Estimation of genetic and phenotypic parameters in a closed ...

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Àppendlx IV (Contlnued) Mean cross products Source of covarlance D.F. % Ham welght and % pred. yleld % Ham welght and age Ham surface area and Z pred. yleld Ham surface area and age 7. Pred. yleld and age Year Group/yr. SLre/gtoup/yr. Dam/ s|re/ group/yr, Progeny/darn /sl:e/ group/yr. 6 13 269 368 798 -28.477 -L6.435 T.347 0.873 0. 250 -7L664 -25.617 r.922 0.643 0 .443 171.524 50.019 4.72L 3.L30 2.L72 84.980 247 .27_1 7.053 2 .600 1.839 168 .7 2r 257 .900 Lr.292 3. 366 3.555 coys 0 .075 0.254 o.293 0.884 r.622 Cov' 0,302 0.097 0 .464 0. 367 -0.092 Cov* 0.250 0 .443 2.77 2 1.839 3.555 !
75 Appendix V. Table of differentials for carcass grade índex Carcass weight (lb) Backfat in. 90 L24 l-25 l-29 130 r39 L40 150 r49 159 160 L70 769 180 181 195 796 Ridgand ling over - -1.9 2.0-2.I 2.2-2.3 2.4-2.5 B7 B7 B7 87 105 103 L02 100 109 110 LO7 109 105 707 103 10s LL2 IL2 110 LLz 109 110 r07 109 LL2 LL2 110 109 9L 9I 91 9T 85 85 85 B5 67 67 67 67 2.6-2 "7 B7 9B L02 103 r05 L07 L07 9L 85 67 )Q_10 3.0-3.1 87 B7 97 95 100 L02 98 100 103 105 LOz 103 105 103 9T 91 Q( UJ B5 67 67 3.2-3 .3 B7 92 97 98 100 r02 ro2 91 85 67 3 .4-3. s 3 .6-3.7 87 B7 B8 B8 95 97 92 95 98 100 97 98 100 9B 9I 9T B5 85 67 67 3. B-3.9 4.0-4.L 4.2-4.3 87 B7 B7 BB B8 8B BB 92 BB 88 88 BB 9s 97 92 95 BB 92 97 95 92 9L B7 B7 B5 B2 B2 67 67 67 4.4- + 87 B8 88 88 BB BB BB B7 B2 67
Page 1 and 2:
ESTIMATION OF GENET]C AND PHENOTYPI
Page 3 and 4:
ACKNOI^rLEDGÐ{ENTS The author wish
Page 5 and 6:
iÍi carcass length,77.22!2.47 cm¡
Page 7 and 8:
TABLE OF CONTENTS Page B. Carcass m
Page 9 and 10:
va1 LIST OF TABLES Table Page L7 Me
Page 11 and 12:
INTRODUCTION The heritabilíty of t
Page 13 and 14:
granddaughter on granddam. The heri
Page 15 and 16:
Table 1 (Contlnued) Tralcs a n Meth
Page 17 and 18:
7 r^/ith the number of pigs born al
Page 19 and 20:
Table 2 (Contlnued) TraÍtg h2 Meth
Page 21 and 22:
11 as 0.31 and 0.40 by Edwardsand O
Page 23 and 24:
13 and backfat thickness r^7as nega
Page 25 and 26:
Table 3. Managra breed development
Page 27 and 28:
L7 Adjusted Y, = Y. - b (Xt-X") whe
Page 29 and 30:
19 9) 'PercenË Ham I{eight The pro
Page 31 and 32:
2I Table 6, Regression coefficients
Page 33 and 34: a') variance is given in Table 7. T
Page 35 and 36: 25 where: "ott(*y) 2 ã: "r(x) = to
Page 37 and 38: ¿/ l. Heritability estimates - The
Page 39 and 40: 29 Standard errors (S.E.) following
Page 41 and 42: 31 tots (*v) toto(*y) = totw(*y) =
Page 43 and 44: -f1 RESULTS AND DTSCUSSION A. Repro
Page 45 and 46: Table i-2. Means and standard devla
Page 47 and 48: a1 Table 13. Estímated heritabilit
Page 49 and 50: Table 14. PhenotypÍca and geneticb
Page 51 and 52: 4L Table 15 - Means and standard de
Page 53 and 54: 43 Table 16. Means and standard dev
Page 55 and 56: 45 Most of the heritabilities deriv
Page 57 and 58: 47 moderately heritable while carca
Page 59 and 60: ,o AJ et 41. (L969), Roy er al. (19
Page 61 and 62: 51 to phenotypic correlations in mo
Page 63 and 64: 53 SI]MMARY AND CONCLUSION Data fro
Page 65 and 66: 55 also improve Ëhe others where s
Page 67 and 68: 57 Flock, D.K. 1970. Genetic parame
Page 69 and 70: APPENDIX s9
Page 71 and 72: Appendix rr. Anal-ysis of covarÍan
Page 73 and 74: Appendlx rrr' Ànalysfs of varlance
Page 75 and 76: Appendlx IV (Conrinued) Mean cross
Page 77 and 78: Appendlx IV (Conrlnued) Mean cross
Page 79 and 80: Appendlx IV (Contlnued) Mean cross
Page 81 and 82: ^Appendix IV (Continued) Mea4 cross
Page 83: Appendix IV (Conctnued) Mean crosà
Page 87 and 88: 77 Appendix VI. (Continued) Body wt
Page 89: 79 Appendix VI. (Continued) Body wt
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