The breeding season of the sheep with particular reference to its modification by artificial means using light

Bioenergetics and Growth.

1946 • 3,395 citations

Bioenergetics and Growth

1946 • 2,397 citations

Feeds and Feeding

1936 • 1,042 citations

A SPECIFIC BREEDING PROBLEM OF SHEEP ON SUBTERRANEAN CLOVER PASTURES IN WESTERN AUSTRALIA

1946 • 644 citations

Patterns of Mammalian Reproduction

1947 • 635 citations

Studies on the metabolism of semen

1946 • 343 citations

Experimental evidence regarding the rôle of the anterior pituitary in the development and regulation of the genital system

1927 • 341 citations

Relation of Light to Bird Migration and Developmental Changes

1925 • 299 citations

The induction of ovulation in the rabbit, by electrical stimulation of the hypothalamo-hypophysial mechanism

1937 • 130 citations

Modification of mammalian sexual cycles ; Reactions of ferrets ( Putorius vulgaris ) of both sexes to electric light added after dark in November and December

1932 • 126 citations

Factors affecting the breeding of the field mouse ( Microtus agrestis ). Part III.—Locality

1933 • 122 citations

On the change over in the oestrous cycle in animals after transference across the equator, with further observations on the incidence of the breeding seasons and the factors controlling sexual periodicity

1937 • 111 citations

XI - The Croonian Lecture. Sexual periodicity and the causes which determine it

1936 • 111 citations

Transition from anoestrus in the mare and the effects of artificial lighting

1947 • 109 citations

LIGHT AND SEASONAL REPRODUCTION IN ANIMALS

1938 • 108 citations

INNERVATION OF THE HYPOPHYSIS

1938 • 99 citations

Effect of Testicular Hormone on the Formation of Seminal Fructose

1947 • 82 citations

Factors affecting the breeding of the field mouse ( Microtus agrestis ). Part I.—Light

1932 • 80 citations

Studies on the sexual cycle in birds. IV. Experimental modification of the sexual cycle in males of the European starling (Sturnus vulgaris) by changes in the daily period of illumination and of muscular work

1931 • 79 citations

Some effects of artificial illumination on reproduction in the white‐footed mouse, Peromyscus leucopus noveboracensis

1940 • 72 citations

On the breeding season in the sheep

1944 • 70 citations

EXTEROCEPTIVE FACTORS IN SEXUAL PERIODICITY

1942 • 70 citations

Changes in the reproductive organs of the ewe with some data bearing on their control

1935 • 69 citations

Factors modifying egg production with special reference to seasonal changes

1933 • 68 citations

Experimental Modification of Breeding Cycles in Goats

1941 • 62 citations

Visual pathways concerned in gonadal stimulation in ferrets

1939 • 59 citations

Seasonal Variations in Hours of Daylight Associated with Fertility Level of Cattle under Natural Breeding Conditions

1947 • 54 citations

I.—Studies on the Physiology of Reproduction in the Ewe. Part I. The Symptoms, Periodicity, and Duration of Œstrus. Part II. Changes in the Vagina and Cervix. Part III. Gross Changes in the Ovaries

1934 • 53 citations

Patterns of Mammalian Reproduction

1947 • 52 citations

Observations and Experiments on Mating Behavior in Female Mammals

1941 • 52 citations

Duration of pregnancy in certain mustelids

1944 • 52 citations

Studies on the Sexual Cycle in Birds. VI. Effects of White, Green, and Red Lights of Equal Luminous Intensity on the Testis Activity of the European Starling (Sturnus vulgaris)

1932 • 49 citations

The Effect of Irradiation With Different Wave-Lengths on the Oestrous Cycle of the Ferret, With Remarks on the Factors Controlling Sexual Periodicity

1934 • 46 citations

ARTIFICIAL INDUCTION OF OVULATION AND OESTRUM IN THE EWE DURING ANOESTRUM

1933 • 45 citations

Light and Sexual Cycles in Starlings and Ferrets

1933 • 45 citations

Changes in ovaries and uteri in guinea pigs with hypothalamic lesions

1941 • 43 citations

Studies on the Sexual Cycle in Birds. V. Effects of Light of Different Intensities upon the Testis Activity of the European Starling (Sturnus vulgaris)

1931 • 43 citations

Reproductive Rhythm in Birds

1928 • 38 citations

Sexual Photoperiodicity

1936 • 38 citations

Hormonal augmentation of fertility in sheep: I. Induction of ovulation, superovulation and heat in sheep

1942 • 36 citations

Studies on the hypophysectomized ferret. V. ─Effect of hypophysectomy on the response of the female ferret to additional Illumination during anœstrus

1933 • 35 citations

III. The œstrous cycle and the formation of the corpus luteum in the sheep

1904 • 33 citations

Modification of mammalian sexual cycles. III. Reversal of the cycle in male ferrets (Putorius vulgaris) by increasing periods of exposure to light between October second and March thirtieth

1935 • 33 citations

Spermatogenesis in sturnus vulgaris: Refractory period and acceleration in relation to wave length and rate of increase of light ration

1931 • 33 citations

Modification of Mammalian Sexual Cycles

1935 • 30 citations

Light Requirements of the Weaver Finch 1. Light Period and Intensity

1943 • 28 citations

FEMALE ASPECTS OF RELATIVE FERTILITY IN SHEEP.*

1939 • 27 citations

SEXUAL PHOTOPERIODICITY

1936 • 27 citations

London Starlings and Seasonal Reproduction in Birds

1938 • 27 citations

Les hormones sexuelles

1938 • 25 citations

Sterility and Impaired Fertility

1940 • 24 citations

INDUCED OVULATION AND HEAT IN ANOESTROUS SHEEP

1944 • 24 citations

Effect of absence of light on the breeding season of the ferret

1934 • 24 citations

Influence of Variation in Length of Day upon the Breeding Season in Sheep

1947 • 23 citations

The Further Effects of Irradiation on the Oestrous Cycle of the Ferret

1936 • 23 citations

The Experimental Modification of the Oestrous Cycle in the Ferret by Different Intensities of Light Irradiation and other Methods

1940 • 18 citations

THE RELATION OF TEMPERATURE AND THE THYROID TO MAMMALIAN REPRODUCTIVE PHYSIOLOGY

1946 • 18 citations

STERILITY AND IMPAIRED FERTILITY

1940 • 18 citations

Induction of fertility and pregnancy in the anœstrous ferret

1934 • 18 citations

Effects of Traffic Disturbance and Night Illumination on London Starlings

1937 • 16 citations

Factors responsible for the sexual cycle in the English sparrow, Passer domesticus (Linnaeus). Ocular stimulation and spermatogenesis; effect of increased light ration on ovarian development

1939 • 15 citations

GONADOTROPIC EXTRACTS FROM GREEN LEAVES

1939 • 13 citations

On the incidence of the breeding season in mammals after transference to a new latitude

1942 • 12 citations

On alternating-current bridges with incomplete balance

1941 • 12 citations

Occurrence of Ovulation without ‘Heat’ in the Ewe

1933 • 11 citations

Endocrine Function of the Hypophysis.

1947 • 11 citations

On alternating-current bridges with incomplete balance

1941 • 10 citations

FERTILITY IN MERINO SHEEP IN NORTH‐WESTERN AUSTRALIA

1943 • 10 citations

Notes on the technique of artificial insemina tion.

1945 • 9 citations

Seasonal Variations in the Occurrence of Conceptions in Karakul Sheep

1947 • 7 citations

Light versus activity as a regulator of the sexual cycle in the house sparrow.

1940 • 7 citations

Sheep for Long Leys

1944 • 5 citations

ADDRESS DR. JOHN HAMMOND

1938 • 2 citations

ENDOCRINOLOGY AND ANIMAL PRODUCTION.*

1946 • 2 citations

Deleted Work

1955 • 0 citations