3 edition of Abomasal secretion and motility in sheep found in the catalog.
Abomasal secretion and motility in sheep
J. van Bruchem
|Statement||J. van Bruchem.|
|Series||Agricultural research reports -- 868|
|The Physical Object|
|Number of Pages||140|
Abomasal secretory function in the sheep. In R. W. Dougherty (ed.) Physiology of Digestion in the Ruminant, pp. – (London: Butterworths) Google Scholar. The abomasal outflow occurred as gushes of ml associated with antroduodenal contractions during % of the recording time. In the sheep eating kg/day hay, the daily outflow of chyme was l which increased to l of less viscous chyme when the sheep was fed 1 kg/day lucerne hay.
A mild metabolic alkalosis with hypochloremia and hypokalemia are common. The hypochloremic metabolic alkalosis is due to abomasal hypomotility, continued secretion of hydrochloric acid into the abomasum, and the partial abomasal outflow obstruction, with sequestration of chloride in the abomasum and reflux into the rumen. 10 Iranian crossbred male adult sheep were selected and an abomasal fundic pouch with vascular and nervous supply was made in each animal. The sheep had free access to hay and water. Control gastric juice samples were taken at , 1, , 2 and h following intramuscular (IM) injection of 2 ml distilled water. Cimetidine, an H2 blocker, was administered at different doses ( and mg/kg.
Abomasal secretion was studied on 16 sheep aged from 10 days to 5 years, all with Pavlov pouches and some with Basov fistulae in addition. Pancreatic activity and bile secretion were studied in 22 other sheep of similar age range, prepared by the author's method (Fiziol. Z. SSSR Secenova, , 38, ). Abomasal secretion had a pH range of to and contained from to % dry. Vagally-mediated regulation of motility in the abomasal body by duodenal and abomasal antral motility was demonstrated in acutely prepared anaesthetized sheep. The enteric plexuses between the abomasal body, antrum and duodenum were interrupted by transection. Antral contractions were more effective than duodenal contractions at causing inhibition of the abomasal body, and antral isometric.
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Get this from a library. Abomasal secretion and motility in sheep: effect of diet and digesta components. [J van Bruchem] -- In sheep fitted with re-entrant cannulas in the proximal duodenum, secretory rates of acid in the abomasum increased with protein or buffering content of the rations.
In sheep fitted with an. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (K), or click on a page image below to browse page by by: 9.
HILL KJ. The effect of insulin on the secretion of gastric juice in the goat. Q J Exp Physiol Cogn Med Sci. Aug; 37 (3)– HILL KJ. Insulin hypoglycaemia and gastric motility in the sheep. Q J Exp Physiol Cogn Med Sci. ; 39 (4)– HILL KJ. Continuous gastric secretion in the by: In sheep fitted with re-entrant cannulas in the proximal duodenum, secretory rates of acid in the abomasum increased with protein or buffering content of the sheep fitted with an abomasal infusion tube and with duodenal re-entrant cannulas, proteins and inorganic buffers continuously infused into the abomasum stimulated acid Cited by: 5.
and secretion from an abomasal pouch. The responses recorded 2 hr after a sheep first fed following a 12 hr fast. The response on first feeding after a 12 hr fast. The stimulation of abomasal pouch secretion accorded by teasing a fasted animal with food.
The effects on reticulo-rumenal motility and abomasal secretion of teasing a fasted sheep. McLeay, D. Titchen, Effects of the amount and type of food eaten on secretion from fundic abomasal pouches of sheep, British Journal of Nutrition, /BJN, 32, 2.
The responses recorded 2 hr after a sheep first fed following a 12 hr fast. The response on first feeding after a 12 hr fast. The stimulation of abomasal pouch secretion accorded by teasing a fasted animal with food.
The effects on reticulo-rumenal motility and abomasal secretion of teasing a fasted sheep with food. The response to teasing with. The inhibition of abomasal acid secretion may be part of an overall inhibition of forestomach motility and secretion.
56 VAN DEN BROEK, ROBERTSON, KEIM AND BAILE Changes in gastrointestinal transit time after electrolytic le- sioning of the ventromedial and lateral hypothalamic nuclei have been recently described in the rat .
ABOMASAL SECRETION AND MOTILITY IN SHEEP Effect of diet and digesta components Centre for Agricultural Publishing and Documentation Wageningen - W ;6 lOyfo. This work was supported bv the 'Netherlands organization for the advancement of pure research (Z.W.O.)' ISBN 90 3. Blood flow in the abomasal mucosa, as measured by aminopyrine clearance, was not re lated to abomasal secretion of acid.
Mucosal blood flow was measured in a feeding trial and after intra-abomasal infusion of soya protein or of a KHCO3 buffer into the abomasum. Abomasal antral and pyloric contractile activity, recorded in sheep fitted with.
Sheep and calves prepared with separated, innervated pouches made from the acid secreting region of the abomasum were given single or multiple infections of Ostertagia spp and comparisons were made of the secretory changes of parasitised and non‐parasitised mucosa by means of cannulas placed in the abomasum and pouch.
Contrary reactions of the parasite‐free pouches and infected main part. Abomasitis and abomasal ulcers in adult sheep and goats are associated with rumen acidosis or chronic rumenitis but also can be caused by infections.
Finely ground feeds, pelleted rations, systemic stress, and feeding lush forages all have been implicated. Anecdotal associations with mineral deficiency (i.e., copper) have gone unproved.
Gregory PC, Rayner V, Wenham G. The influence of intestinal infusion of fats on small intestinal motility and digesta transit in pigs. J Physiol. Oct; – [PMC free article] HILL KJ.
Abomasal secretion in the sheep. J Physiol. Nov; – [PMC free article]. This species difference in the effects of L on duodenal motility resembles the difference in the effect of proglumide on exocrine pancreas between sheep and dogs ; i.e., proglumide inhibited interdigestive exocrine secretion of ovine pancreas, but not that of canine pancreas.
The goal of present study was to determine the effects of the intravenous (i.v.) administration of neurotensin (NT) on the ovine forestomach and abomasal motility in conscious sheep.
NT injection at nmol/kg slightly raised abomasal pressure, although the. If this is generally true it is unlikely that the majority of histamine found in the abomasal mucosa of sheep is concerned in the stimulation of gastric secretion. Disruption of the mast cells with the release of bound histamine might be expected, however, to have effects both on abomasal secretion and on motility.
In the in vitro study, except for isolated ruminal strips, abomasal preparations from 24 healthy sheep, EOAD (– μg/mL) evoked a weak spasmogenic effect followed by relaxation, but complete abolishment of spontaneous contraction occurred at the highest dose (1, μg/mL) (P.
The experimental work considered includes the study of hydrochloric acid secretion, the electrolyte composition and the peptic activity of abomasal secretion. Simultaneous observations have been made of abomasal acid secretion and motility of the reticulum and rumen recorded from partial exteriorisations of these structures.
The influence of a chronic subclinicael infection of Trichostrongylus colubriformis, larvae/day for 12 weeks, on gastrointestinal motility and digesta flow was studied in 12 sheep supplied ad libitum with food and water.
Motility was recorded by X-radiography and electromyography from chronically implanted electrodes;abomasal volume and outflow were estimated by dilution of CrEDTA; small. This continuous secretion is probably due to stimulation of the gastric glands by food material, since ingesta can be collected from the abomasal fistulæ in sheep and goats during starvation periods up to.
Abomasal Secretion and Motility in Sheep. Chapman H. The Canadian Veterinary Journal = La Revue Veterinaire Canadienne, 01 Nov19(11): PMCID: PMC Review Free to read. Share this article Share with email.Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): g (external link).We examined the physiological role of nitrergic nerves in the regulation of omasal and abomasal motility in conscious healthy sheep and omasal muscle specimens.
Nitric oxide (NO)-donor, S-nitroso-acethyl-dl-penicillamine (SNAP, 3–30 nmol/kg per min, i.v.) significantly inhibited omasal electromyographic (EMG) activity, whereas it did not alter EMG activity in the abomasal antrum.