Factors causing alterations of the level of inorganic phosphorus in the blood of zebu cattle

1960 ◽  
Vol 54 (2) ◽  
pp. 235-242 ◽  
Author(s):  
D. H. L. Rollinson ◽  
R. M. Bredon
Keyword(s):  
Significant Relationship ◽  
Inorganic Phosphorus ◽  
Blood Levels ◽  
Steady Increase ◽  
Zebu Cattle ◽  
Phosphorus Level ◽  
Pasture Grass ◽  
Cattle Blood ◽  
Subnormal Level ◽  
Phosphorus Levels

Studies have been made on calcium and inorganic phosphorus in pasture grass and their relationship to blood levels in Zebu cattle.Excitement, adrenaline injections and fatigue were investigated as possible causes of variations in the inorganic-phosphorus levels of the blood of Zebu cattle.Sudden rainfall appeared to cause alterations in the inorganic phosphorus levels of blood. This hypothesis, when tested on two separate batches of cattle on two occasions, showed that there was a highly significant relationship between water intake and the level of inorganic phosphorus of Zebu cattle blood.Water starvation caused a steady increase in the level of inorganic phosphorus and when water was available for the cattle to drink the inorganic phosphorus level fell rapidly to a subnormal level before returning to normal. These results are discussed in the light of the available literature.

scholarly journals Variations in serum calcium, inorganic phosphorus and magnesium levels due to stage of lactation, season, and age in Ayrshire cows injected with vitamin D3 prior to calving

1970 ◽  
Vol 42 (1) ◽  
pp. 8-20
Author(s):  
Vappu Kossila ◽  
Paavo Niemelä ◽  
Erkki Koskenkorva
Keyword(s):  
Vitamin D ◽  
Serum Calcium ◽  
Calcium Level ◽  
Serum Calcium Level ◽  
Inorganic Phosphorus ◽  
Feeding Period ◽  
Phosphorus Level ◽  
Blood Samples ◽  
Grazing Period ◽  
Phosphorus Levels

Blood mineral studies were carried out in the dairy herd of the Viik Experimental Farm, in which parturient paresis has been successfully prevented by intramuscular injections of vitamin D3 (2 X 5 million I.U.). The material consisted of 41 cows from which 207 blood samples had been taken in 1963 and 12 cows (6 controls, 6 vitamin D injected cows) from which 72 blood samples had been taken in 1969. All cows were either dry and pregnant or lactating and nonpregnant. Compared to values obtained during the dry period, the serum calcium level was only slightly lower shortly after calving. The calcium level increased in the vitamin D treated cows during the ascending phase of lactation, whereas both the calcium and inorganic phosphorus levels remained relatively low in the control cows, respectively. The highest mean magnesium levels occurred during the 2nd and 3rd weeks of lactation. The serum calcium level was higher during the grazing period than during the indoor feeding period. Inorganic phosphorus remained at a relatively high level in younger cows during the grazing period, whereas a significant decrease was noted in the phosphorus level of older cows, respectively. The lowest magnesium values were noted in May, i.e. already before the beginning of the pasture season, the concentration increasing towards the end of the grazing period especially in younger cows. As a whole, younger cows had slightly higher mean serum calcium and magnesium levels and significantly higher inorganic phosphorus levels compared to older cows. The effect of age on the inorg. phosphorus level appeared to be more marked in dry cows and during the grazing period than in lactating cows and during the winter feeding period. Special attention has been paid to the blood mineral values of four individual cows suffering from various illnesses during the study period.

scholarly journals RELATIONSHIP BETWEEN INORGANIC PHOSPHORUS AND INORGANIC CALCIUM IN CHICKEN BLOOD PLASMA

1969 ◽  
Vol 49 (2) ◽  
pp. 193-195 ◽  
Author(s):  
E. E. Gardiner
Keyword(s):  
Blood Plasma ◽  
Inorganic Phosphorus ◽  
Regression Equations ◽  
Plasma Samples ◽  
Phosphorus Level ◽  
Dietary Phosphorus ◽  
Low Levels ◽  
Chicken Blood ◽  
Phosphorus Levels

Male crossbred broiler-type chickens were fed graded levels of dietary phosphorus from hatching to 4 weeks of age. Plasma inorganic phosphorus and plasma inorganic calcium were determined on aliquots of blood plasma samples taken when the chickens were 4 weeks of age. The level of plasma inorganic phosphorus decreased when the chickens were fed low levels of dietary phosphorus. The level of plasma inorganic calcium was inversely related to the plasma inorganic phosphorus level. Regression equations were different for each of the four dietary phosphorus levels fed. The sum of plasma inorganic phosphorus and plasma inorganic calcium was very similar for the four treatments.

THE EFFECT OF GLUCAGON ON BLOOD SUGAR AND INORGANIC PHOSPHORUS LEVELS IN NORMOTHERMIC AND HYPOTHERMIC RATS

1965 ◽  
Vol 43 (4) ◽  
pp. 601-610 ◽  
Author(s):  
Anne L. Crawford ◽  
Margaret J. Henderson ◽  
Rosemary D. Hawkins ◽  
R. E. Haist
Keyword(s):  
Blood Sugar ◽  
Inorganic Phosphorus ◽  
Phosphorus Level ◽  
Significant Fall ◽  
Phosphorus Levels

Injection of glucagon into normothermic rats led to hyperglycaemia, and a significant fall in blood inorganic phosphorus levels. In hypothermic rats (25 °C) the injection of glucagon did not produce hyperglycaemia but the reduction in blood inorganic phosphorus levels was still obtained. Following the administration of glucagon, an increase in the excretion of inorganic phosphorus in the urine was observed in both normothermic and hypothermic rats. The fall in blood inorganic phosphorus level was considered to be due, in part at least, to the effect of glucagon in increasing the excretion of phosphorus in the urine.

PHOSPHORUS AND LACTIC ACID METABOLISM IN THE HYPOTHERMICRAT

1961 ◽  
Vol 39 (8) ◽  
pp. 1267-1275 ◽  
Author(s):  
John R. Beaton ◽  
T. Orme
Keyword(s):  
Lactic Acid ◽  
Rectal Temperature ◽  
Acid Metabolism ◽  
Artificial Ventilation ◽  
Inorganic Phosphorus ◽  
Progressive Increase ◽  
Blood Levels ◽  
Lipid Phosphorus ◽  
Lactic Acid Metabolism ◽  
Phosphorus Levels

Further observations on the increase in blood levels of inorganic phosphorus and lactic acid in hypothermic rats are reported. Progressive increase in blood inorganic phosphorus levels with continued cooling to a rectal temperature of 5 °C appears to be a consequence of catabolism of organic, non-lipid phosphorus. With continued cooling, blood lactic acid is progressively increased; liver lactic acid increases initially, returning, at 5 °C, to control values; muscle lactic acid increases initially and thereafter remains relatively constant. Progressive increases in blood levels of inorganic phosphorus and lactic acid with continued cooling appear to be related to the depth, rather than duration, of hypothermia. Rewarming hypothermic (15 °C) rats to 37 °C rectal temperature with artificial ventilation reduces lactic acid levels of blood, liver, and muscle to less than control values. Rewarming alone was found to reduce blood lactic acid levels to less than control values. Elevation of blood lactic acid levels consequent upon hypothermia was prevented by provision of oxygen during cooling but not by pentobarbital anesthesia. These observations are consistent with the hypothesis that, in the hypothermic rat, the available oxygen is insufficient to meet even the reduced metabolic requirements.

scholarly journals Serum inorganic phosphorus levels predict 30-day mortality in patients with community acquired pneumonia

2015 ◽  
Vol 15 (1) ◽  
Author(s):  
Mohammad E. Naffaa ◽  
Mona Mustafa ◽  
Mohje Azzam ◽  
Roni Nasser ◽  
Nizar Andria ◽  
...  
Keyword(s):  
Inorganic Phosphorus ◽  
Community Acquired Pneumonia ◽  
Phosphorus Levels

scholarly journals Status of metabolic processes in horses during spring period

2019 ◽  
pp. 88-91
Author(s):  
N. O. Kravchenko ◽  
L. V. Kovalenko ◽  
O. P. Rudenko ◽  
V. S. Boiko
Keyword(s):  
Metabolic Disorders ◽  
Average Rate ◽  
Inorganic Phosphorus ◽  
Metabolic Processes ◽  
Horse Breed ◽  
Spring Period ◽  
Γ Globulins ◽  
Horse Blood ◽  
Biochemical Indices ◽  
Phosphorus Levels

The purpose of these studies was to determine status of metabolic processes in clinically healthy horses of sport breeds in spring period. Blood samples for biochemical studies were collected from 12 clinically healthy 7–9 month-old stallions of Ukrainian horse breed at Dnipropetrovsk region equestrian club. Protein (albumin, globulin, urea and creatinine) and mineral (common calcium and inorganic phosphorus) metabolic statuses, level of glucose, vitamins A and E and acid, as well as activity of hepatospecific enzymes (ALT, AST and AP) were determined using common techniques. It has been found that common protein level was within the limits of physiologic norm, although the level of albumins was decreased at the average rate of 12.0%, and the level of β- and γ-globulins was increased at the average rates of 5.2 and 11.3% respectively. AST activity was decreased at the rate of 38.0% regarding to physiological norm. Thereby, urea and creatinine concentrations were within the referent levels. Hyperglycaemia was observed in 50.0% of tested animals with maximal excess at the rate of 44.0%. Also, decreasing of common calcium and inorganic phosphorus levels was determined at the rate of 16.0 and 58.6%, vitamins А and Е — at the rate of 64.0 and 48,6% respectively, in comparison to lower level of physiological norm. The average index of acid capacity reached maximal referent levels. At the same time, it was increased in 33.3% of animals. Therefore, detected changes in biochemical indices in horse blood evidence that various metabolic disorders progress in clinically healthy stallions at spring and may furtherly lead to the appearance of metabolic syndrome

Effects of soils, fertilizers and stocking rates on pastures and beef production on the Wallum of south-eastern Queensland. 3. Relation of liveweight changes to chemical composition of blood and pasture

1973 ◽  
Vol 13 (64) ◽  
pp. 537 ◽  
Author(s):  
RF Thornton ◽  
DJ Minson
Keyword(s):  
Plasma Concentrations ◽  
Inorganic Phosphorus ◽  
Nitrogen And Phosphorus ◽  
The Difference ◽  
Treatment Comparisons ◽  
Mineral Levels ◽  
Induced Changes ◽  
Stocking Rates ◽  
Phosphorus Levels

During the concluding phase of a six-year grazing trial a study was made of the steers and the pasture material from paddocks annually fertilized with 125 kg ha-1and 250 kg ha-1of superphosphate. Plucked pasture samples from the low and high superphosphate treatments contained 0.11 and 0.15 per cent phosphorus, 0.83 and 0.91 per cent nitrogen and 0.12 and 0.12 per cent sulphur, respectively. The N: S ratio of these samples were 6.8 and 7.6 and the in vitro digestibilities were 41.6 and 44.9 per cent. There were marked seasonal patterns in the concentrations of all components with minimum values in the winter months when liveweight gain was lowest. Greater superphosphate application increased mean liveweight gain (0.29 to 0.41 kg head-1day-1), mean plasma concentrations of both urea-nitrogen (6.3 vs 5.0 mg 100 ml-1) and of inorganic phosphorus (6.7 vs 6.3 mg 100 ml-1). The mean blood sulphate-sulphur concentration of 28 �g ml-I was not influenced by treatment. Comparisons of the levels of nutrients in pasture and blood with published requirements indicated that neither sulphur nor phosphorus were deficient in either treatment. However, the between treatment differences in both nitrogen and phosphorus levels could not be ignored as possible reasons for the difference in animal production between the two levels of superphosphate application. Improved animal performance associated with increased application of superphosphate was probably influenced more by the induced changes in the organic components rather than the mineral levels of the pasture material.

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