Results 11 to 20 of about 6,313,012 (309)

EFFECT OF DIFFERENT LEVELS OF OLEOBIOTEC® ON PRODUCTION PERFORMANCE AND EGG QUALITY TRAITS IN JAPANESE QUAIL.

open access: yesThe Iraqi Journal of Agricultural science, 2022
This study was conducted at the Animal |Production Sciences, College of Agricultural Engineering Science, University of Duhok to estimate the effect of different levels of oleobiotec on the production performance, egg quality of Japanese quail.
Merkhan M. Mustafa
doaj   +1 more source

A region on chicken chromosome 2 affects both egg white thinning and egg weight [PDF]

open access: yes, 2005
We describe the results from genetic dissection of a QTL region on chicken chromosome 2, shown to affect egg weight and quality in an earlier genome scan of an F2 intercross between two divergent egg layer lines.
Mäki-Tanila Asko   +18 more
core   +1 more source

Genetic and phenotypic parameter estimates for body weights and egg production in Horro chicken of Ethiopia [PDF]

open access: yes, 2010
A breeding program has been established in 2008 to improve productivity of Horro chicken, an indigenous population in the western highlands of Ethiopia. The pedigree descended from 26 sires and 260 dams.
van der Waaij, E.H.   +7 more
core   +1 more source

STRATEGIES FOR EGG PRODUCTION [PDF]

open access: yesEvolution, 1974
The view that egg production is adapted to counter, and thus provides a measure of, the relative hostility of the environment in which organsms must live has been expressed repeatedly (e.g., Stresemann, 1934; Rensch, 1938; Moreau, 1944; Schmalhausen, 1949; Skutch, 1949, 1967; Cole, 1954; and Smith, 1954).
openaire   +2 more sources

COMPARATIVE ANALYSIS FOR PRODUCTION TRAITS OF LOCAL CHICKEN AND ISA BROWN IN KGR-IRAQ [PDF]

open access: yesAssiut Veterinary Medical Journal, 2016
The research work has been constructed at Sulaimani Research Station–Director of Agricultural Research to study the effect of three lines of local chickens: Pure black (line 1), Black with brown Neck (line 2), White (line 3) and Isa Brown (line 4) at ...
ABDULMALEK OMER   +2 more
doaj   +1 more source

Eggs and Egg Products [PDF]

open access: yesJournal of AOAC INTERNATIONAL, 1998
This chapter encompasses the microbiology of avian eggs and egg products, primarily from the domestic chicken. Eggs from other birds such as ducks, turkeys, geese, guinea fowl, quail and ostrich appear in international commerce at a lower tonnage.
openaire   +2 more sources

Effect of High and Low Stocking Density on Age of Maturity, Egg Production, Egg Size Distribution in White and Brown Layer Hens: A Meta-analysis [PDF]

open access: yesPoultry Science Journal, 2018
Data of four layers flocks (#31-34) from North Carolina Layer Performance and Management Test of the Department of Agriculture and Consumer Services were used in the meta-analysis to find if an increase in space allowance can affect egg production traits
Akbari Moghaddam Kakhki R   +3 more
doaj   +1 more source

Does egg production represent adult female copepod growth? A call to account for body weight changes [PDF]

open access: yes, 2001
An almost universal assumption in determining growth in copepods is that, over short periods, an individual adult female's net growth is equal to the amount of material expelled as eggs.
Hirst, A. G.   +3 more
core   +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.
European Union (Funder)   +16 more
core   +4 more sources

Genetic evaluation for egg production traits in Japanese quail [PDF]

open access: yesBenha Veterinary Medical Journal, 2015
The main objective of this work was to evaluate the means and genetic parameters for egg productiontraits of random population of Japanese quail including average egg weight, egg number and egg mass.The second generation had the highest significant value
Gamal Sosa, Khairy El-Bayomi, Eman Manaa
doaj   +1 more source

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