Jens Erk Bartels

Learn More
Selection for a high (H) or low (L) incidence of tibial dyschondroplasia (TD) at 7 wk of age was practiced for four generations in broiler breeders using low intensity x-ray imaging (Lixiscope) for TD diagnosis. As a result, broiler lines with H or L incidence of TD at 7 wk of age were developed keeping a randomly selected control (C) broiler line. A total(More)
Bulls and bucks were used to study the blood flow into and out of the corpus cavernosum penis (CCP) during the non-erect state of the penis. When contrast medium was injected into the dorsal artery of the penis in a bull cadaver and into surgically implanted catheters of anesthetized bucks, it flowed into the cavernous spaces of the CCP via the penetrating(More)
The progression of hip dysplasia was investigated in 116 military working dogs. Medical records were reviewed for any clinical history of hind-limb lameness. Pelvic radiographs were studied for evidence and degree of hip dysplasia, degenerative joint disease, or both. The number of months each dog worked was determined. Each dog's age at termination from(More)
A technique for early detection of tibial dyschondroplasia (TD) in live broilers was developed using the Lixiscope, a hand-held, real-time skeletal imaging device. The Lixiscope utilizes 125I gamma energy (27 keV), which is converted to electrons and then to visible energy, for imaging by way of an output phosphor or electron-to-photon conversion. Image(More)
Selection for a high or a low incidence of tibial dyschondroplasia (TD) at 7 wk of age was practiced for four generations in broiler breeders keeping an unselected control (C) line and using low intensity X-ray imaging for TD diagnosis. The incidence of TD, BW at 4 and 7 wk of age, age at first egg, and egg production for the first 12 wk of production were(More)
The distribution of a chondroitin-6-sulfate (C6S) epitope, which is a biochemical marker of chondrocyte hypertrophy, was studied in the growth plates of two lines of 3-week-old broiler chickens with low and high genetic predispositions to tibial dyschondroplasia (TD). Ultrathin sections of growth plates from both groups were subjected to immunolocalization(More)
A diagnosis of vertebral multiple myeloma, based on radiographic evidence of osteolytic lesions and the finding of monoclonal paraprotein and large numbers of plasma cells in bone marrow biopsies, was made in a mature Doberman Pinscher. The abnormal serum paraprotein was a cryoglobulin of the immunoglobulin A class. Neurologic signs associated with the(More)
Serial angiography was used to determine blood flow patterns to the penis of rams and bucks. Animals were anesthetized and the internal pudendal artery was catheterized so that contrast medium could be injected toward the crus penis area. By comparing vascular patterns of the ram and buck during erection, it was found that flow patterns of the corpus(More)