Results 21 to 30 of about 578,241 (333)

The Effect of Dietary Energy and Protein Levels on Production in Breeding Female Ostriches. [PDF]

open access: yes, 2003
1. In a study spanning two breeding seasons, we assessed the effect of different dietary energy and protein levels on body mass, body condition, and egg production of female ostriches. 2.
Brand, T.S., Brand, Z., Brown, Chris
core   +2 more sources

Effect of light colour on egg production and egg contamination

open access: yesCzech Journal of Animal Science, 2015
The objective of this study was to compare the performance of laying hens, quality of air in poultry house, and microbial contamination of eggshell in laying hens kept under blue, green, red, and yellow light colour in enriched cages.
J. Svobodová   +3 more
doaj   +1 more source

Analysis system dynamic of chicken egg production system: Case in West Sumatra Indonesia [PDF]

open access: yesBIO Web of Conferences, 2023
A policy study is needed to guide the planning process to develop a sustainable agropolitan area for laying hens in Limapuluh Kota Regency. This research aims to design a policy for developing sustainable laying hen businesses through modeling the ...
Yuzaria Dwi   +2 more
doaj   +1 more source

Egg production and egg quality characteristics of Yoruba, Sussex, and Goliath chickens and their crossbred progenies under humid tropical climate

open access: yesOvozoa: Journal of Animal Reproduction, 2023
Yoruba Ecotype Chicken (YEC) is characterized by hardiness, and better adaptation to prevailing tropical environment. However, its poor egg production has hindered its utilization for commercial production. Crossbreeding is a major tool used in improving
Abimbola Alice Ademola   +3 more
doaj   +1 more source

Comparative production performance and egg quality of Kuzi Ducks (Anas platyrhynchos) and its crosses with Khaki Campbell

open access: yesIndian Journal of Animal Sciences, 2023
Comparative performance of Kuzi ducks and its two crossbreds with Khaki Campbell, viz. Kuzi × Khaki Campbell (DK) and Khaki Campbell × Kuzi (KD) were carried out in respect to various production, egg weight, age at different production level and egg ...
M K PADHI, S C GIRI, S K SAHOO
doaj   +1 more source

Spring production of Calanus finmarchicus at the Iceland-Scotland Ridge [PDF]

open access: yes, 2008
Distribution and reproduction activity of the calanoid copepod Calanus finmarchicus were studied in the waters between Scotland and Iceland in April 1997 during the expected time of the animals' ascent to surface waters following diapause.
Christoffersen, Alice   +5 more
core   +1 more source

Salmonella Biomapping of a Commercial Broiler Hatchery

open access: yesJournal of Food Protection
Poultry-associated salmonellosis results in significant costs to poultry producers and consumers. Given the vertically integrated nature of the United States poultry industry, a better understanding of Salmonella ecology throughout all levels of poultry ...
Michael J. Rothrock, Jr.   +5 more
doaj   +1 more source

Utilization of Indigofera Leaf Flour (Indigofera zollingeriana Miq) as Feed to Increase the Production and Internal Quality of KUB Chicken Eggs

open access: yesJurnal Sain Peternakan Indonesia, 2023
One of the variants of native chicken that is quite potential to be developed in Indonesia is the KUB chicken. The quality and production of free-range chicken eggs can be increased by providing quality feed. One alternative source of quality feed is the
Usman Usman   +3 more
doaj   +1 more source

A Novel Slope-Matrix-Graph Algorithm to Analyze Compositional Microbiome Data

open access: yesMicroorganisms
Networks are widely used to represent relationships between objects, including microorganisms within ecosystems, based on high-throughput sequencing data.
Meng Zhang   +5 more
doaj   +1 more source

Impact of Dietary Supplementation of Cysteamine on Egg Taurine Deposition, Egg Quality, Production Performance and Ovary Development in Laying Hens

open access: yesAnimals, 2023
This study aimed to examine the effect of dietary cysteamine on yolk taurine content in hens during different egg production periods. In Exp. 1, China Agricultural University-3 (CAU-3) hens at the peak stage of egg production (aged 31 wks) were used to ...
Jing Chen   +4 more
doaj   +1 more source

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