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Variation in the size of eggs of Kelp Gulls (Larus dominicanus) at two colonies in Patagonia, Argentina
(Waterbird Soc, 2015)
Although several studies have reported basic information about the size of Kelp Gull (Larus dominicarius) eggs, no attention has been paid to the comparison of patterns of intra-clutch variation at different breeding sites. ...
Ultrastructural changes of the egg apparatus associated with fertilisation of natural tetraploid Trifolium pratense L. (Fabaceae)
(Sociedad de Biología de Chile, 2009)
Irregularly calcified eggs and eggshells of Caiman latirostris (Alligatoridae: Crocodylia)
(Springer, 2013-05)
We describe irregularly calcified egg and eggshell morphologies for the first time in nests of the broad-snouted caiman, Caiman latirostris. Research is based on detailed descriptions of 270 eggs from a total sample of ...
Dietary combination of chelated zinc and threonine and effects on egg production, egg quality and nutrient balance of Brown laying hens from 20 to 49 weeks of age
(2020-09-01)
Studies have evaluated the effects of zinc (Zn) supplementation as an important dietary factor that regulates intestinal amino acid metabolism, protecting and preventing diarrhea. Threonine (Thr) also plays an important ...
THE NEST AND EGGS OF BLACK-CAPPED SPARROW Arremon a. abeillei (PASSERELLIDAE) IN SOUTHWESTERN ECUADOR
(Red Aves Ecuador & USFQ PRESS, 2018)
Evidence of the production of 2n eggs in diploid plants of the autopolyploid complex turnera sidoides L. (passifloraceae)
(Springer, 2015)
Turnera sidoides is a complex of dystilous perennial rhizomatous herbs with five subspecies in which diploid (2n = 2x = 14) to octoploid (2n = 8x = 56) cytotypes were found. Previous studies have suggested an autopolyploid ...
Follicular epithelium, theca and egg envelope formation in Serrasalmus spilopleura (Teleostei, Characiformes, Characidae)
(Blackwell Publishing, 2003-04-01)
The follicular epithelium and theca of oocytes in Serrasalmus spilopleura differentiates during the initial primary growth phase. The follicular cells are squamous and the thecal cells are disposed in two layers. During ...
Follicular epithelium, theca and egg envelope formation in Serrasalmus spilopleura (Teleostei, Characiformes, Characidae)
(Blackwell Publishing, 2003-04-01)
The follicular epithelium and theca of oocytes in Serrasalmus spilopleura differentiates during the initial primary growth phase. The follicular cells are squamous and the thecal cells are disposed in two layers. During ...