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23/09/2021

4 most common pig diseases worldwide (listen or download this and other educative audio tapes by Hog Aorta for free.)



Symptoms, treatments and preventative measures for the four most common diseases in pre-weaning, post-weaning and in breeding animals worldwide.

All staff working with the pigs should be able to spot the symptoms of common diseases and alert the manager or veterinarian, as appropriate. Treating pigs quickly with suitable medication is the next step. Prevention is obviously better than cure, and having a herd health plan will help to minimize disease incidence. Information on two common diseases, in each of three stages of production (pre-weaning, growing-finishing, breeding), is provided below.



Pre-weaning period

1. Exudative dermatitis (greasy pig)

The symptoms of this disease are skin lesions, caused by an infection of the bacteria Staphlococcus hyicus. In severe cases, mortality can occur, as the bacteria damage the liver and kidneys. Lesions first present as dark areas of skin, which spread and become flaky with a greasy feel. Antibiotics are used to treat the infection, along with skin protectants; autogenous vaccines have also been used with success. Improving hygiene in piglet housing is key to preventing this condition, along with teat dipping of sows pre- and post-farrowing. It is also important to reduce the potential for skin abrasions, as this is how the infection enters the body. Abrasions are caused by rough floors, jagged teeth, sharp equipment or even mange mites bites.

Post-weaning period

2. Respiratory diseases

Coughing, sneezing, abdominal breathing, reduced growth rates and potentially mortality are all signs of respiratory disease. Depending on the cause, antibiotics may be given in feed, water or as an injectable. Poor ventilation or environmental conditions can exacerbate respiratory conditions. For example, high levels of ammonia can damage the respiratory tract, making pigs more susceptible to infection. Infective agents include Streptococcus suis and Pasteurella. Vaccines are available for some forms of pneumonia, although the strain affecting a farm should be identified to ensure a successful outcome. Pleuropneumonia, caused by Actinobacillus pleuropneumoniae, can result in significant mortality, and those that do recover have impaired growth rates and lung damage. Overcrowded and dusty housing are predisposing factors for respiratory disease, along with the presence of PRRS virus.

3. Swine dysentery

Animals with this disease suffer from diarrhea, with or without the presence of blood. It is caused by the bacteria Brachyspira hyodsenteriae. Growth rates of post-weaning pigs are reduced, and, in some cases, sudden death can occur. Antibiotics are used to treat the disease, either in feed, water or as an injectable. Reducing stocking density can be an effective way of reducing infection pressure and stress in the herd. As well as improving hygiene levels, rodent control is a high priority; rodents are a vector for this disease. The strategy for buying and introducing replacement stock should be reviewed, as this a major route of disease introduction.

Breeding stock

4. Porcine parvovirus

If pregnant sows become infected with parvovirus (PPV), reproductive disease can occur, but not in all cases. If it does, most commonly in gilts, reproductive performance is significantly affected. Mummification and stillbirths occur, resulting in small litter sizes. Other reproductive diseases have the same symptoms so accurate diagnosis is essential. Unusually, the virus can survive outside the host for several months, making it endemic in most herds. Although it is only during pregnancy that PPV is a problem, other pigs can spread the virus. There are no treatments available; in order to prevent this disease routine vaccination of gilts is advisable.

Conclusions

In terms of disease prevention, re-occurring themes include hygiene, ventilation and reducing stress. Pig producers need to provide an environment that is optimal for the animal and inhospitable for disease-causing agents. As well as reducing infection pressure, immunity must be promoted by measures such as optimal nutrition and good husbandry.


AUDIO POST DOWNLOAD LINK (https://azuni.blog/2021/09/23/the-4-most-common-pig-diseases-with-audio-version/)




(You can now DOWNLOAD and LISTEN to Hog Aorta posts in MP3 version for FREE from the link below, just click the link below and select download audio.) For your mobile, Tablets or Computer. ENJOY!

https://azuni.blog/2021/09/23/the-4-most-common-pig-diseases-with-audio-version/

11/09/2021
11/09/2021
Welcome to Koenya Piggery Solutions. We contribute practical Solutions to all hog issues from medication, nutrition, pen...
11/09/2021

Welcome to Koenya Piggery Solutions. We contribute practical Solutions to all hog issues from medication, nutrition, pen, trading, boar crossing & others.

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