Effects of Parentage and Size of the Pollen Load on Progeny Performance in Campanula americana

Evolution ◽  
1992 ◽  
Vol 46 (6) ◽  
pp. 1731 ◽  
Author(s):  
Thomas E. Richardson ◽  
Andrew G. Stephenson
Evolution ◽  
1992 ◽  
Vol 46 (6) ◽  
pp. 1731-1739 ◽  
Author(s):  
Thomas E. Richardson ◽  
Andrew G. Stephenson

Oecologia ◽  
1991 ◽  
Vol 87 (1) ◽  
pp. 80-85 ◽  
Author(s):  
Thomas E. Richardson ◽  
Andrew G. Stephenson

Crop Science ◽  
1990 ◽  
Vol 30 (3) ◽  
pp. 561-565 ◽  
Author(s):  
S. E. Smith ◽  
D. M. Conta ◽  
U. Bechert

1976 ◽  
Vol 56 (4) ◽  
pp. 715-719 ◽  
Author(s):  
H. M. STEWART ◽  
E. B. BURNSIDE ◽  
G. B. WEAVER ◽  
M. G. FREEMAN

Progeny performance was related to pedigree indexes for 216 Holstein bulls which entered Canadian Artificial Insemination units from 1962 to 1970. Progeny performance for body conformation (average point score) was related to pedigree index for point score, the sire’s point score proof, and an approximate index based on sire and material grandsire proofs at the time the bull entered the stud. Regression coefficients were 0.34 (±.07), 0.17 (±.14), and 0.32 (±.07), respectively. Regressions of progeny performance for Breed Class Average (BCA) milk (Herdmate Comparison) on pedigree index for BCA milk (Herdmate Comparison), the sire’s HMC index, and the approximate HMC index yielded coefficients of.70 (±.11),.44 (±.08), and.94 (±.15), respectively. In both cases, the pedigree index was the best indicator of progeny performance, followed by the approximate index and the sire’s index, respectively. As no Best Linear Unbiased Prediction (BLUP) pedigree index for BCA milk was available, progeny performance for BLUP proofs was related to pedigree index for milk (HMC), the sire’s BLUP proof and an approximate index based on the sire’s and maternal grandsire’s BLUP milk proofs. Regression estimates were.70 (±.10),.56 (±.08), and 1.16 (±.13). The approximate index was a better predictor of progeny performance (BLUP) than the pedigree index based on HMC milk proofs.


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