently studying Trissolcus japonicus, commonly known as the samurai wasp, to see if this parasitoid wasp is the right biological control agent for reducing brown marmorated stink bug (Halyomorpha …

Breeding Honey Bees for Adaptation to Regionalized Plants and Artificial Diets

Honey bees could be intentionally bred to thrive on plants that are already locally present or even solely on artificial diets, according to a recent U.S. Department of Agriculture Agricultural Research Service (ARS) study. ARS researchers found individual bees respond differently to the same diet and that there is a strong genetic component involved in how they respond to nutrition. This …

New Food Freezing Concept Improves Quality, Increases Safety and Cuts Energy Use

Shifting to a new food freezing method could make for safer and better quality frozen foods while saving energy and reducing carbon emissions, according to a new study by U.S. Department of Agriculture’s Agricultural Research Service (ARS) and University of California-Berkeley scientists. “A complete change over to this new method of food freezing worldwide could cut energy use by as …

Microalgae is the Bee’s Knees

We love to eat the honey that honey bees produce, but what do honey bees eat? The usual answer to this question is nectar and pollen. However, malnutrition in honey bees – a major reason why they’re growing more susceptible to pathogens, parasites, and pesticides – is a growing issue in the world of agriculture. This problem is exacerbated by …

Scientists Serve Up Vaccine Cocktail for Protecting Cattle from Disease

Scientists with the Agricultural Research Service (ARS) have developed a new experimental vaccine to protect cattle from the bacterium that causes Johne’s disease, Mycobacterium avium subsp. paratuberculosis (MAP). Johne’s disease, also known as paratuberculosis, is a chronic intestinal disorder that can cause diarrhea, weight loss, poor health and sometimes death in afflicted cattle. In the United States, Johne’s disease is …

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