Reptile Egg-Shells Sem Atlas

Copeia ◽  
1989 ◽  
Vol 1989 (2) ◽  
pp. 536
Author(s):  
Mary J. Packard ◽  
H. Hermann Schleich ◽  
Werner Kastle
Keyword(s):  
Egg Shells ◽  
Reptile Egg

Reptile Egg-Shells: SEM Atlas. H. Hermann Schleich , Werner Kästle

1989 ◽  
Vol 64 (4) ◽  
pp. 507-508
Author(s):  
Frederick E. Grine
Keyword(s):  
Egg Shells ◽  
Reptile Egg

Egg-shells in mites. Vitelline envelope and chorion in a water mite,Limnochares aquaticaL. (Acari, Limnocharidae)

1988 ◽  
Vol 214 (2) ◽  
pp. 285-294 ◽  
Author(s):  
Wojciech Witaliński
Keyword(s):  
Water Mite ◽  
Egg Shells ◽  
Vitelline Envelope

A study of the fundamental cause of artificial translucent areas in egg shells

1974 ◽  
Vol 15 (2) ◽  
pp. 205-215 ◽  
Author(s):  
C. J. Talbot ◽  
C. Tyler
Keyword(s):  
Fundamental Cause ◽  
Egg Shells

Immunohistochemical and ultrastructural localization of Schistosoma mansoni soluble egg antigens processed by the infected host

Parasitology ◽  
1996 ◽  
Vol 112 (6) ◽  
pp. 537-543 ◽  
Author(s):  
J. J. P. M. Bogers ◽  
H. A. M. Nibbeling ◽  
A. M. Deelder ◽  
E. A. E. Van Marck
Keyword(s):  
Schistosoma Mansoni ◽  
Indirect Evidence ◽  
Ultrastructural Localization ◽  
Carbohydrate Epitopes ◽  
Eosinophilic Granulocytes ◽  
Antigenic Material ◽  
Egg Shells ◽  
Secondary Lysosomes ◽  
Antigen Antibody ◽  
Egg Antigen

SUMMARYThe detection of egg-derived antigens in the serum and urine of Schistosoma mansoni-infected individuals and experimental animals would provide an alternative method to assess the tissue egg burden. The detected levels are, however, not only a function of the amounts of antigen produced, but also of the processing or clearance by the host. In the present study the immunolocalization pattern of antigens using 2 recently described monoclonal antibodies to repetitive carbohydrate epitopes of S. mansoni soluble egg antigen (114–5B1–A and 114–4D12–A) in various organs of the host was investigated. In the liver strong immunoreactivity could be detected around the entrapped eggs and in egg-shells, as well as in Kupffer cells accumulating both antigen and schistosomal pigment. In the spleen, immunohistochemistry revealed antigen in the plasma as well as in secondary lysosomes of macrophages. Strong labelling was found in the vesicles of the eosinophilic granulocytes: indirect evidence perhaps for the presence of antigen–antibody complexes. In conclusion, the secreted egg antigens were sequestered in the reticulo-endothelial macrophages of the liver and the spleen as already partly described for worm-derived antigens. The presence of large quantities of antigenic material in the spleen could suggest an important role of this organ in the clearance of antigen and might even provide an additional explanation for the hepatosplenomegaly mainly present in S. mansoni-infected children.

NOTES ON CERTAIN BUTTERFLIES, THEIR HABITS, ETC

1882 ◽  
Vol 14 (3) ◽  
pp. 49-56
Author(s):  
W. H. Edwards
Keyword(s):  
New Born ◽  
Egg Shells ◽  
Egg Shell ◽  
The Way

8. On Young Caterpillars Eating their Egg Shells.Mr. Scudder, Butterflies, p. 101, says, after describing the way in which the caterpillar eats out of the egg: “The taste he has gained of egg-shell seems to allure him; for, strange as it may seem, although placed by the provident parent within immediate reach of choice and succulent food, he will not taste it until he has devoured the last remmant of his prison-walls. Strange food this for a new born babe! The act, however, is plainly a provision of nature by which the tender animal is rid of a sure token to his enemies of his immediate proximity.” Surely here is an error in fact, and a wrong conclusion whatever the fact may be. I read the above statement on the 25th July last, and at once went to my garden to search for eggs of Libythea Bachmanni, on Hackberry leaves. The young caterpillars of this species are green, of a shade so near that of the leaves they feed on, that it is very difficult to discover them. Even where the tip of the leaf has been eaten, and their presence is suspected, it is easy to overlook them. I found at once three eggs and one young caterpillar. The egg from which this caterpillar had come was present at the base of the leaf on the extreme tip of which the little creature rested. A hole was in its side near the top, and no more had been eaten than just enough to permit egress.

Physical properties of egg shells

1967 ◽  
Vol 8 (4) ◽  
pp. 259-262 ◽  
Author(s):  
Peter W. Voisey ◽  
J. R. Hunt
Keyword(s):  
Physical Properties ◽  
Egg Shells

scholarly journals Productive performance of broiler breeder hens fed 25-hydroxycholecalciferol

2009 ◽  
Vol 38 (7) ◽  
pp. 1286-1290 ◽  
Author(s):  
Cibele Araujo Torres ◽  
Sergio Luiz Vieira ◽  
Renata Nuernberg Reis ◽  
André Klein Ferreira ◽  
Pedro Xavier da Silva ◽  
...  
Keyword(s):  
Vitamin D3 ◽  
Egg Production ◽  
Productive Performance ◽  
Broiler Breeder ◽  
Embryo Mortality ◽  
Breeder Hens ◽  
Randomized Design ◽  
Broiler Breeder Hens ◽  
Egg Shells ◽  
25 Hydroxycholecalciferol

An experiment was carried out with the objective of evaluating the addition of 25-hydroxycholecalciferol (25(OH) D3) in diets of broiler breeder hens. The experiment used Cobb 500 broiler breeder hens and was allotted to a complete randomized design with four treatments and eight replications of twenty females and two males each. The treatments consisted of vitamin premixes with 2,000 and 3,400 IU/kg diet vitamin D3 as the only source of vitamin or 2,000 IU D3 plus 35 or 69 mg/t of 25(OH) D3. Results of this experiment indicated that 25(OH) D3 had no significant effect on egg production parameters from 32 to 67 weeks. The supplementation of 25(OH) D3 resulted in better quality egg shells evaluated by the specific gravity at 60 weeks of age, regardless of the dosage. No significant differences were observed for hatchability of broiler breeder fertile eggs at 54 and 64 weeks. At 64 weeks, the hatch residue breakout showed less embryo mortality at the third week for treatments receiving 2,000 UI D3 in the diet and less embryo mortality at the second week of development from hens aged 67 weeks and supplemented with 2,000IU D3 and 2,000IU D3+ 69 mg 25(OH)D3. It was concluded that the supplementation with 25-hydroxycholecalciferol with cholecalciferol had similar effects as the diets with vitamin D3 as the only source on the productive performance of broiler breeder hens.

scholarly journals The hatching mechanism of 130-million-year-old insects: an association of neonates, egg shells and egg bursters in Lebanese amber

Palaeontology ◽  
2018 ◽  
Vol 62 (4) ◽  
pp. 547-559 ◽  
Author(s):  
Ricardo Pérez-de la Fuente ◽  
Michael S. Engel ◽  
Dany Azar ◽  
Enrique Peñalver
Keyword(s):  
Egg Shells
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