Tuesday, August 30, 2016

AGRIBUSINESS: Coccidiosis in piglets.

AGRIBUSINESS: Coccidiosis in piglets. Coccidiosis is a major cause of diarrhea in piglets that have long-term effects on health and performance,though its relatively under-diagnosed its a global concern. The problems of piglet diarrhea, includes high mortality, poor performance and susceptibility to other diseases because of secondary bacteria infection. The diarrhoea is usually yellow or gray and pasty.. AGRIBUSINESS: Coccidiosis in piglets. The primary cause of coccidiosis in piglets is the parasite Isospora suis, which is a pig-specific coccidia. There are other coccidial species that can infect pigs, but they don’t commonly cause disease. Coccidial oocysts that are shed from infected animals can survive on the farm for months or even years. Ingesting oocysts still present in the environment, usually from previous litters by piglets is the common route of infection. When ingested, the oocyst in the small intestine undergoes some of developmental stages, which takes five to seven days before new oocysts are formed. Each stage invades and multiplies within cells then bursts out. This destroys the infected cells, which in turn damages the gut, leading to diarrhea. Once the new oocysts are shed in the feces, they go through a short maturation process in the environment before being ready to infect a new host. AGRIBUSINESS: Coccidiosis in piglets. Prevention strategies like hygiene and biosecurity will help to reduce the incidence of many types of diarrhea. However, it is important to know the cause in order to treat effectively and implement a specific control plan. Clinical signs of coccidiosis can be seen in pigs as early as six days of age to about three weeks old. This is consistent with them becoming infected soon after birth, which is when they are most susceptible. As coccidiosis is the most frequent cause of diarrhea in piglets between six and 15 days of age,they will have poor body condition, be dehydrated and with a rough coat . The diarrhea is pale yellow or grey and very pasty. Antibiotic treatment with sulphonamides ,treating animals with clinical signs is strongly advised. If the diagnosis is uncertain fecal samples can be taken for oocyst identification and count at the This is to prevent losses as well as reducing ongoing damage to the gut. In order to prevent clinical signs of coccidiosis, many pig producers treat all piglets on a farm at three to five days of age.

The role of coccidiosis control in salmonella prevention.

Researchers say that coccidiosis vaccination can reduce the cecal Salmonella load in broilers, compared to birds treated with ionophores. Broilers vaccinated for coccidiosis have lower lesion scores than do birds treated with either chemical coccidiostats or ionophores. There are nine species of coccidia that impact broilers, with E. acervulina, E. tenella and E. maxima being the most prevalent. E. tenella is primarily found in the ceca and it is the species of coccidia that seems to affect Salmonella levels in broilers the most,thus better control of E. tenella may lower Salmonella incidence in a flock at time of market. Research has shown that coccidiosis breaks in broilers associated with E. necatrix and E. tenella are associated with increases in Salmonella colonization in the bird. The E. necatrix control in breeders plays a role in helping to keep Salmonella loads on chicks low, but E. tenella control is of more importance for controlling Salmonella colonization in the broiler house. Coccidiosis vaccination is very important for a number of factors; the resistance of coccidia populations in broiler houses to both chemical coccidiostats and ionophores continues to be a growing problem with no new drugs introduced in the last few decades and vaccinating for coccidiosis reestablishes populations of susceptible strains of coccidia on broiler farms. The recent clamor for antibiotic-free production among some consumers have also increased use of coccidiosis vaccines.

Togo has first HPAI cases in 7 years.

Two poultry farms in the Maritime region of Togo have been affected by highly pathogenic H5N1 avian influenza, resulting in the deaths of 14,372 birds. This marks the first time that highly pathogenic H5N1 avian influenza has been detected in the African nation since January 2009. According to information provided by Togo’s ministry of agriculture to the World Organisation for Animal Health (OIE), the two farms were considered to be “semi-modern,” but lacked biosecurity measures. At one of the farms, 10,350 birds died, while another 3,000 were destroyed. At the other farm, 950 birds died and another 30 were destroyed. The carcasses, by-products and waste are being disposed of. The source of the avian influenza infection is not known. The farms have been quarantined and are being disinfected. A protection zone has been established, and surveillance inside and outside the zone is taking place. While the virus is new to Togo in 2016, other African nations – including Cote d’Ivoire, Nigeria, Ghana and Cameroon -- have been dealing with cases of highly pathogenic avian influenza in recent months. OIE stated that it intends to file weekly reports on the H5N1 avian influenza situation in Togo until it considers it to be resolved. contributed by wattagnet.com

Study reveals thousands of Americans use veterinary pills when theirs run out.

A surprising number of Americans use their pets' medication, scientists have revealed. Researchers at Baylor College of Medicine set out to investigate prescription drug use as we rapidly build up a resistance to antibiotics.But in their study they found an unexpected result. 

Four per cent of people admitted to using veterinary antibiotics after running out of their supply.The scientists had not put this as an option in the study, having not anticipated it would be so widespread. We thought that was some other country’s problems, not ours. 

That was an additional surprise,' lead author Dr Larisa Grigoryan said. Dr Grigoryan warns the bizarre trend could be driving us into a post-antibiotic era. Borrowing from pets is not the most common way of bypassing the doctor's office. 

The study, published in the journal Antimicrobial Agents and Chemotherapy, involved 400 people. Forty per cent of antibiotics used without a prescription were purchased in stores and pharmacies in the US. Another 24 per cent were obtained outside of the US. 

Friends or relatives supplied 20 per cent of antibiotics.Leftover medicines from previous prescriptions accounted for 12% The vast majority (74 per cent) of antibiotics that patients stored were saved from previous prescriptions. 

Finally, four per cent of respondents voluntarily admitted to using the pets' pills. The significant proportion of people in this category shows the extreme lengths people will go to to use antibiotics - without thinking of the consequences. If the ratio of the study is applicable, it could mean thousands of Americans do the same. '

 When people self-diagnose and self-prescribe antibiotics it is likely that the therapy is unnecessary because most often these are upper respiratory infections that are mostly caused by viruses,' Dr Grigoryan warned.antibiotics do not kill viruses, they kill bacteria. But Dr Grigoryan insists that even in cases that would require antibiotics, people without a medical background should not self-diagnose.more

Crickets becoming new protein source in pet treats.

Novel proteins, including exotic proteins such as kangaroo and boar, have been a hot topic at Petfood Forum this week in Kansas City. Another unusual protein that has been discussed recently is cricket. According to Serge Boutet, owner of SBNutrinnov Consultants, crickets are sustainable, environmentally sound and use less water to produce a kilo of protein as compared to beef, pork or fish. According to Boutet, insect proteins are poised to be the future of the pet food industry and for human consumption. watch

Novel proteins can fight pet obesity.

Novel proteins often have lower calorie and fat contents than conventional protein sources.Novel proteins can fight the pet obesity epidemic, suggests Mark J. Mendal, founder of Pet Proteins, Novel proteins, such as venison, often have lower calorie and fat contents than conventional protein sources, such as beef. Within the past few decades,pet food manufacturers’ options for providing protein, omega-3 fatty acids and other nutrients in their products have grown dramatically. Just as people have come to embrace a wider variety of foods on their plates, so too have pet owners started serving non-traditional meats and plants to their dogs and cats. Once unheard of ingredients, including kangaroo, hemp and insects have all found their way into pets’ dishes. Novel proteins in particular have become popular. watch

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