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Publications by R. K. Johnson

Changes in Ovulation Rate, Uterine Capacity, Uterine Dimensions, and Parity Effects With Selection for Litter Size in Swine.

Journal of Animal Science

English

Evaluation of Purebreds and Two-Breed Crosses in Swine: Reproductive Performance

Journal of Animal Science

English

Evaluation of Purebreds and Two-Breed Crosses in Swine: Feedlot Performance and Carcass Merit

Journal of Animal Science

English

Reproductive and Testicular Characteristics of Purebred and Crossbred Boars

Journal of Animal Science

English

Testicular Growth in Boars of Different Genetic Lines and Its Relationship to Reproductive Performance

Journal of Animal Science

English

Sow Productivity Comparisons for Four Breeds of Swine: Purebred and Crossbred Litters

Journal of Animal Science

English

Adjustment of 21-Day Litter Weight for Number of Pigs Nursed for Purebred and Crossbred Dams

Journal of Animal Science

English

Relationships Among Measures of Testicular Development and Endocrine Function in Boars

Journal of Animal Science

English

Index Selection for Components of Litter Size in Swine: Response to Five Generations of Selection

Journal of Animal Science

English

Correlated Responses of Carcass and Reproductive Traits to Selection for Rate of Lean Growth in Swine

Journal of Animal Science

English