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A study of the responses of four strains of mice to three different environments: a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science at Massey University

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(1)

Copyright is owned by the Author of the thesis. Permission is given for

a copy to be downloaded by an individual for the purpose of research and

private study only. The thesis may not be reproduced elsewhere without

the permission of the Author.

(2)

BY

. .

sis in

(3)

The

to

SS his all

to

this

..

cial due to "

c ..

for

and

counsel

this thesis, Professor t

Dr. .E.

.

• 0

to

in

for
(4)

"

Review of Literature ..

"

to Cold ..

Gold.,

ts of Cold on Growth and Metabolism.

I.

"

III ..

II.

III.,

I I I . Environments.

Heat ..

"

..

Procedure •

Introduction of

tation of sults.

of sults ..

1 2 2

3 3

6 7 7

17

18

20 21 22

31

(5)

Chapter V. (contd.) Page No.

I. Body Weights

&

Tail Lengths at the Start

of the Treatments. 34

II. Body Weights

&

Tail Lengths at the

Finish of the Treatments. 35

a. Analysis of Variance. 35

b. Analysis of Covariance Adjusting for Initial Body Weight

&

Tail Length

Respectively. 35

i. Body Weight. 36

ii. Tail Length. 36

111. Covariance Analysis of Tail Length at the Start

&

Finish of the Treatments Adjusting for Initial &'Final Body Weight Respectively. 36

a. Start of Treatments. 36

b. Finish of Treatments. 37

III. Body Temperature Results. 37

IV. Body Weight

&

Body Temperature Analysis. 39

D. Carcass Analysis Trial. 40

I . Control Mice. 40

II. Treatment Mice.

4o

A. Body Weight, Tail Lengths

&

Tail Weight.40 i. Analysis of Variance. 40

11. Covariance Analysis of Final Body Weight

&

Tail Length Adjusted for Initial Body Weight

&

Tail Length

Respectively. 41

111. Growth Rates for Body Weight

&

Tail Length. 41

iv. Covariance Analysis of Final Tail Length Adjusted for Final Body Weight. 42

v.

Covariance Analysis of Tail Weight Adjusted for Final Body Weight. 42 B. Abdominal Fat

&

Total Body Fat. 43 C. Pelt Weight

&

Hair Weight. 43

D. Food Intake. 44

Chapter VI.

General Discussion.

A. Body eight

&

Tail Length.

B. Body emperature.

c.

Grow h Rates.

D.

E.

F.

G

a. Body Weight.

Tail Length.

ail Weight.

Abdominal Fat

&

Total Body Fat.

Weight

&

Pelt Weight.

Food Intake.

I I

'

I

46 46 46 47 47

48 48 48

50 52

(6)

"

Cold.,

to

61

(7)

Table., I ..

v.,

VI.

VII.

"

XII,, XIII.,

XVI ..

XVII.,

XVIII ..

f s

different environments ..

of as of inactive

cold treatments.,

treatments,.

all mice

for mice in the

and

treatments ..

and

"

12

(8)

Table.

XXII.

XXIII.

XXIV.

XXVI.

XXXI.

XXXIV.

Mean

interaction ..

Mean

Covariance over the last

for

variance , tail

abdominal fat for control

, tail abdominal fat for control mice ..

for each

Face

for 'hair hair

'

abdominal

of the treatments

tail at the treatments.

of variance for and tail the start of the treatments ..

f

treatments.,

Covariance Covariance for final

of final tail tail

3, 6,

final

'

of the

tail

for all , 15 and 21 ..

tail

41

4

(9)

XXXXVI.

Face variances for of total

and of abdominal fat.

of variance for of total of abdominal e

fat strains

e

of hair

five mice in

consumed ..

five ,

we consumed per

of food for each

"

"

(10)

I ..

II.

III.

v.

VI.

VII.

VIII ..

XI.

XII.

XIII.

cold.

"

strains of mice strains on final

tail initial tail final tail

for the 2

3

(11)

Face

XXIV.

Referensi

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