Evaluation of coastal Bermuda grass protein extract as a substitute for fishmeal in practical diets for channel catfish (Ictalurus punctatus) /

100% of the fishmeal on an equal-protein basis. Each diet

Bibliographic Details
Main Author: Buentello, J. Alejandro
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:100% of the fishmeal on an equal-protein basis. Each diet
Amino acid analysis of the extracted protein indicated a
anhydrous ammonia under high pressure at 70 C, a process
Apparent protein and organic matter digestibility of the
appear warranted.
Bermuda grass for channel catfish (Ictalurus punctatus). The
catfish. Apparent protein and organic matter digestibility
channel catfish diets. Further research to evaluate
coastal Bermuda grass was treated by soaking in liquid
coefficients of the extract were 85 and 89%, respectively.
control diet contained 10% menhaden fishmeal and experimental
diets were formulated so that the extract replaced 33, 66 and
evaluate the suitability of a protein extract from coastal
extract also was determined utilizing chromic oxide as an
extraction, isoelectric precipitation and centrifugation.
fishmeal for aquaculture feeds, a study was conducted to
generally balanced profile that was first limiting in
In response to concerns over availability and cost of
incremental levels of the extract were evaluated. The
inert marker. Results of the feeding trial indicated that
initially weighing approximately 10 g/fish for 9 weeks.
intraperitoneal fat or hepatosomatic index of channel
known as Ammonia Fiber Explosion (AFEX), followed by alkaline
methionine. A laboratory feeding trial was conducted in
protein efficiency ratio, net protein utilization,
significantly (P>0.05) affect weight gain, feed efficiency,
substitution of other ingredients with the protein extract
substitution of the extract at all levels did not
These data indicate that the extract can replace fishmeal in
was fed to triplicate groups of channel catfish fingerlings
which four isonitrogenous and isocaloric diets containing
Item Description:"Major subject: Wildlife and fisheries sciences".
Vita.
Physical Description:x, 58 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.