مواجهة الأمراض الفيروسية في الدواجن - أ.د. صفوت كمال

يمكن عمل بعض الإجراءات للحدّ من انتشارها:

• النظافة والتطهير:

لأن الفيروس بطبيعته لا يتكاثر خارج العائل المناسب فمن الممكن أن يقلّل مستوى النظافة العالي إلى حد كبير من تكاثر وزيادة كثافة الفيروسات في البيئة المحيطة بالطائر لعدم الوصول إلى حدود الجرعة المعدية وذلك للحدّ من فرص الفيروس من إحداث العدوى وتكاثره بشكل مستمر.

اِقرأ المزيد: مواجهة الأمراض الفيروسية في الدواجن - أ.د. صفوت كمال

March 15, 2017

A Mississippi-based Agricultural Research Service (ARS) researcher has learned that using poultry litter as fertilizer can help cotton growers in the Southeast maximize profits.

Poultry litter (chicken manure, spilled feed, excess feathers, and other poultry-house materials) contains nitrogen and phosphorus—both important crop nutrients. Applying poultry litter to the soil also recycles some of the tons of litter generated annually by poultry operations throughout the United States, says Haile Tewolde, an ARS agronomist at Mississippi State.

اِقرأ المزيد: Maximizing Profits with Poultry Litter

 By Sandra Avant

June 23, 2015

Water hardness can influence the development of columnaris disease in catfish, according to a study by U.S. Department of Agriculture (USDA) scientists.

Agricultural Research Service (ARS) scientists found a difference in disease development in fish exposed to hard and soft water containing the bacterial pathogen Flavobacterium columnare, which causes columnaris disease

اِقرأ المزيد: Fish Reared in Hard Water are More Susceptible to Columnaris Disease

By Sharon Durham
February 6, 2015

A new sorghum plant developed by U.S. Department of Agriculture (USDA) scientists can produce more seeds than conventional varieties currently grown by farmers.

اِقرأ المزيد: ARS Scientists Develop Higher Yielding Sorghum Plants

By Sandra Avant
February 18, 2015

A disinfectant has the potential to treat fungus on catfish eggs, according to U.S. Department of Agriculture (USDA) research.

اِقرأ المزيد: Killing Fish Egg Fungus with a Disinfectant

  By Sandra Avant

October 3, 2014

U.S. Department of Agriculture (USDA) scientists are taking their studies to the field to gauge the survival rate of a new line of rainbow trout that is resistant to bacterial cold-water disease.

اِقرأ المزيد: Detecting and Preventing Disease in Trout

 By Dennis O'Brien

September 24, 2014

Using poultry litter as fertilizer is a welcome trend in many southern states because that is where most of the U.S. broiler chickens are produced. The litter's nitrogen content helps boost crop yields, and also helps reduce farmers' expenses for commercial fertilizers. But a U.S. Department of Agriculture (USDA) agronomist has found that many farmers in Mississippi may be applying litter at the wrong time of year.

اِقرأ المزيد: Choosing the Right Season for Applying Chicken Litter in the South

   By Marcia Wood

March 31, 2014

Classic Caesar salad, old-fashioned eggnog, some homemade ice cream—and many other popular foods—may contain raw eggs. Now, U.S. Department of Agriculture (USDA)-led research has produced a faster way to pasteurize raw, in-shell eggs without ruining their taste, texture, color or other important qualities.

اِقرأ المزيد: Tactic for Pasteurizing Raw Eggs Kills Salmonella, Doesn't Harm Egg Quality

By Sandra Avant

March 24, 2014

U.S. Department of Agriculture (USDA) scientists have given the Newcastle disease classification system a much-needed update, making it easier to identify virus types.

اِقرأ المزيد: USDA Researchers Improve Newcastle Disease Classification System

 By Sandra Avant

March 3, 2014

A number of poultry industry groups are using a less costly method to collect avian influenza virus samples, thanks to U.S. Department of Agriculture (USDA) scientists.

Avian influenza is a foreign disease that infects poultry and other bird species. Viruses identified as highly pathogenic cause severe disease, killing more than 90 percent of infected birds. Low pathogenic viruses are not as severe, but can cause sickness in birds as well as financial losses

اِقرأ المزيد: New Avian Influenza Sampling Method Saves Money

 By Sandra Avant

January 28, 2014

An alternate vaccine delivery system for newborn chicks has been developed by U.S. Department of Agriculture (USDA) scientists to improve vaccination against intestinal diseases like coccidiosis.

اِقرأ المزيد: Delivering Vaccines Chicks Can Gobble Up