Agribusiness, Agriculture, Veterinary Medicine, Cassava, Garri, food security, Agritech and the Red Meat Value Chain.
Wednesday, March 9, 2016
Renewable plastic made from carbon dioxide and plants
Renewable plastic made from carbon dioxide and plants: Scientists have discovered a novel way to make plastic from carbon dioxide and inedible plant material, such as agricultural waste and grasses. Researchers say the new technology could provide a low-carbon alternative to plastic bottles and other items currently made from petroleum.
MANAGING CASTRATION COMPLICATIONS.
There are several potential complications that can arise from castration,these include ; 1) Edema. It is important to note and also explain to the client that there will be an apparent swelling after procedure,its usually obvious about 3-5 days after operation. The swelling should abate within 2 weeks of procedure.
The swelling may be so substantial in some cases,hence the following intervention is proposed 1)Exercising the horse. 2) Administering non-steroidal anti-inflammatory drugs (NSAIDs, such as phenylbutazone) .3) Cold-hosing the affected area a few times each day.
2) Hemorrhage ; bleeding from the castration site depends on the severity. If there’s just a slow drip, keep an eye on it but not necessarily intervening right away. Chances are, the blood will clot and the bleeding will stop.
When there’s a slow stream of blood, apply a Carmalt clamp—a type of curved forcep—to the bleeding cord or blood vessel and leave it in place for 24 to 48 hours. During that time, the horse should be kept on stall rest because vessels can still bleed following ligation (stitching or tying off). he does not apply sutures. The scrotal incision can be packed on a regular basis to stop bleeding, and its recommended using a continuous gauze (crypt packing) instead of 4x4 gauze, the packing must exert enough pressure to reduce or stop a minor bleed.
3) Prolapse tissue occurs in some cases , tissue in the area of the incision—most commonly the inguinal or abdominal omentum (a fatty yellow tissue that surrounds some of the organs) or inguinal fat—can prolapse through the incision.
When this happens the practitioner should examine the tissue closely via palpation and/or ultrasound to ensure the prolapsed tissue does not contain intestines. Then the veterinarian can remove the prolapsed tissue. If intestinal prolapse has occurred, the horse will require immediate general anesthesia to cleanse, replace, and retain the intestines, followed by immediate referral to a surgical facility.
An in-depth understanding of pertinent clinical anatomy is very essential, attention to asepsis and surgical technique, and proper postoperative exercise recommendations will minimize the incidence of complications associated with castration.
(arterial hemorrhage from the scrotum following improper application of the emasculator during castration.Photo: Courtesy Dr. P.O. Eric Mueller)
Read more here;horse.com

Field castration in horses.

Colorado hospital sued over exposure to disease from ex-surgical technician.
A Colorado hospital has been sued by three former surgery patients who say they were among nearly 3,000 people possibly exposed to a blood-borne disease carried by a drug-addicted former medical technician, court records showed on Tuesday. The Swedish Medical Center in suburban Denver is accused of negligence in its hiring and supervision of a surgical technologist who was caught trying to switch a syringe containing the powerful opiate fentanyl citrate with another substance during a patient’s surgery in January.
The technician, Rocky Allen, 28, was indicted by a federal grand jury in Denver last month on one count of tampering with a consumer product and one count of obtaining a controlled substance by deceit, both felonies. The civil complaint, filed in U.S. District Court in Denver, said federal authorities in the criminal case testified at a criminal hearing last month that Allen is a carrier of an unspecified “blood-borne pathogen.” The incident prompted the hospital to notify some 2,900 patients who underwent surgery at the facility from August 2015 to January 2016 during Allen’s employment to be screened for HIV, and hepatitis B and C.
The three patients suing underwent surgery during that time frame and are seeking monetary damages for emotional distress.
Read more at http://newsdaily.com/2016/03/colorado-hospital-sued-over-exposure-to-disease-from-ex-surgical-tech/#t1FagQ3xblyXSisC.99
Antibiotics use affects the abundance of resistant bacteria in soil: The use of animal manure increases the soil content of antibiotic-resistant genes
Antibiotics use affects the abundance of resistant bacteria in soil: The use of animal manure increases the soil content of antibiotic-resistant genes: When a certain type of antibiotic is phased in, the abundance of resistant genes in soil increases, new investigations show. When the antibiotic is phased out again, the abundance of resistant genes drops - and this happens relatively quickly. The scientists also found a correspondence in time between the first detection of antibiotic resistance in the health service and the detection of such genes for resistance in soil that had received applications of animal manure.
Synthetic biology approach for a new antidote to coral snake venom.
Coral snake venom carries significant neurotoxicity and human injuries can be severe or even lethal. Despite this, antivenom treatments are scarce due to challenges collecting adequate amounts of venom needed to produce anti-elapidic serum.
Currently, coral snake antivenom is produced by immunizing horses with the venom and collecting the anti-elapidic serum produced. Despite its high toxicity, venom yield from coral snakes is very low, and the snakes are difficult to keep in captivity. Since 2003, the only FDA-approved coral snake antivenom has been discontinued, leading to patients being hospitalized for treatment while the effects of the venom wear off. A new approach is therefore urgently needed to produce antivenom more efficiently and cheaply.
The researchers identified 5 toxins within the snake venom and used a technique called SPOT-synthesis to identify the sections of the toxin (epitopes) that are recognized by coral snake antivenom antibodies. They then designed two DNA strings that coded for these epitopes and used them to genetically immunize different groups of mice.
The serum collected from the animals, which contained antibodies to the five toxins, was then tested for antivenom capabilities -- by mixing with coral snake venom before being administered to healthy mice -- and was found to neutralize venom by 40%. To improve on this result, the researchers used recombinant DNA techniques to generate purified recombinant proteins from the designed multiepitope DNA strings, and gave the mice a series of protein booster shots to increase their immune response. This approach resulted in a final serum with 60% neutralization against coral snake venom.
The use of synthetic DNA bypasses the need to capture and keep snakes, a difficult and expensive process.
Story culled from science daily.
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