By Gilbert VandenHeuvel
Date January 18, 2017
PRRS Virus Filter for Incoming Air
Porcine Reproductive and Respiratory Syndrome (PRRS) is a swine disease responsible for some of the highest economic losses in global pig production. In particular, breeding companies, multipliers and centers for artificial insemination must do everything possible to make sure that they maintain a negative PRRS status.
As a review, what is PRRS?
PRRS was first isolated and classified as an antivirus as recently as 1991 but first recognized in the USA in the mid 1980’s and was called “mystery swine disease”. It has also been called blue ear disease.
The virus of PRRS has the greatest affect on the pig’s lungs and reproductive system. A major part of the bodies defense mechanism is destroyed and allows bacteria and other viruses to proliferate and do damage. PRRS tends to remain present and active indefinitely.
The clinical picture can vary tremendously from one herd to another. As a guide, for every three herds that are exposed to PRRS for the first time one will show no recognizable disease, the second would show mild disease and the third moderate to severe disease. The reasons for this are not clearly understood. However the higher the health status of the herd, the less severe are the disease effects. It may be that the virus is mutating as it multiplies, throwing up some strains that are highly virulent and some that are not.
PRRS infects all types of herd including high or ordinary health status and both indoor and outdoor units, irrespective of size.
The main affects are decreased farrowing rates, increased mortality, attrition, and increased respiratory disease.
To read the entire article (www.thepigsite.com) including an extensive list of symptoms CLICK HERE
Economic effect of PRRS
PRRS is the most economically important disease now affecting swine producers.
According to The Economic and Production Impact of Porcine Reproductive and Respiratory Syndrome on Nursery and Grower-Finisher Pigs by Radu Zorzolan, A Thesis Presented to The University of Guelph
“The reduction of profits due to a PRRS outbreak was US $236 / female, which represented an 80% reduction in expected profits in the year of the outbreak.”
The same study estimated the cost of PRRS infection in the grower-finisher population to average $6.25-15.25 per pig (combined nursery and finishing stage).
For the complete thesis CLICK HERE
Does an PRRS air filter work to keep your heard PRRS negative?
Throughout the swine industry, extensive efforts have been made to protect genetic and commercial swine herds from infection with different pathogens. However, local spread of certain pathogens such as PRRSV between farms still occurs due to aerosol transmission (Dee et al. 2006c). To reduce the risk of airborne spread, swine producers around the world are beginning to implement systems to filter the air entering their facilities. France was the first country that reported the use of air filtration in nucleus herds and boar studs. Since 1996, Cooperl- Hunaudaye, implemented air filtration in 11 herds that were populated with PRRSV negative animals after the system was installed. Air Filtration for PRRS Control 155 These herds are situated in Brittany, the most populated swine area in France; all have preserved their PRRSV negative status since then. As of today a considerable number of artificial insemination centers and farms in Europe, Quebec and the United States have implemented this technology since, in spite of extreme biosecurity rules, they experienced among others PRRS outbreaks without finding a logical explanation (Desrosiers, 2004a).
To read entire article from the Priarie Swine Centre CLICK HERE
Dwyer Manufacturing offers an PRRS virus air filtraton system designed by Big Dutchman, Germany.
Below is a summary of information on Big Dutchman’s Air Pro Tec system. CLICK HERE to find complete brochure
With Air Pro Tec, Big Dutchman offers an efficient fresh air filter which significantly reduces the introduction of PRRS viruses – by up to 95%
With Big Dutchman’s pressurized system, there are no exacting requirements regarding the air-tightness of the building.
The air filters consist of the following main parts:
Wind protection netting – prevents the entry of coarse foreign matter
Prefilter – filters particles with a diameter of 3 microns and any PRRS viruses adhering to them
Main Filter – filter fine particles up to 0.3 microns and any PRRS viruses adhering to them
Cooling Module – fresh air can be cooled as required
Ventilation pipe with fan and cover flap
The Air Pro Tec filters come in three sizes to be used in a centralized or decentralized systems.
The centralized systems ( APT 10 000 and APT 20 000) works well in facilities where cooling is necessary. Air capacity of each is 10,000 and 20,000 m3/hour respectively.
The decentralized system is build to fit Big D’s CL wall air inlets but can also be retrofitted for existing wall inlets. Air capacity is 1500 m3/hour
While the additional capital cost of a PRRS virus air filtration system can be significant, the cost benefit of keeping your PRRS virus negative status can be more over the lifetime of the filtration system. Remember the study that shows $236 / sow / year in production lose is possible the first year of outbreak.
$236 x 500 sows = $118,000 in the first year alone plus over 10 years = $1,180,000 in production lose plus the value of a negative PRRS status.
Contact us here at Dwyer Manufacturing for more details and a quote for your operation.
November 15, 2016
By Gilbert VandenHeuvel
Slat Gap Cover
Necessity is the mother of invention. (author unknown)
With Denmark banning fully slated floors and farms all around the world retooling to comply with organic flooring standards, something was needed to cover in the gaps in slats. Producers who need to increase the proportion of solid flooring which are already fitted with fully slated floor already installed required a solution. Replacing the slats was too expensive so an opportunity to find a solution was up for grabs.
A Danish tool-maker, Brian Johannsen, come up with the Slat Gap Cover. After a few attempts, Mr Johannsen came up with a design (patent pending) which was simple yet effective and importantly, pig proof.
The designs where evaluated on a Danish Pig Research Centre. Staff there were surprised by the simplicity of the design, ease of fitting and the ingenious locking mechanism
AgBuilt is the North American distributor for the Slat Gap Cover.
Sold at Dwyer Mfg.
Installation is simple, Slat Gap is cut to length with a any tool that cuts wood, placed between the slats and eased into place by treading down on it or by hitting it with a rubber mallet.
Slat Gap was first produced for 18-22 mm gaps but 14-18 mm and 25-32 mm Slat Gap are also available.
The type of plastic used is resistant to the harsh environment of a pig barn. The plastic type is called High Density Polyethylene. To learn more about HDPE CLICK HERE
While the initial use was to reduce the amount of open space more benefits have come to light:
Slat Gap can be installed in high traffic areas to protect the edges of the slats from deterioration.
Spilled feed will stay on top of slats allowing another chance for pigs to eat it, decreasing feed wastage.
Slat Gap helps reduce the amount of concrete corrosion of slat edges from acidic feeds such as liquid whey.
The comfort of pregnant sows greatly increases with Slat Gap installed in the laying area with the manure area left open.
Drafts coming up through the slats can be managed with the Slat Gap placed in strategic areas in the pen creating comfortable sleeping areas.
Sow group housing improvements can be made when feet problems are found by simply adding Slat Gap. According to a Prairie Swine Centre study “In group systems with slatted floors, good slat quality is essential to improve comfort and minimize foot and leg injuries. Slat width and gap is also important and sows are more comfortable on a wide slat that allows them to easily stand with their whole foot on the solid part of the slat, rather than having one half of a hoof down the edge of the gap. Slat widths of 125mm (5”) with an 19-20mm (3/4”+) gap are ideal. ” Find whole Article HERE
To get a more information or a quote, call us at Dwyer Manufacturing.
1-800-323-3405, local: 519-527-2285
Credit to authors of these three articles with supporting information:
August 10, 2016
By Gilbert VandenHeuvel
Brief history of PVC: In 1913, German inventor Friedrich Heinrich August Klatte took out a patent on PVC. His method used polymerization of vinyl chloride with sunlight.
The most significant breakthrough occurred in the United States when the company BFGoodrich hired the industrial scientist Waldo Semon to develop a synthetic replacement for the increasingly costly natural rubber. His experiments again produced polyvinyl chloride. However, the material was threatened by the recession in the 1920s and it was under threat of abandonment that Semon conceived the idea of PVC as a water resistant coating for fabrics. Sales took off quickly with a rapidly expanding product range. Demand accelerated again during the Second World War, when PVC quickly replaced traditional material to insulate wiring on military ships.
You could win some bar bets with the little known fact that plastic was first patented in 1913. Have fun with that bit of info.
Dwyer Mfg has a wide range of metric and imperial PVC fittings and pipe ranging from 1/2″ – 2″ & 32 mm – 90 mm. With a low cost supply and overhead system, Dwyer is able to offer our PVC pipe and fittings for less then local suppliers and popular big box stores. Dwyer’s inventory and pricing is available on our web-store. Click the shopping cart to check it out.
You are welcome to shop online and we will ship it directly to you.
Calling or emailing us with your shopping list works just as well. Your parts can be ready for pick up or shipped to you locally or across the country.
Your shipping costs are low due to a 3rd party broker system we use which searches for the lowest cost shipping option for your specific address among the main courier companies.
Usually PVC plumbing parts are used to deliver liquids or compressed air to a desired location in your home or workplace. PVC works great for that due to its low costs, it’s easy to work with and it’s ability to withstand corrosion in harsh environments.
You already know how to use PVC plumbing in your workplace but what about having some fun with it?
Below are a few interesting projects that aren’t too difficult to build in a few hours. Why not involve the kids and create some memories.
Please be safe using power tools and compressed air. SAFETY NEVER HURTS
#1 POP BOTTLE ROCKET LAUNCHER
There are a number of different types of Pop Bottle Rocket Launchers out there. This one is a nice balance between easy to build and safe to use.
Parts for this launcher build include: (All PVC is schedule 40)
6′ of 1/2″ Schedule 40 pvc pipe (it is sold in 10′ lengths)
1 1/4″ x 1/2″ Bushing
1 1/4″ Coupling
1 1/4″ x 1″ Bushing
1/2″ elbows 2
1/2″ caps 4
1/2″ t’s 3
.453 rim hole tubeless tire valve (auto parts store)
Small bottle pvc cement
1/8″ steel rod 24″ long
2 liter soda bottle
5/32 drill bit
3/32 drill bit
9/16″ drill bit
PVC Cutter or hacksaw
FYI The PVC parts on this list are available at Dwyer Mfg. for $18.38. If you need glue and pipe primer for this and all your other projects, our smallest cans sell for $16.72 for both.
#2 FISHING ROD STORAGE RACK (pictured at top of page)
1/2″ PVC pipe 10 ft; 1/2″ Tee, 6 pcs; 1/2″ elbow, 12 pcs; 1/2″ cross, 3 pcs; 3/4″ pipe straps, 6 pcs; plywood pieces and hardware as needed to attach to ceiling.
Dwyer Mfg’s price for the PVC parts is $24.77
#3, BICYCLE WORK STAND
Some one in your family uses a bicycle and it’ll need repair or cleaning sooner or later. Fixing a bike when it’s leaning against something or upside down is a pain but a professional bike repair stands are expensive, so why not build one from PVC parts.
Get the complete instructions from www.instructables.com by clicking on the picture below.
The list of projects that can be built from PVC goes on and on. Here are a bunch more ideas.
by Gilbert VandenHeuvel
August 4, 2016
During the 6 months I’ve been working at Dwyer Manufacturing a lot has changed, for me and for Dwyer Mfg. My knowledge on multiple feeding systems, plumbing, pumps and various types of agricultural equipment has grown a lot. Dwyer sells a very broad range of equipment so there’s a lot to know, but it’s all good. When I was a farmer, I knew a lot about the equipment we used and paid little attention to the rest, now I’m learning about all the rest.
As mentioned, Dwyer Mfg has changed too. There has been a general organization of inventory so things are easier to find and space created for more merchandise to offer you more choices.
The “Wall of PVC” shows this change easily. With multiple sizes and types of plumbing fittings, things can get out of hand. It’s amazing what some coloured labels and a little time can do.
Ranging from 1/2″ to 2″, we have the PVC pipe and fittings you need.
The Dwyer website has also changed a lot. Information on the lines of feeding systems, flooring, penning, weighing and grinding equipment we sell and service is the foundation of the site.
Shopping when you want is one of the benefits of our web-store, along with the ability to check pricing and availability. The goal is to make it a resource of information and a place to shop when it’s convenient for you, any time of day. After placing your order, shipping is automatically calculated or you can choose to pick it up yourself.
The Dwyer web-store is a place you can order liquid and dry feeding equipment parts, hammer mill parts or shop for tools and multiple types of fasteners and stainless & PVC fittings.
As every experienced shopper knows, finding the clearance rack is job 1. Dwyer web-store has a clearance section too. Click on the graphic below to see the hose clamps (3/8″ – 4″ hose) and PVC faucet we have clearance priced as quantities last.
Good prices can be found at Dwyer in more places then the Clearance section.
Drill Bits are everyday priced to sell.
The shop staff here at Dwyer Mfg use the same drill bits we sell, so you know they are of high quality.
Quality Walter drill bits are all we use and sell, ready to drill multiple materials including stainless steel.
Not only are they tough, they are priced right. With lower overhead, we can price our bits for less then Home Depot.
Sizes ranging from 1/16″ – 1/2″ are in stock, ready to go. Sold individually or in sets.
June 14, 2016
Another tie or pair of socks just don’t seem right, get something he’ll enjoy using for years to come.
Either Custom BBQ tools or Hilti Cordless Tools would make a great Father’s Day Gift.
Dads love to BBQ, and they need the right tools. Dwyer MFG custom makes flippers and forks for real men. And we can customize them too.
Prices: Flipper: Plain – $49, customized – $69
Fork: Plain – $39, customized – $59
Hilti Tools are widely considered the best in the industry by the pros who use them every day.
Dwyer is offering a couple kits that will make a great gift for that deserving Father.
Dad’s, forward this to the kids so they’ll get it for you.
This kit includes a Heavy Duty Hammer Drill TE4-A18
2 batteries, charger, Hilti lubricant, cleaning cloth
1/4″, 3/8″ and 1/2″ Hilti concrete bits
Priced at $650. (savings of $190)
Find specs HERE
This kit includes:
reciprocating saw WSR 18-A (click for specs)
Screw / hammer Drill SFH 18-A (click for specs)
Flash Light SFL 18-A (click for specs)
Heavy Duty Case
The goat industry is enjoying renewed popularity in Ontario.
• Between 2006 and 2011, the number of goats in Ontario has increased from 76,114 to 116,260. This represents an increase by 52.75%.
• Ontario has 225 licensed dairy goat farms.
Dwyer Manufacturing offers high quality products as part of a successful / healthy Goat farm.
Dwyer offers 2 housing products that will allow excellent cleanliness between groups to increase your heard health and increase production in the long run.
Mik Plastic Flooring and Norlock PVC penning and wall material.
MIK Plastic Flooring: Stepper – nubs on top make hooves stop!
The Stepper was especially developed for sheep and goats. Its new kind of surface structure provides the very best traction and stability. The Stepper shines with its high stability and durability.
MIK’s easy cleaning properties excel compared to porous concrete that harbors disease caring pathogens.
Lock together slats and Stainless steel or fiberglass supports make for an efficient set up and easy installation that you can do or Dwyer Mfg can install it for you in a new or exciting facility.
Norlock Penning and Wall Product Benefits:
- Bright white to lighten your rooms
- Tight fitting tongue and groove
- hang heavy items from it
- Do not need wood inside to add strength
- Cut your doors right out of the wall
- No waste
- Comes in two widths
- Does not hold bacteria
- Product of Canada
- High impact testing
Dwyer Manufacturing can customize and install flooring, penning and stainless steel posts to make your farm as trouble free and productive as it can be.
Call us for a quote on partial or turn-key installation.
Ontario Goat milk is collected by milk brokers and sent to processors to be made into cheese, yogurt, ice cream, fluid milk, butter fat and powdered milk.
Ontario Goat estimates that about 40 million liters of fluid goat milk are being produced annually in the province
To see a goat milking parlor and explanation of the different parts, click HERE.
Quick Canadian Goat Facts
DID YOU KNOW…?
- Goats are finicky eaters that take a lot of time to search out the best snacks. They will often stand on their hind legs to reach the best part of foliage that may be out of reach of sheep.
- Goats are often used as companions for horses. The saying “Got Your Goat” refers to the theft of a racehorse’s companion goat before a race, with the intention of upsetting the horse and possibly affecting the outcome of the race.
- Goats are very social animals that make great pets and companions for other livestock.
- To most people in North America, the term milk is synonymous with cow milk; but on a worldwide basis, more people drink goat milk than milk from cows.
- For a complete list of Ontario Goat facts click HERE.