eNewsletter September 2016

Weber Scientific HTML eNewsletter

The Herd
Newsletter September 2016

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Consumption of natural estrogens in cow’s milk does not affect blood levels or reproductive health



Estrogen occurs naturally in cow’s milk. Recently, there has been concern that consuming milk containing elevated amounts of estrogen could affect blood levels of the hormone in humans, leading to an increased risk of some cancers. A new study published in the Journal of Dairy Science investigated cow milk’s effects on blood hormone levels in adult mice and found that naturally occurring levels, and even levels as high as 100 times the average, had no effect on the mice. The study further determined that only when the mice were given 1,000 times more estrogen than average did it have any impact on reproductive health.

Estrogens found in food are thought to play a negative role in human reproductive health, but researchers are not yet sure of the exact connection between the two.

Read more.


Save up to 50% OFF Our Everyday Low Prices on these Selected Products!


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SAVE 50% OFF! Economy Graduated Pitchers
Autoclavable polypropylene. Molded graduations. Available in four sizes.

SAVE 50% OFF! Deionized Water
Tested to meet specifications according to Standard Methods for the Examination of Water and Wastewater, 21st edition,9020:II Quality of Reagent Water Used in Microbiology Testing, and NELAC 4.1, Requirements for Laboratory Pure Water. Available in a 4 liter bottle and 20 liter jerrycan.

SAVE 40% OFF! 70% Isopropyl Alcohol
70% solution (v/v). Widely used for effective disinfecting. Choose 1 gallon jug or 20 liter cube.

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Please enter the correct promotional code (See price table above) into the “Promo Code” box during checkout and the sale price will be applied. Order online using the link above. You can also call in the order at 800-328-8378 or fax the order to 609-584-8388.

Somatic cell counts continue to decline in Upper Midwest



Somatic cell counts (SCCs), a measure of milk quality and an indication of subclinical mastitis, continued to decline in the Midwest, according to a report issued this month by the Upper Midwest Federal Milk Marketing Order.

“Somatic cell counts under the Midwest Order have shown a sustained and substantial downward trend over the period from 2003 to 2015,” says Corey Freije, an economist and analyst with the Upper Midwest Order. SCCs averaged 208,000 cells/mL in 2015, down from 222,000 in 2014, and down by more than 100,000 cells/mL since 2003. 

North Dakota again leads the way in average SCC, with the state averaging 190,000 last year. Wisconsin, despite having the most cows and herds in the Upper Midwest Order, had the second lowest average SCC at 203,000. Illinois, Minnesota and South Dakota had the highest average, at 216,000.

Large herds also again showed the highest level of milk quality. Herds shipping more than 50 million lb. of milk per month averaged 190,000 SCC. Herds that shipped less than 50,000 lb. per month are still averaging 304,000 cells/mL.

Read the full report here.

Peel Plate Microbial Test (Charm Sciences)


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NEW High Volume Peel Plate Microbial Tests are now available!

Peel Plate microbial tests are simplified culture methods for detecting micro-organisms.  Tests are available for Aerobic Plate Count (AC), Coliform (CC), Coliform and E. coli (EC), Enterobacteriaceae (EB) and Yeast and Molds (Y&M). The APC, EC Plates are AOAC-RI and PMO-NCIMS approved. The YM is AOAC approved. 

Each version of these tests contains non-selective or selective medium and follows conventional microbiologic procedures for time and temperature of incubation. 

Selected Peel Plate microbial tests are available for sample volumes of either 1 mL or 5 mL (High Volume). High Volume (HV) microbial tests use a 5 mL sample volume. A 5 mL aliquot of a 1:5 dilution (or 5 mL on each of 2 plates of a 1:10 dilution) is added to the HV plate and is then incubated. 100 mm diameter is convenient for sample filters and 100 mL water samples or larger, including wine and beverages.

The tests are prepared media in a shallow dish with an adhesive top. Plates are ready-to-use and no spreading device is needed. Just add the sample to the middle and it wicks through the media and solidifies. Invert the test, stack multiple tests together (if appropriate) and incubate. The sample wicks rapidly to cover entire surface. An air gap between the plate and cover allows colony picking and determination of microbial morphology. 

Peel plates are used in dairy products, ground meats, other foods, contact surfaces and water. Colony development is easily quantified by color.



Idaho, New York vie to become third-largest dairy state



Idaho and New York are both known for its dairies, and both states are seeing their share of successes and challenges these days.

“We’re in a fun competition between New York and Idaho. We’ll see how it goes over the next couple of years,” says Tony VanderHulst, president of the Idaho Dairymen’s Association.

In Idaho, production and growth began years ago. According to the Idaho Dairymen’s Association, as of March 2016 there were more than 500 dairies with nearly 579,000 milk cows within the state. The number of dairies have decreased or consolidated during the past ten years, but cow numbers have risen.

New York is also up there. According to USDA,  the state had roughly 620,000 milk cows as of January 2016.

The Empire State's dairy industry is also seeing consolidation.  “Farms have grown in size. Smaller farmers have left the industry because the next generation isn’t coming home. Those farms have been acquired,” says Tonya Van Slyke, executive director of the Northeast Dairy Producers Association.

Read more.

Milk truck microbial study aims to improve dairy food safety and quality



Fresh, or raw, milk transported from farms to dairy processing facilities in tanker trucks contains a diverse mix of microbes, which varies from season to season, report researchers at the University of California, Davis.

Microbes with the potential to cause disease are destroyed during milk pasteurization, but not all bacteria and their associated enzymes are eliminated by that process. The remaining bacteria retain the ability to cause spoilage and quality defects in dairy foods.

Despite the diversity, a core community of microbes remains constant through the seasons and across the various farms from which the milk is collected, the researchers found. Surprisingly, this core microbiota is quite vulnerable to change when the raw milk is transferred to large storage silos at the dairy processing plant.

Identification of these raw-milk microbes and their abundance should help dairy processors develop new, effective sanitation procedures and process controls to ensure that the milk and resulting dairy foods are safe and of consistently high quality.

The study findings are reported in mBio, the online, open-access journal of the American Society of Microbiology.

Read more.

In this issue


YOUR CHOICE! Our Favorite 3 Probiotics and a Yeast of Importance!

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Acidophilus (Lactobacillus Acidophilus) Gift Code: WS0916A
Acidophilus (Lactobacillus acidophilus) under a microscope!
Just your "regular" guy, this bacteria helps your digestion and is actually good for you!
• Great reminder to eat healthy
• Learn about your digestion system and lactose intolerance

Beer & Bread (Saccharomyces Cerevisiae) Gift Code: WS0916B
Beer & Bread (Saccharomyces cerevisiae) under a microscope!
Come and get it! This microbe is a baker, and a brewer -- and a scientist to boot.
• Great gift for beer enthusiasts -- and bakers!

Bifido (Bifidobacterium Longum) Gift Code: WS0916C
Bifido (Bifidobacterium longum) under a microscope!
Bifidobacterium longum is one of the most prevalent micro-organisms in your intestinal tract. And it's a probiotic ("pro-life"), so it's good for you! Trust your gut, and get one today.
• Great reminder to keep eating right and stay healthy
Yogurt (Lactobacillus Bulgaricus) Gift Code: WS0916D
Yogurt (Lactobacillus bulgaricus) under a microscope!
One of the oldest foods in the worlds, yogurt is surprisingly live and active -- and well-cultured too!
• Great reminder to eat right and stay healthy

Our Gift with every order of $200 or more. Choose one Giant Microbe Gift Code per order. Limited quantity. When gone we reserve the right to substitute.

Click here for details!

Please include the Gift Code for your Microbe choice when placing an order via website, phone or fax.
When ordering on the website place this Gift Code in the "Notes/Instruction" field at check out (and not in the "Promo Code" box).


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Request the 2016-17 Product Catalog

2016-17 COVER-NLT.jpgOur 2016-17 specialized 265-page Buyer's Guide is dedicated to dairy, food and water testing. Inside, you'll find many exclusive and hard-to-find items, not to mention other great reasons to go with Weber:

  • Heavily discounted prices without any of the hassle
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Natashia Waldron

Customer Service Representative

Weber Scientific can special order, promptly and at a competitive price, just about any item, large or small, that you might need for your laboratory.
Simply call (800) 328-8378 or

email info@weberscientific.com

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