Browsing by Subject "teat"
Now showing items 1-8 of 8
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Bacterial flora and risk of infection of the ovine teat duct and mammary gland throughout lactation
(2007)We collected samples of teat duct material and mammary secretion from ewes in three farms (flock A, polyparous n = 7; flock B, polyparous n = 6, primiparous n = 4; flock C, polyparous n = 4): 14 samples immediately after ... -
Description and validation of a novel technique to study the bacterial flora of the teat duct of ewes
(2006)We describe a new technique that may be used for studying the bacterial flora of the teat duct in live ewes, and we present evidence regarding its accuracy, safety and repeatability. A sterile, plastic, 20 G catheter is ... -
Effects of experimental challenge of ewes with Mannheimia haemolytica on subsequent milk composition
(2008)The objective was to describe the physicochemical changes during the early phase of subclinical mastitis and to associate them with pathological findings. A Mannheimia haemolytica strain was deposited into one teat duct ... -
The effects of inoculation of Mannheimia haemolytica into the teat of lactating ewes
(2005)The objectives of the work described in this paper were: (i) to study the outcome of challenging ewes with Mannheimia haemolytica, at different sites of their teats, (ii) to compare the effects of two different isolates ... -
Experimentally induced teat stenosis in dairy ewes: Clinical, pathological and ultrasonographic features
(2004)A strain of Staphylococcus chromogenes was introduced into the teat cistern of five ewes, teat inflammation and stenosis being the primary consequences. Initially, the inoculated teats were swollen and warm; later, a hard ... -
Presence of sub-epithelial lymphoid tissues in the teat of ewe-lambs and adult ewes
(2007)In the first part of the study, 24 clinically healthy teats from non-lactating ewe-lambs were examined bacteriologically and histologically. No bacteria were isolated from any of these teats; lymphocytes were observed in ... -
Teat disorders predispose ewes to clinical mastitis after challenge with Mannheimia haemolytica
(2006)In order to study the effects of sheep teat disorders on the protection of the mammary gland, we used a Mannheimia haemolytica isolate, which did not cause clinical mastitis when deposited into intact teats. In the first ...