thin sole as a cause of sole hemorrhages: study on a herd level
نویسندگان
چکیده
this study was carried out in the winter of the year 2007 in a dairy herd at the vicinity of tehran (eslamshahr). measurements were performed on 18 holstein cows during first-lactation. five holstein dairy cattle were randomly selected and clinically studied, too. length of the claw’s dorsal flexure was measured with a ruler and also the hooves trimmed in the toe vertically for measuring of the white line height. in each case, the lesions of the hoof horn associated with hemorrhage and erosion of the solar surface were recorded and were illustrated their geographical distribution.in the heifers, positive correlation was seen between length of the claw’s dorsal flexure and thickness of sole horn (p<0. 05). fifty-five perpercent of feet with thin soles had pathological claw horn lesions including sole hemorrhage that were located on the claw’s different regions. the most of lesion of solar surface have seen on the typical site of sole ulcer, white line zone and heel zone. results showed that thin sole can initiated significantly more pathologic finding as compared to the normal hoof claws. in additions, concrete walking surface, commingling of animals and prolonged water contact of the claw horn have found aggravating factors in this dairy herd.
منابع مشابه
a study on construction of iranian life tables: the case study of modified brass logit system
چکیده ندارد.
15 صفحه اولheadache as a sole manifestation of non-convulsive status epilepticus
non-convulsive status epilepticus (ncse) may present with several manifestations, many of which may not be obvious. the most important tool for the diagnosis of ncse is the electroencephalograph (eeg) pattern. this is a case report of a boy 9 years of age presenting with severe and continuous headache. he had received chemotherapy for histiocytosis, diagnosed at the age of 3.5 years. no evidenc...
متن کاملthe inheritance of a wife as sole inheritor
article 905 & 949 of iran civil code says that: if there is no inheritor other than husband, he takes all inheritance; but according to article 949: if a wife is sole heir, she takes her portion, that is one fourth, and the reminder will be regarded heirless and encountered according to article 866. this discrimination between wife and husband is based on the famous opinion of shiite jurisprude...
متن کاملthe effect of consciousness raising (c-r) on the reduction of translational errors: a case study
در دوره های آموزش ترجمه استادان بیشتر سعی دارند دانشجویان را با انواع متون آشنا سازند، درحالی که کمتر به خطاهای مکرر آنان در متن ترجمه شده می پردازند. اهمیت تحقیق حاضر مبنی بر ارتکاب مکرر خطاهای ترجمانی حتی بعد از گذراندن دوره های تخصصی ترجمه از سوی دانشجویان است. هدف از آن تاکید بر خطاهای رایج میان دانشجویان مترجمی و کاهش این خطاها با افزایش آگاهی و هوشیاری دانشجویان از بروز آنها است.از آنجا ک...
15 صفحه اولCarotenoid Production by Rhodotorula sp. on Fruit Waste Extract As a Sole Carbon Source and Optimization of Key Parameters
Fruit waste extract was selected as the sole substrate for carotenoid production and the effect of parameters like pH, temperature and agitation have been studied. A two-step simple sequential strategy was employed for the optimization of carotenoid production by Rhodotorula rubra. In the first step, one factor at a time was employed to evaluate the impact of pH on carotenoid production. Th...
متن کاملمنابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دامپزشکیجلد ۲۲، شماره ۱، صفحات ۳۱-۳۷
میزبانی شده توسط پلتفرم ابری doprax.com
copyright © 2015-2023