E. Swierstra

发表

Influence of the boar and ejaculation frequency in pregnancy rate and embryonic survival in swine.

E. Swierstra, G. W. Dyck, 1976, Journal of animal science.

CAUSES OF PIGLET DEATH FROM BIRTH TO WEANING

E. Swierstra, G. W. Dyck, 1987 .

Spermatogenesis in the dog

R. Foote, E. Swierstra, W. L. Hunt, 1972, The Anatomical record.

Cytology and kinetics of spermatogenesis in the rabbit.

R. Foote, E. Swierstra, 1963, Journal of reproduction and fertility.

Sperm production of boars as measured from epididymal sperm reserves and quantitative testicular histology.

E. Swierstra, 1971, Journal of reproduction and fertility.

Cytology and duration of the cycle of the seminiferous epithelium of the boar; duration of spermatozoan transit through the epididymis

E. Swierstra, Epidid ymis, 1968, The Anatomical record.

Reproductive physiology of the stallion. I. Spermatogenesis and testis composition.

E. Swierstra, B. W. Pickett, M. Gebauer, 1974, Journal of reproduction and fertility.

STRUCTURAL COMPOSITION OF SHORTHORN BULL TESTES AND DAILY SPERMATOZOA PRODUCTION AS DETERMINED BY QUANTITATIVE TESTICULAR HISTOLOGY

E. Swierstra, 1966 .

EFFECT OF LOCATION OF THE TEAT SUCKLED, BREED AND PARITY ON PIGLET GROWTH

E. Swierstra, G. W. Dyck, K. Mount, 1987 .

GROWTH OF THE REPRODUCTIVE TRACT OF THE GILT FROM BIRTH TO PUBERTY

E. Swierstra, G. W. Dyck, 1983 .

DURATION OF SPERMATOGENESIS AND SPERMATOZOAN TRANSPORT IN THE RABBIT BASED ON CYTOLOGICAL CHANGES, DNA SYNTHESIS AND LABELING WITH TRITIATED THYMIDINE.

R. Foote, E. Swierstra, 1965, The American journal of anatomy.

Influence of the sire on litter size in swine.

E. Swierstra, G. W. Rahnefeld, 1970 .

Reproductive Parameters of Crossbred Ewe Lambs Sired by Romanov, Finnish Landrace, Dorset and Western Range Rams

E. Swierstra, J. Vesely, 1986 .

POSTPARTUM INTERVAL IN 10 FIRST-CROSSES OF BEEF COWS UNDER DRYLOT AND RANGE CONDITIONS

E. Swierstra, T. Entz, D. Bailey, 1988 .

EFFECTS OF COLD STRESS AND REPEAT MATING ON REPRODUCTIVE PERFORMANCE OF SWINE

E. Swierstra, G. W. Rahnefeld, 1972 .

INFLUENCE OF BREED, AGE, AND EJACULATION FREQUENCY ON BOAR SEMEN COMPOSITION

E. Swierstra, 1973 .

The effect of low ambient temperatures on sperm production, epididymal sperm reserves, and semen characteristics of boars.

E. Swierstra, 1970, Biology of reproduction.

A comparison of spermatozoa production and spermatozoa output of Yorkshire and Lacombe boars.

E. Swierstra, 1968, Journal of reproduction and fertility.

Semen and Testis Characteristics in Young Yorkshire and Lacombe Boars

E. Swierstra, G. W. Rahnefeld, 1967 .

Reproductive physiology of the stallion. II. Daily production and output of sperm.

E. Swierstra, B. W. Pickett, M. Gebauer, 1974, Journal of Animal Science.

Reproductive physiology of the stallion: daily sperm output and testicular measurements.

E. Swierstra, B. W. Pickett, J. L. Voss, 1974, Journal of the American Veterinary Medical Association.

Reproductive physiology of the stallion. 3. Extra-gonadal transit time and sperm reserves.

E. Swierstra, B. W. Pickett, M. Gebauer, 1974, Journal of animal science.

ACTION OF AMPHOTERICIN B (FUNGIZONE) ON SPERMATOGENESIS IN THE RABBIT.

R. Foote, E. Swierstra, J. Whitefield, 1964, Journal of reproduction and fertility.

THE ESTROGEN-LIKE SUBSTANCES IN CERTAIN LEGUMES AND GRASSES: II. THE EFFECT OF STAGE OF MATURITY AND FREQUENCY OF CUTTING ON THE ESTROGENIC ACTIVITY OF SOME FORAGES

W. D. Kitts, E. Swierstra, V. C. Brink, 1959 .

Year-round breeding of crossbred Dorset or Finnish landrace ewes using a synthetic light regimen.

E. Swierstra, J. Vesely, 1985, Journal of animal science.

The estrogen-like substances in various legumes and grasses, and the effect of these compounds on the reproduction and growth of certain laboratory animals

E. Swierstra, 1958 .

GROWTH, CARCASS MEASUREMENTS AND SEXUAL DEVELOPMENT OF PARTIALLY AND COMPLETELY CASTRATED PIGS

E. Swierstra, G. W. Rahnefeld, 1968 .