Changes in serum lipid, lipoprotein and corticosterone concentrations during neonatal chick development.
Broiler chicks were given a standard commercial starter diet from day 0 (day of hatch) to 9 days of age. Body weight and concentrations of the following serum constituents were measured daily: glucose (GLU), triglycerides (TRI), corticosterone (CORT), cholesterol (CHOL), and high (HDL) and low (LDL) density lipoproteins. Serum GLU and TRI increased at each sampling day to reach a peak on days 3 and 4, respectively, and then decreased thereafter. However, CHOL, HDL, and LDL decreased sharply by day 1 and then gradually decreased to day 5. Conversely, CORT peaked on day 1 and then decreased to day 4. It peaked again on day 5 and remained at that level throughout the remainder of the experiment. In summary, serum concentrations of all constituents measured fluctuated drastically between 1 and 5 days of age, with few changes occurring between days 6 and 9.
Latour
M A
MA
Poultry Science Department, Mississippi State University, MS 39762, USA.
Peebles
E D
ED
Boyle
C R
CR
Brake
J D
JD
Kellogg
T F
TF
D000375:Aging / Q000097:blood; D000818:Animals; D000831:Animals, Newborn / Q000097:blood / Q000254:growth & development*; D001786:Blood Glucose / Q000378:metabolism; D002645:Chickens / Q000097:blood / Q000254:growth & development*; D002784:Cholesterol / Q000097:blood; D003345:Corticosterone / Q000097:blood*; D008055:Lipids / Q000097:blood*; D008074:Lipoproteins / Q000097:blood*; D008075:Lipoproteins, HDL / Q000097:blood; D008077:Lipoproteins, LDL / Q000097:blood; D014280:Triglycerides / Q000097:blood
D001786:Blood Glucose; D008055:Lipids; D008074:Lipoproteins; D008075:Lipoproteins, HDL; D008077:Lipoproteins, LDL; D014280:Triglycerides; D002784:Cholesterol; D003345:Corticosterone