UNIVERSITY PARK - With the use of progesterone analysis of milk and blood, dairy scientists -have recently been able to £ determine if cows are actually in heat at the time of insemination. Michael L. O’Connor, Penn State Extension daily specialist, says some studies have indicated that as much as one-fifth of the cows presented for breeding are not in true heat. “This has been proven by high levels of progesterone at the time of breeding,” he explains. “When these cows are. bred, conception fill) 1972-1982 PENNSYLVANIA BENEDICT’S FORD TRACTOR R.D.2 Wellsboro, PA 16901 717/724-2839 BERKLEIGH POWER EQUIP., CO., INC. 10S.2ndAve W. Reading, PA 19611 215/376-6506 NORMAN D. CLARK fc SON, INC. Honey Grove, PA 17035 717/734-3682 GRUMELL’S FARM SERVICE R.D.#2,80x36 Quarryville, PA 17566 717/786-7318 Eliminate errors in heat detection rates have been poor.” The Penn State specialist offers some possible reasons why these misbreedings may occur: Incorrect signs of heat Breeding cows based on symptoms other than standing heat are the major contributing factor. The only accurate sign of true heat is when a cow stands to be ridden by another animal. Symptoms such as attempting to ride other animals, restlessness, mucus discharge, reddened swollen genitalia, and other signs are often interpreted as sure signs Kubota’s got the field covered when it comes to mid-size tractors. With so many models to choose from, ranging from 12 to 81 hp, you’re sure to find one that’ll be at home on your range. Of course, the tractors vary in strength and capabilities, but they’re all designed to work with a variety of implements. And each one features the economical, fuel efficient Kubota diesel engine. FIELDER’S CHOKE. PAUL W. HISTAND CO., INC. 697 N. Main St., Box 795 , Doylestown, PA 18901 215/348-9041 KELLER BROS. TRACTOR CO. R.D. #7, Lebanon, PA 17042 717/949-6501 730 S. Broad St, Lititz, PA 17543 717/626-2121 MARSHALL MACHINERY, INC. R.D.04 Honesdale, PA 18431 717/729-7117 O.C. RICE, INC. 104 N. Main St., P.O. Box “C” BiglerviUe, PA 17307 717/677-8135 of heat. But such signs are not reliable, says O’Connor. They can occur before, during, or after standing heat. However, these secondary signs may be useful in selecting cows to watch more closely for standing heat. Misidentification With the size of dairy herds continuing to in crease, cow identification becomes a problem. Misidentification of a cow in heat can easily occur when a large number of animals are being observed. O’Connor recommends using heat mount Take a look. Given the choice, we think you’ll choose Kubota. dKUBOTR We’re looking for work. RISHEL’S SALES & SERVICE E.D. #2, Spring Mills, PA 16875 814/422-8826 State College, PA 16801 814/238-7788 SEBRING'S POWER HOUSE North Fifth At Ave. “C” Stroudsburg, PA 18360 717/421-8980 STRALEY FARM SUPPLY,, INC. 1760 East Canal Road Dover, PA 17315 717/292-4443 or 292-2631 THOMAS POWER EQUIPMENT *G-IND. EQUIPMENT CO., INC. So. Penna. Ave., Box 546 1207 Telegraph Road Avondale, PA 19311 Risin 8 Sun > 840 21911 215/268-2181 301/658-5568 & 398-6132 215/200-2181 215/869-3542 TRACTOR PARTS COMPANY 355 Central Road Bloomsburg, PA 17815 717/784-0250 Lancaster Farming, Saturday, October 23,1982—A35 detectors, large visible ear tags, chalk or crayon markings, and freeze brands to aid identification. Remember to clearly write down the number of the cow in heat so that no one is confused when it is time to breed. Facilities and location When checking heat, choose a location that allows animals to freely in teract. Obstructions or con finement facilities such as holding pens, alleys, free stalls, or feed bunks can restrict movement. Cows could be forced to stand NEW JERSEY MATERIAL HANDLING SYSTEMS 1320 Route 38 Hainesport, NJ 08036 609/267-6100 PONIATOWSKI BROS. EQUIP. CO. Route 31 & Church Street Flemington, NJ 08822 201/782-3514 MARYLAND ARNETT’S GARAGE Rt. 9, Box 125 Hagerstown, MD 21740 301/733-0515 while being mounted even though they are not in heat. A small pasture or exercise lot in the vicinity of the bam may be ideal for heat detection. Date set for ‘B3 Delmarva corn, soybean conference NEWARK, Del. - The 1963 Delmarva Com and Soybean Con ference has been scheduled for Feb. 3 at the Wicomico Youth and Civic Center in Salisbury, Md. In keeping with the conference theme, “Back to Basics,” the program will focus on ways farmers can manage more ef fectively during these difficult economic times. There will be talks on developing marketing strategy, controlling escaped weeds in soybeans, machinery 'safety and common sense management. There also will be a series of presentations on soil fertility, in cluding soil testing and minor elements, the use of animal manures, the pros and cons of sludge, and efficient use of nitrogen, phosphorus and potassium. The conference is being sponsored by the Maryland and Delaware Cooperative Extension Services and local agribusiness firms. Watch local papers for further information. STRIKE IT RICH! SELL IT m A LANCASTER FARMING CLASSIFIED
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