Pharmacokinetics of metamizole (dipyrone) as an add-on in calves undergoing umbilical surgery.

This preliminary clinical investigation of the pharmacokinetic behavior of the main metamizole (dipyrone) metabolites 4-methylaminoantipyrine (4-MAA) and 4-aminoantipyrine (4-AA) in calves undergoing umbilical surgery is part of an already published main study. A single intravenous dose of metamizole was added to ketamine/xylazine/isoflurane anesthesia. Eight Simmental calves weighing 90 ± 10.

Use of metamizole as an additional analgesic during umbilical surgery in calves.

Objective: To investigate the effect of metamizole on physiologic variables in calves undergoing surgical extirpation of the navel during anaesthesia using xylazine, ketamine and isoflurane.

Study Design: Double-blind, randomized trial.

Animals: A total of 26 calves.

The course of plasma cortisol concentration after three different doses of ketamine in xylazine-premedicated calves.

Objective: To investigate the influence of ketamine on plasma cortisol concentration (PCC) in calves.

Study Design: Prospective, randomized experimental study.

Animals: A total of 41 healthy, predominantly cross-bred calves, aged 3-4 months.

[Herd health problems with a focus on potential involvement of Clostridium botulinum in dairies in Bavaria. - A survey among veterinarians].

Objective: To evaluate the perceptions of Bavarian bovine practitioners in regard to ailments that could potentially be associated with chronic infections.

Material And Methods: A questionnaire-based survey consisting of two parts was conducted via telephone. The questionnaire contained five main inclusion criteria and seven further criteria for inclusion in the second, special part of the study.

Infrared thermography of the udder after experimentally induced Escherichia coli mastitis in cows.

The study aimed to use infrared thermography (IRT) to evaluate the changes in udder surface temperature after induction of Escherichia coli mastitis in the right hind quarter. Over a time period of 24 h before to 24 h post-inoculation, thermograms of both hind quarters were taken every 2 h to determine maximum (Tmax) and average (Tavg) temperatures. Differences in both maximum and average temperatures (DTmax and DTavg) were calculated, as well as temperature differences between both hind quarters.

Developing an accurate method for estimating thyroid volume in calves using ultrasonography.

Diseases of the thyroid gland with struma formation can occur in calves suffering from iodine deficiency. The aim of the study was to develop a guideline for standardized ultrasonographic examination of the thyroid gland in order to determine its volume. Sonographic measurements of the thyroid lobes were carried out on three standardized axes in calves up to 3 months of age (n = 83).

Infrared thermography of the udder surface of dairy cattle: characteristics, methods, and correlation with rectal temperature.

Thermograms of the caudal udder surface were taken of five healthy cows before and after inoculation of Escherichia coli into the right hind quarter. Images in clinically normal udder quarters from cows without fever (CN) were compared with those post inoculation when cows had fever (⩾ 39.5°C) and showed elevation of somatic cell counts (⩾ 400,000 cells/mL) in the inoculated quarter (CM).

[Comparison of three different anesthesia procedures in calves with respect to possible pain-associated reactions].

The objective of this study was to compare the effects of three anaesthetic protocols with respect to possible pain-associated reactions: injection (INJE) with xylazine (0.2 mg/kg), ketamine (5 mg/kg) and local anaesthesia (procain 2%); a combination of injection and inhalation (KOMB) with xylazine (0.2 mg/kg), ketamine (2 mg/kg), and isoflurane (1.

[Euthanasia of cattle: a clinical comparison of T 61 and pentobarbital (Eutha 77)].

The objective of this study was a comparison of pentobarbital and T 61 in the euthanasia of cattle. 397 cattle of different ages and breeds which had to be euthanised in the Clinic for Ruminants were enrolled. Following clinical examination, euthanasia was performed by intravenous injection of either 40 mg pentobarbital per kg body weight (BW) (0.