For Sale: Miscellaneous Items:
Bonsma Lectures available for Sale
"Bonsma Lectures" is a series of invitational lectures given before The International Stockman's School by Dr. Jan Bonsma from 1968 to 1979. Professor Bonsma was a scholar and a philosopher. He is famed internationally as an ecologist---for his knowledge of the relation of animals to their environment, and to each other. His pioneering research findings and concepts based on anatomy led to his uncanny visual appraisal of cattle for functional efficiency. In his unique laboratories, he illustrates and describes the difference in appearance between highly fertile and lowly fertile animals; and he had the fantastic ability to tell, with a high degree of accuracy, the past calving record of cows by visual appraisal.
This 151 page soft cover spiral bond book has an additional 21 pages of text and illustrations added. This is the next best publication to Bonsma's "Man Must Measure" which is out of print and next to impossible to find.
Bonsma's Lectures is a must for the serious stockman's library. But don't put it on the shelf. It is a must read - several time over. Learn about confirmation and judging for functional efficiency, selecting the herd sire and stud female, about adaptability, livestock ecology, heritable defects, and crossbreeding.
Cost is $42 per copy which includes handling and shipping. Send a check payable to Laurel Hoffman and mailing information to Laurel Hoffman, 1680 Maple Road, New Bethlehem, PA 16242.
Linear Measuring Calipers
Harlan Doeschot, of Golden Link along with his sons measured a lot of cattle over the years. One of the many correlations they found was that for each inch the Heart Girth exceeded the Top Line measurement, the animal had thirty-seven more pounds of red meat. Each two inch increase in the heart girth over top line measurement resulted in one less pound of feed (in the feedot) to put on a pound of gain! Imagine, more pounds of finished beef that cost even less to produce. A "win-win-win"
For each inch he/she was deficient they lost thirty-seven pounds of red meat production and they ate more feed. What this boils down to is, you can determine the meat-to-bone ratio of your calves, yearlings, cows and bulls very objectively by going through this process. At retail grass finished beef prices, what does an extra 37, 74, 117 pounds bring back to you?
Linear Measurement can be used to determine if a 8 month old heifer calf is built for calving ease. Will a 12 month old bull calf possess enough masculinity to be fertile, get the calf out of the cow on time, and be durable and functional on your farm and improve all of his offspring along the way?
Along with the hardware, there will be a DVD in the box with a 7 pages of information on linear measurement; why and how and two pages of field sheets, along with the 9 videos Gearld Fry and I put on You Tube.
Price for everything $200 plus shipping
Call or email to order.
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