Water salinity effects on performance and rumen parameters of lactating grazing Holstein cows.

Eighteen multiparous lactating grazing Holstein cows, 9 ruminally cannulated, average 136.1 +/- 14.6 days in milk, were randomly assigned to three treatments consisting of water containing different levels of total dissolved solids (TDS; mg/l): Treatment 1 = 1,000; Treatment 2 = 5,000 and Treatment 3 = 10,000, at the Experimental Dairy Unit at Rafaela Experimental Station (31 degrees 11'S latitude) during summer 2005.

[Total bacterial count in raw milk from the dairy farms that characterize the zone northwest of Santa Fe and south of Santiago del Estero].

A total of 6,998 raw milk samples of bulk tank, belonging to 55 dairy farms associated to the Cooperativa Tambera Nueva Alpina Ltda., were collected between the years 1993 and 2002. The Total Mesophilic Aerobic Microorganisms Count was analyzed, obtaining a medium value of 1.

[Description of a case of squamous cell carcinoma of the renal pelvis].

A case of squamous cell carcinoma of renal pelvis is reported. A 73-year-old Caucasian male complained of macrohematuria. The echography and Computer Tomography scan of the abdomen and pelvis revealed a large tumor mass in the right kidney associated with lymphadenopathy.

[Vesico-vaginal fistula after abdominal hysterectomy. Use of the Legueu technique].

Vesicovaginal fistulas are commonly seen as a complication of abdominal (or vaginal) Hysterectomy. The signs and symptoms of a vesicovaginal fistula depend upon its size and location. Identification of a vesicovaginal fistula includes an intravenous urogram; cystoscopy may be performed in order to evaluate the possibility of immediate or delayed repair.