Results 31 to 40 of about 13,188 (300)

Fertility and hatchability in duck eggs [PDF]

open access: yes, 2019
Ducks are waterfowl belonging to the Anatidae family of cosmopolitan distribution. In duck production systems, obtaining ducklings at one-day-old is determinant for the productive chain.
Alagawany, M   +5 more
core   +1 more source

COMPARATIVE STUDY OF HATCHABILITY AND FERTILITY RATE AMONG LOCAL QUAILS

open access: yesThe Iraqi Journal of Agricultural science, 2020
An experiment was conducted to evaluate fertility, hatchability, egg weight and egg production traits from three different lines of local quails. A total number of 945 eggs (334, 321 and 290 for desert, brown and white, respectively), from 20 weeks of ...
Ahmed & Al-Barzinji
doaj   +1 more source

In ovo administration of Bacillus subtilis serotypes effect hatchability, 21-day performance, and intestinal microflora

open access: yesPoultry Science, 2021
: Recent research has tried to maximize broiler chick health and performance by utilizing commercial in-feed probiotics to inoculate fertile hatching eggs, and thus expose birds earlier to beneficial bacteria.
Claudia D. Castañeda   +4 more
doaj   +1 more source

Hatchability of bobwhite quail eggs incubated in various temperature combinations. [PDF]

open access: yes, 1979
Five experiments were conducted to compare the effects of various incubation temperature combinations on the hatchability of Bobwhite quail eggs. A starting incubation temperature of 40.6 C resulted in numerically lower hatchability. Incubation at 37.5 C
Ande, T. B.   +4 more
core   +1 more source

Maternal Intake of Astaxanthin Improved Hatchability of Fertilized Eggs Stored at High Temperature

open access: yesThe Journal of Poultry Science, 2011
This work aimed at examining the interactive effect of maternal intake of astaxanthin (AX) and storage conditions (temperature and period) on the hatchability of fertilized eggs.
Fumiya Saito, Kazumi Kita
doaj   +1 more source

Effect of Staphylococcus aureus infection on the heat stress protein 70 (HSP70) level in chicken embryo tissues

open access: yesPoultry Science, 2021
: Staphylococcus aureus bacteria are components of physiological biocenosis of skin or mucous membranes in some animals’ genera but also they are dangerous opportunistic pathogens responsible for infections of various localization, course or ...
Maja Kosecka-Strojek   +7 more
doaj   +1 more source

Effect of different storage period on egg weight, internal egg quality and hatchability characteristics of Fayumi eggs

open access: yesItalian Journal of Animal Science, 2013
In this study, hatchability characteristics and some internal egg quality characteristics of 0, 2, 3, 4, 6 and 8 d stored Fayoumi eggs were examined.
Muhammad J.A. Khan   +4 more
doaj   +1 more source

Health management practices and reproductive performance of ducks in Nigeria [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2015
At present, duck production is in its infancy stage in Nigeria. Ducks are mostly reared extensively and concentrated in the hands of small-holder farmers.
Oguntunji Abel O., Ayorinde Kolawole L.
doaj   +1 more source

Effect of egg weight on chick weight, egg weight loss and hatchability in rock partridges (A. graeca)

open access: yesItalian Journal of Animal Science, 2010
This study was conducted to determine the effect of egg weight on chick weight, egg weight loss and hatchability in partridges. Eggs (847) obtained from rock partridges (44-46 weeks ages) were classified according to their weights as
Aytekin Günlü   +3 more
doaj   +1 more source

EFFECT OF THERMAL STIMULATION IN EMBRYOS FROM COBB®GENETIC STRAIN UNDER COMMERCIAL SCALE [PDF]

open access: yesEngenharia Agrícola, 2017
Studies aimed at producing stronger birds and with better growth performance are being developed involving artificial incubation. To that extent, thermal stimulation by the heat of 1.39 ºC and 1ºC above the standard, and by cold of 36 ºC fixed, were ...
Fernanda Flores   +2 more
doaj   +1 more source

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