The Journal of experimental zoology . 569 autiiohs austuact of this papek issukuuy the bibliographic service, march 30 THE INFLUENCE OV J^]X(U^]SSIVE SEXUAL AdMVrFYOF MALE RABBITS II. ON THE NATURE OF THEIK OFFSPKlN(jl FRANK A. HAYS Iowa Stale College T^VENTY-TWO CHARTS CONTENTS lulroductiou ; 571 Material and methods 573 Animals used 573 Records kept 575 Weighing and measuring 575 Methods of interpreting weights and measurements 579 Data and results 582 Growth in weight of young as reUited to frequency of copulation of sire. 582 Litter coefficients of variability 594 Service group coefficient
The Journal of experimental zoology . 569 autiiohs austuact of this papek issukuuy the bibliographic service, march 30 THE INFLUENCE OV J^]X(U^]SSIVE SEXUAL AdMVrFYOF MALE RABBITS II. ON THE NATURE OF THEIK OFFSPKlN(jl FRANK A. HAYS Iowa Stale College T^VENTY-TWO CHARTS CONTENTS lulroductiou ; 571 Material and methods 573 Animals used 573 Records kept 575 Weighing and measuring 575 Methods of interpreting weights and measurements 579 Data and results 582 Growth in weight of young as reUited to frequency of copulation of sire. 582 Litter coefficients of variability 594 Service group coefficients of variability 597 Growth by measurements as related to frequency of copulation 599 Percentage mortality in offspring during the first five days of life and between the fifth and the ninetieth day of life 605 The Relation of number of services made to sex of offspring 600 Sex as related to mortality 608 Summary of facts 608 Discussion 610 Acknowledgments 612 Bil)liography 013 INTRODUCTION Too frequent eopuhition of males is often g
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Keywords: ., bookauthorwi, bookcentury1900, bookdecade1910, booksubjectzoology
