scholarly journals Rate of Early Growth in Domestic Fowl

1951 ◽  
Vol 30 (3) ◽  
pp. 343-361 ◽  
Author(s):  
John W.A. Brant
Keyword(s):  
Domestic Fowl ◽  
Early Growth

scholarly journals The Columbian Restriction Gene, Co, and Early Growth Rate in the Domestic Fowl

1984 ◽  
Vol 63 (3) ◽  
pp. 586-588
Author(s):  
THOMAS W. FOX ◽  
J. ROBERT SMYTH
Keyword(s):  
Growth Rate ◽  
Domestic Fowl ◽  
Early Growth

THE EFFECTS OF GONADOTROPHINS ON THE GRANULOSA CELLS OF THE DOMESTIC FOWL

1972 ◽  
Vol 69 (2) ◽  
pp. 298-308 ◽  
Author(s):  
Erik Dahl
Keyword(s):  
Granulosa Cells ◽  
Domestic Fowl ◽  
Early Growth ◽  
Experimental Conditions ◽  
Ovarian Granulosa Cells ◽  
Dense Bodies ◽  
Main Target ◽  
Spherical Mass ◽  
Per Se ◽  
Theca Interna

ABSTRACT The fine structure of ovarian granulosa cells as seen after the administration of gonadotrophins to the domestic fowl is described. The main cytoplasmic changes of the granulosa cells were increase in the size of the Golgi apparatus, increased amount of granular and agranular endoplasmic reticulum, dense bodies, increased number of mitochondria, the presence of annular desmosomes and enlargement of the cells. The alterations observed are consistent with hypertrophy of the granulosa cells. In comparison with previous investigations on the steroid-producing cells of the corresponding follicles under exactly the same experimental conditions, the present study indicates that the steroid-producing cells of the theca interna primarily seem to be the main target for the effect of gonadotrophins. The locally increased amount of steroids then initiate the early growth of the granulosa cells and the oocyte. Later on, when the granulosa cells have proliferated to form a spherical mass with the ovum at the center, the gonadotrophins also exert their influence on the granulosa cells. Thus gonadotrophin per se is not essential for the early growth of the granulosa cells.

Observations oh Nucleation and Growth of Voids in Nickel

1970 ◽  
Vol 28 ◽  
pp. 414-415
Author(s):  
J. L. Brimhall ◽  
H. E. Kissinger ◽  
B. Mastel
Keyword(s):  
High Purity ◽  
Growth Stage ◽  
Elevated Temperatures ◽  
Early Growth ◽  
Nucleation And Growth ◽  
Pure Nickel ◽  
Different Temperatures ◽  
Total Fluence ◽  
Neutron Exposure ◽  
Growth Of Voids

Some information on the size and density of voids that develop in several high purity metals and alloys during irradiation with neutrons at elevated temperatures has been reported as a function of irradiation parameters. An area of particular interest is the nucleation and early growth stage of voids. It is the purpose of this paper to describe the microstructure in high purity nickel after irradiation to a very low but constant neutron exposure at three different temperatures.Annealed specimens of 99-997% pure nickel in the form of foils 75μ thick were irradiated in a capsule to a total fluence of 2.2 × 1019 n/cm2 (E > 1.0 MeV). The capsule consisted of three temperature zones maintained by heaters and monitored by thermocouples at 350, 400, and 450°C, respectively. The temperature was automatically dropped to 60°C while the reactor was down.

Further Studies on the Ultrastructure of Harderian Gland in Adult Rats

1974 ◽  
Vol 32 ◽  
pp. 288-289
Author(s):  
Alfredo Feria-Velasco ◽  
Guadalupe Tapia-Arizmendi
Keyword(s):  
Fine Structure ◽  
Domestic Fowl ◽  
Animal Species ◽  
Acinar Cells ◽  
Harderian Gland ◽  
Myoepithelial Cells ◽  
The Other ◽  
Albino Rats ◽  
Adult Rats ◽  
Cell Components

The fine structure of the Harderian gland has been described in some animal species (hamster, rabbit, mouse, domestic fowl and albino rats). There are only two reports in the literature dealing on the ultrastructure of rat Harderian gland in adult animals. In one of them the author describes the myoepithelial cells in methacrylate-embbeded tissue, and the other deals with the maturation of the acinar cells and the formation of the secretory droplets. The aim of the present work is to analize the relationships among the acinar cell components and to describe the two types of cells located at the perifery of the acini.

Amphetamine Suppresses Activity and Distress Vocalizations in Domestic Fowl Cockerels

2002 ◽  
Author(s):  
Rebecca A. Sheffield ◽  
Pamela A. Komassa ◽  
Michael R. Baker
Keyword(s):  
Domestic Fowl ◽  
Distress Vocalizations

RELASI ISLAM DAN NASIONALISME DALAM SEJARAH BANGSA INDONESIA

ALQALAM ◽  
2013 ◽  
Vol 30 (3) ◽  
pp. 563
Author(s):  
Suhaimi Suhaimi
Keyword(s):  
Cultural Nationalism ◽  
Early Growth ◽  
Colonial Period ◽  
New Order ◽  
Japanese Colonial ◽  
Muslim Intellectuals ◽  
Colonization Period ◽  
The Times ◽  
The Relationship ◽  
Governance Reforms

In line with the times demand, nationlism changes as a dynamic of dialectics proceeds with changes in social, political, and ekonomic in the country and global levels. Based on a review of historical chronology, this paper analyzed descriptively the relationship between Islam and nationalism in Indonesia. Since the early growth of nationalism and the Dutch colonization period in Indonesia, Islam became the spirit of sacrifice of lives and property of the Indonesian people's fighting to get independence and on the Japanese colonial period and the early days of independence, Islam through the muslim leaders founction as base of departure and developer awareness of nasionalism, patriotism and unity to defend the independence. Despite the authoritarian New Order ruler cope with Islam through the establishment of the Association of Indonesian Muslim Intellectuals (ICMI), but awareness of national Muslim leaders to build Indonesia managed to push governance reforms. And in this era of reform, the spirit of nationalism and the spirit of sacrifice of the Indonesian leaders increasingly eroded by corruption. Key words: proto-nationalism, political nationalism, cultural nationalism.

RADIOIMMUNOASSAY OF OESTRONE AND OESTRADIOL IN THE PERIPHERAL PLASMA OF THE DOMESTIC FOWL IN VARIOUS PHYSIOLOGICAL STATES AND OF HYPOPHYSECTOMIZED AND OVARIECTOMIZED FOWLS

1974 ◽  
Vol 75 (1) ◽  
pp. 133-140 ◽  
Author(s):  
B. E. Senior
Keyword(s):  
Bovine Serum Albumin ◽  
Serum Albumin ◽  
Diethyl Ether ◽  
Bovine Serum ◽  
Domestic Fowl ◽  
Laying Hens ◽  
Peripheral Plasma ◽  
The Mean ◽  
Precision And Accuracy ◽  
Chicken Ovary

ABSTRACT A radioimmunoassay was developed to measure the levels of oestrone and oestradiol in 0.5–1.0 ml of domestic fowl peripheral plasma. The oestrogens were extracted with diethyl ether, chromatographed on columns of Sephadex LH-20 and assayed with an antiserum prepared against oestradiol-17β-succinyl-bovine serum albumin using a 17 h incubation at 4°C. The specificity, sensitivity, precision and accuracy of the assays were satisfactory. Oestrogen concentrations were determined in the plasma of birds in various reproductive states. In laying hens the ranges of oestrone and oestradiol were 12–190 pg/ml and 29–327 pg/ml respectively. Levels in immature birds, in adult cockerels and in an ovariectomized hen were barely detectable. The mean concentrations of oestrone and oestradiol in the plasma of four non-laying hens (55 pg/ml and 72 pg/ml respectively) and one partially ovariectomized hen (71 pg/ml and 134 pg/ml respectively) were well within the range for laying hens. It is evident that the large, yolk-filled follicles are not the only source of oestrogens in the chicken ovary.

Sign in / Sign up

Export Citation Format

Share Document