Effects of coated hatching eggs obtained from old broiler breeders with chitosan on embryonic growth, hatching results and chick quality

2021 ◽  
Author(s):  
Özlem Varol Avcılar ◽  
Esin Ebru Onbaşılar ◽  
Afşin Kocakaya
Keyword(s):  
Broiler Breeders ◽  
Embryonic Growth ◽  
Chick Quality ◽  
Hatching Eggs

Estimating the Most Important Criteria for Hatching Eggs as Function of Broiler Breeders Age

2012 ◽  
Author(s):  
Marta Santos Baracho ◽  
Diego Pereira Neves ◽  
Irenilza Alencar Nääs ◽  
Juliano Araújo Cassiano ◽  
Fabiana Gonçalves Lima
Keyword(s):  
Broiler Breeders ◽  
Hatching Eggs

Blastodermal development, hatchability and chick quality of Marshall ® broiler breeders of different flock ages during egg storage

2020 ◽  
Vol 104 (6) ◽  
pp. 1748-1756 ◽  
Author(s):  
Victoria A. Uyanga ◽  
Okanlawon M. Onagbesan ◽  
John A. Abiona ◽  
Lawrence T. Egbeyale ◽  
Oyegunle E. Oke ◽  
...  
Keyword(s):  
Broiler Breeders ◽  
Egg Storage ◽  
Chick Quality

Assessment of pre and post-incubation parameters in Uttara breeder hens

2016 ◽  
Author(s):  
M. K. Singh ◽  
Shive Kumar ◽  
R. K. Sharma ◽  
S. K. Singh ◽  
Brijesh Singh ◽  
...  
Keyword(s):  
Uniform Size ◽  
Egg Weight ◽  
Breeder Hens ◽  
Chick Quality ◽  
Hatching Eggs ◽  
Weight Groups

A study was conducted to determine the effects of pre-incubation egg parameters on post-incubation parameters in Uttara breeder hens. A total of 2,890 hatching eggs were classified according to three egg weight groups viz. small (44-52 g); medium (53-57 g) and large (58-68 g). Results indicated that large-sized eggs produced chicks with higher hatch-weight than medium and small-sized eggs. However, no differences were observed for fertility and hatchability rates but significant differences were found for chick quality and chick weight. It was therefore concluded from the results of the present study that sorting of eggs by weight prior to incubation might be advantageous in producing uniform size hatchlings to meet specific market demands with focus on breeding for obtaining maximum number of saleable chicks.

scholarly journals Isolation of Escherichia coli carrying the blaCTX-M-1 and qnrS1 genes from reproductive organs of broiler breeders and internal contents of hatching eggs

2018 ◽  
Vol 80 (10) ◽  
pp. 1540-1543 ◽  
Author(s):  
Qada BENAMEUR ◽  
Hassiba TALI-MAAMAR ◽  
Farida ASSAOUS ◽  
Badia GUETTOU ◽  
Naϊma TAHRAT ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Reproductive Organs ◽  
Broiler Breeders ◽  
Hatching Eggs

scholarly journals Effect of Pre-Storage Heating and Period of Storage on Hatchability Traits of Dokki-4 Eggs

Animal Review ◽  
2021 ◽  
Vol 8 (1) ◽  
pp. 20-29
Author(s):  
Sherif Kh. El ◽  
El-Gogary M. R ◽  
Hasan R.A ◽  
Ismail F Radwa
Keyword(s):  
Laying Hens ◽  
Storage Period ◽  
Local Strain ◽  
Heating System ◽  
Egg Weight ◽  
Egg Hatchability ◽  
Egg Storage ◽  
Chick Quality ◽  
Hatching Eggs ◽  
Storage Times

This study investigated the effects of pre-storage heating and storage period of hatching eggs on hatchability traits and chick quality of Dokki-4 (Egyptian local strain of chickens) laying hens. A total of 3600 eggs were collected from 46-week-old laying hens. Eggs were distributed in a 3x4 factorial arrangement, with three storage times (4, 8 and 12 days at 18°C and 75% RH) and four heat treatments prior to storage (0, 3, 6 and 9 hours at 37.5°C and 56% RH). Eggs were distributed to twelve treatments of 20 replicates. After storage, eggs were incubated under the normal conditions of incubation at the same time. The results showed that the long storage period increased egg weight loss. Hatchability and chick quality results from 8-12 days stored eggs were lower than eggs stored for 4 days. The 6-hour pre-storage heating system substantially improved egg hatchability and chick quality relative to non-heated or 9-hour heating. Important interactions were observed during pre-storage heating × egg storage time for loss in egg weight, hatchability of total and fertile eggs, embryonic mortality and chick quality. When eggs were stored for more than four days, pre-storage heating of hatching eggs for six hours improved hatchability and chick quality compared to unheated eggs or heated for 9 hours. Conclusively, pre-storage heat treatment beneficially affects hatchability traits and chick quality, especially when hatching eggs are stored for long periods.

scholarly journals Production of Hatching Eggs by Dwarf Broiler Breeders Maintained in Cages or in Floor Pens

1982 ◽  
Vol 61 (5) ◽  
pp. 991-993 ◽  
Author(s):  
J.A. RENDEN ◽  
M.L. PIERSON
Keyword(s):  
Broiler Breeders ◽  
Hatching Eggs
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