Digestive adaptation in the preruminant

Effect of Age on the Exocrine Pancreatic Secretion of the Preruminant Milk-fed Goat

“…We consider that the lower volume response in the two week-old animals can be attributed, on one hand, to a lack of maturation in the secretory mechanisms of the gland and, on the other hand, to a decreased response to those secretory stimuli released by the presence of food in the digestive tract. This explanation does agree with the results obtained by Auricchio et al (1965) in newborn humans and with those from Thivend et al (1980) in preruminants, evidencing the absence of a complete development of several digestive functions during the first days of life. The greater response observed from 148 AGE AND PANCREATIC SECRETION IN PRERUMINANTS the third postnatal week onwards could result from an increase, with age, of the circulating levels of some gastrointestinal hormones, as reported by Le HuerouLuron et al (1992).…”

“…It is generally accepted that both the pancreas weight Aliev & Gagarina, 1984) and the volume of pancreatic juice secreted Gusakov & Kuryshka, 1985) increase as the animal matures. Studies performed by Thivend et al (1980) in several preruminant species have also shown that the digestive enzyme system is not yet completely developed in the newborn animal. Thus, the activity of these enzymes is low at birth, although the concentration of both total protein and individual pancreatic enzymes increase thereafter, with advancing age (Guilloteau & Toullec, 1983;Gusakov & Kurishka, 1985).…”

Development of milk replacer for rearing kids

“…The range of acid detergent fibre (ADF) digestibility was 7 to 20%, which is consistent with the findings of Porter (1969). The digestibility of nutrients depends on the development and capacity of the digestive tract (Roy, 1980;Thivend et al, 1980). In goats, milk passes through the oesophageal groove to the abomasum for the duration of continuous milk feeding.…”

Postnatal Development of the Exocrine Pancreas in Suckling Goat Kids

“…Activity is minimal in both volume of secretion (Thivend et al, 1980) and enzymatic content of the secreted pancreatic juice (Guilloteau & Toullec, 1983;Gusakov & Kuryshka, 1985). During the first postnatal days both volume of secretion and pancreatic weight increase Gusakov & Kuryshka, 1985), as does the enzymatic fraction of the pancreatic juice (Gusakov & Kuryshka, 1985).…”