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Wednesday, July 22, 2020 | History

2 edition of Observations on the mineral metabolism of pullets found in the catalog.

Observations on the mineral metabolism of pullets

Robert Haddon Common

Observations on the mineral metabolism of pullets

II.

by Robert Haddon Common

  • 178 Want to read
  • 21 Currently reading

Published in Cambridge .
Written in English


Edition Notes

From Journal of agricultural science, 26.

Other titlesJournal of agricultural science.
The Physical Object
PaginationPp. 85-100 ;
Number of Pages100
ID Numbers
Open LibraryOL19483660M

To obtain data on energy metabolism of chickens, results from both pen and cage phases were used. The total energy retained in the carcass (REc; MJ) was calculated as follows: in which E 21 is the total energy (MJ) of chicken carcass at 21 d old and E 0 is the total energy (MJ) of chicken carcass at the beginning of the experiment at day old.   Free Online Library: Mineral retention in young broiler chicks fed diets based on wheat, sorghum or maize.(Report) by "Asian - Australasian Journal of Animal Sciences"; Agricultural industry Biological sciences Animal feeding and feeds Nutritional aspects Physiological aspects Usage Animal nutrition Research Broilers (Chickens) Food and nutrition Broilers (Poultry) Calcium pantothenate .

Abstract. Numerous physiological and other factors produce variation in the mineral composition of the blood of healthy sheep, so much so that it would be impossible to establish normal values which are applicable to more than very small groups of animals, even if analytical uniformity among laboratories could be placed on a satisfactory footing (). Harry Boströum, Erik Odeblad, Autoradiographic observations on the incorporation of S35‐labeled sodium sulfate in the rabbit fetus, The Anatomical Record, /ar, , 3, .

Zn is one of the key trace minerals for chickens and although it maintains. Trace minerals and hormone metabolism. books and the lack of real data on local ingredients. Mineral. Gorman I, Balnave D. Effects of dietary mineral supplementation on the performance and mineral excretions of broilers at high ambient temperatures. Br Poult Sci. ; – Han Y, Baker DH. Digestible lysine requirement of male and female broiler chicks during the period three to six weeks post-hatching. Poult Sci. ; –


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Observations on the mineral metabolism of pullets by Robert Haddon Common Download PDF EPUB FB2

Daily Ca and P balance experiments together with carcase analyses showed that the CaO content of pullets was raised by feeding a ration containing per cent. CaO. This presumably was stored in the skeleton, which contained about 98 per cent.

of all the body CaO. On a low Ca diet the skeleton contained to per cent. CaO (fat free basis) and on a high Ca diet to per by:   Observations on the mineral metabolism of pullets: VIII.

The influence of gonadal hormones on retention of calcium and phosphorus. The Journal of Cited by: The daily intake and output of calcium, phosphorus, sodium and potassium were determined for 4 pullets (1) 2 on a ration of bran, ground oats, pollards, maize and soya bean meal and CaCO3 ( per cent.) and (2) 2 on the same ration with NaCl ( per cent.).

In Group 2 the Ca retention rose steadily during the 2 weeks preceding laying, when it attained a level of per cent. of the intake, Cited by: Balance experiments with pullets fed on low Ca and adequate Ca diets show that the heavy P excretion at the time of shell formation in case of birds on low Ca intake is accompanied by a simultaneous increase in the excretion of ammoniacal N.

This high P excretion does not occur if the diet provides a sufficient intake of CaC The large excretion of P, often exceeding the intake, must Cited by: In this paper, the hypothesis that some degree of mobilization of skeletal Ca for shell formation is a normal feature of reproductive activity, is reconsidered in the light of data obtained from 26 metabolism experiments.

The accumulated results lend support to this hypothesis and it is suggested that the fraction of bone mineral material which is mobilized has always a higher Ca: P ratio than Cited by: observations on the mineral metabolism of pullets: xii.

the effects of protracted treatment with estrogen and with estrogen plus androgen on retention of sodium. mccully, w. maw, and. For part 11 see Abst.Vol. Balance experiments on immature pullets after intramuscular injection of androgen or oestrogen showed that the hormones were without effect on retention of Na.

The result is contrasted with the finding of Common et al. (Abst.Vol. 18) that both hormones appear to be involved in retention of Ca and P before the onset of laying. Such an intense mineral metabolism is preceded by a period of about two months of low intensity mineral metabolism during which the calcium and phosphorus requirements are extremely low (Berg et al., ).

During the pre-laying period the calcium and phosphate retention reach and – mg./day, respectively (Taylor and Moore, ). Effect of Parathyroid Preparation on the Calcium Metabolism of the Fowl* T. AVERY, H. SCOTT, AND R. CONRAD Kansas Agricultural Experiment Station (Received for publication Janu ) T T HAS been previously reported that the - authors () were unable to demonstrate an increase in the blood calcium of molting hens, immature pullets, nor cockerels by single or repeated.

A means for storage of reserve calcium for actively laying hens of to mg. for egg shell formation has been suggested * Published with the permission of the Director by Common ().

He bases his assumpof the Wisconsin Agricultural Experiment Station. tion upon the data accumulated in mineral [] balance studies in laying pullets. Calcium and Phosphorus Metabolism and Egg Shell Formation in Egyptian Birds HASSAN SALEM AND HUSSIEN REDA Faculty of Agriculture, University of Cairo, Cairo, Egypt (Received for publication ) I N EXPERIMENTS with laying pullets Hainan () noted, in White Leghorns, the storage of calcium before laying and a heavy excretion of phosphorus during laying.

Journals & Books; Help; COVID campus closures: see options for getting or retaining Remote Access to subscribed content Vol Issue 6, 1 NovemberPages Research Notes. Some Observations on the Development of the Pre-Laying Pullet and Young Hen1.

The growth depression of chickens fed on diets high in calcium may be partly caused by the decreased availability of other minerals needed for growth.

Calcium tolerance of growing chickens may be increased by ensuring that there are higher than normal levels of the other required minerals. The influence of high-protein intake on protein and mineral metabolism. The Journal of Agricultural Science, Vol. 27, Issue. 04, p. CrossRef; Google Scholar; Common, R.

Observations on the Mineral Metabolism of Pullets. The Journal of Agricultural Science, Vol. 23, Issue. 04, p. on the Manage Your Content and Devices page.

The combined evidence up to today has pointed out that boron could interact with the metabolism of some macro minerals such as Ca, P and Mg, and ALP, thereby modifying their concentrations in the serum of broiler chickens (Hunt, ; Hunt et al., ; Kurtoğlu et al.,) and laying hens (Eren et al., ). This was the case for the.

ATTEH, J.O., LEESON, S. and JULIAN, R.J. () Effects of dietary levels and types of fat on performance and mineral metabolism of broiler chicks.

Poultry Science - BIRD, F.H. () Magnesium deficiency in the chick. Minerals in food: nutrition, metabolism, bioactivity Harris, Edward D This book presents a technical introduction to all facets of nutritive minerals in foods, including their chemistry, transport, absorption, bioavailability and physiological functions.

These observations, together with the previously reported observation that CaP mineral particles inside membranes are present in blood vessels, leads us to the conclusion that important components of the bone mineralization pathways in rapidly forming chicken bone are dense phase mineral particles bound within membranes.

Chapter 17 covers bone and mineral metabolism in chronic kidney disease, including the role of phosphate in the genesis of the mineral disturbances that accompany chronic kidney disease (CKD), the effects of treatment with active vitamin D receptor ligands on the survival of patients with CKD, FGF23 as the central cause of a variety of phosphate wasting syndromes, and further development in.

Free Online Library: Effects of boron supplementation to diets deficient in calcium and phosphorus on performance with some serum, bone and fecal characteristics of broiler chickens.(Report) by "Asian - Australasian Journal of Animal Sciences"; Agricultural industry Biological sciences Body weight Boron (Nutrient) Dosage and administration Broilers (Chickens) Food and.

The influence of a low boron diet and boron supplementation on bone, major mineral and sex steroid metabolism in postmenopausal women. British Journal of Nutrition (In the Press) Beattie. Mineral requirements of egg-type chickens in production are similar to mineral requirements of other poultry, with the exception of calcium.

The onset of egg production creates a need for more calcium to make the eggshell. A question arises about the best time to switch pullets from a low-calcium growing diet to a high-calcium laying diet.Free delivery on millions of items with Prime.

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