Results 131 to 140 of about 19,805 (247)

Laboratory Biology, Immature and Adult Morphology of Trichopria drosophilae (Perkins) (Hymenoptera: Diapriidae), Parasitoids of Drosophila Flies

Entomologia Experimentalis et Applicata, EarlyView.
This study investigates the laboratory biology and morphology of the parasitoid Trichopria drosophilae, which targets Drosophila flies, including the invasive Drosophila suzukii. Key findings include a detailed description of the parasitoid's egg, three larval instars, and pupal stage, as well as unique behaviors such as siblicide and encapsulation in ...
Alex Gumovsky, Jana Collatz, Lesia Tymochko, Lars Krogmann   +3 more
wiley   +1 more source

A Comparison of Five Different Heiman-Carver Yolk-Color Rotors

Poultry Science, 1941
Abstract AMONG the several arbitrary standards that have been proposed for measuring yolk color, the Heiman-Carver (1935) yolk-color rotor is the one that is most widely used. It has a color scale made up of 24 graduated colors—varying from white through yellow and orange to red—painted on watch glasses. For convenience in referring to the individual
openaire   +1 more source

Pengaruh Penambahan Tepung Jahe Merah (Zingiber Officinale Var Rubrum) Dalam Ransum Terhadap Kualitas Telur Ayam Kampung Periode Layer [PDF]

, 2013
This study aims to determine effect of the addition of red ginger flour in the ration on the quality of native chicken egg layer period. In this study using female chickens aged 24 weeks, as many as 100 native chickens.
Suprijatna, E. (Edjeng), Witantri, H. (Hapsari), Sarengat, W. (Warsono)   +2 more
core  

Dietary Inclusion of Kulitis (Amaranthus viridis) to Enhance Laying Hens’ Egg Quality

, 2023
Philippine poultry manufacturers choose selectively bred hens over native hens in commercial egg-laying operations due to the native hens’ lower egg production and lower egg weights.
Del Mundo, Kian Matthew S., Zarate, Kirsten Khyla C., Mario, Mike Luigi G.   +2 more
core   +1 more source

Improvement in the Coloration and Quality of Japanese Quail Eggs Through Supplementation with Natural Pigments

Poultry
This study evaluated the effects of natural pigments, such as paprika extract and marigold flower extract, on performance, egg quality, carotenoid content in the yolk, and shelf life of Japanese quail eggs. The experiment included 160 birds, divided into
Jean Kaique Valentim, Alexander Alexandre de Almeida, Felipe Cardoso Serpa, Maria Fernanda de Castro Burbarelli, Gisele Aparecida Felix, Kaique Moreira Gomes, Caio Cesar dos Ouros, Fabiana Ribeiro Caldara, Sílvia Maria Martelli, Claudia Marie Komiyama, Rodrigo Garófallo Garcia   +10 more
doaj   +1 more source

Impacts of Ocean Acidification on Reproduction and Early Life Development in Marine Teleost Fish—A Synthesis

Fish and Fisheries, EarlyView.
ABSTRACT Ocean acidification (OA) remains a major and underexplored threat to marine fishes, particularly regarding reproductive physiology and early life stages (ELS). Although research over the past 15 years has documented diverse OA effects, substantial knowledge gaps persist.
Rebecca J. Bridge, Benjamin T. McClelland, Silvana N. R. Birchenough, Martina H. Stiasny   +3 more
wiley   +1 more source

Reproductive behaviour of the ocean triggerfish Canthidermis sufflamen (Tetraodontiformes: Balistidae) in the shallow waters of the marine‐protected area of El Hierro Island (Canary Islands)

Journal of Fish Biology, EarlyView.
Abstract The abundance of Canthidermis sufflamen has increased worldwide, including around the Canary Islands, due to global ocean warming. The reproductive behaviour of this species was studied within a marine‐protected area (MPA) and its adjacent areas off the island of El Hierro (Canary Islands).
Alberto Rodríguez‐Díaz, Raül Triay‐Portella, José A. González, José G. Pajuelo   +3 more
wiley   +1 more source

PENGARUH PEMBERIAN PROBIOTIK DARI MIKROBA LOKAL TERHADAP KUALITAS INDEKS ALBUMEN, INDEKS YOLK, DAN WARNA YOLK PADA UMUR TELUR 10 HARI

, 2015
The purpose of this research were to know 1) the effect of probiotic local microbial to quality of albumen index, yolk index and yolk color; 2) the optimal of probiotic level in feed against to albumen index, yolk index and yolk color.
Kurtini, Tintin, ., Sumardi, Pribadi, Arista   +2 more
core   +2 more sources

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

Journal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro, Raquel Lopes Queiroz, Cristiéle da Silva Ribeiro   +2 more
wiley   +1 more source

Effects of xylanase enzyme supplementation to corn/wheat-based diets on performance and egg quality in laying hens

, 2010
This study was conducted to determine the effects of xylanase supplementation of corn/wheat-based diets on the performance and egg quality of laying hens.
Y. Cufadar, O. Olgun, Cufadar, Y., Yıldız, A. Ö., Olgun, O., A Ö. Yıldız   +5 more
core   +1 more source