A model cell which controls its cation composition and volume by the action of a K-Na exchange pump and leaks for both ions working in parallel is presented. Equations are formulated which describe the behavior of this model in terms of three membrane parameters. From these equations and the steady state concentrations of Na, K, and Cl, values for these parameters in high potassium (HK) and low...

ABSTRACT: Poisoning by Trema micrantha commonly causes hepatocellular necrosis in cattle, sheep, and goats edema cerebral hemorrhage horses. This plant can cause toxic pneumopathy there is only one report of the natural form experimental State Rio Grande do Sul. study aimed to an outbreak respiratory poisoning T. sheep. Six sheep developed clinical signs after consumption four them died two rec...

Trials were conducted on a farm in Mpumalanga Province in South Africa to test the possibility of grading the colour of the ocular mucous membranes of sheep as an indication of the extent to which the animals are affected by Haemonchus contortus infection. The range of observed colour shades were classified into five categories, from red, through red-pink, pink and pink-white to white. Over a p...

Toxicity studies of 0,0-diethyl-0-(2- isoprophyl-6-methyl-4-pyrimidinyl) phosphorothioate (DiazinonR) was carried out in the Balami breed sheep. The agent administered orally daily for one week at rate 20, 25 and 30mg/kg body weight to groups dose produced transient clinical signs Diazinon inhibited plasma red blood cell cholinesterase activity. intensity inhibition more with occurred as from d...

The sequence of amino acid residues comprising the major form of sheep red cell carbonic anhydrase C has been determined. The primary sequences of peptides derived from cyanogen bromide cleavage and tryptic digestion were obtained primarily through the use of the Edman degradation procedure. The ordering of these peptides in the sheep molecule is based on the high degree of homology between the...

The sensitivity of Streptococcus faecalis (ATTC 8043) to S. zymogenes X-14 bacteriocin depends greatly on its physiological age. Sensitivity decreases from the mid-log phase on and is completely lost in the stationary phase. The sensitivity of erythrocytes to the hemolytic capacity of the bacteriocin showed considerable species variation. The order of increasing sensitivity was goose < sheep < ...

Preference among tree fodders in four Madras red breed of sheep and four kanni breed of goats fed with four locally available tree species viz. Albizia lebbek, Gliricidia sepium, Leucaena leucocephala and Inga dulce was studied through intake studies by cafeteria method for a period of 35 days. The nutrient composition of the tree leaves was analysed. Leucaena leucocephala was mostly preferred ...