Short-Term Egg Production Parameters of the Local Chicken and its F1 Crosses with Gold-Link Under two Different Housing Types

1985 ◽  
Vol 51 (1) ◽  
pp. 49-52
Author(s):  
C. C. Nwosu ◽  
S. S. Omeje
Keyword(s):  
Egg Production ◽  
Short Term ◽  
Production Parameters ◽  
Local Chicken

scholarly journals The Effects of Short Term Feeding of Aflatoxin on Egg Production and Some Plasma Constituents of the Laying Hen ,

1973 ◽  
Vol 52 (6) ◽  
pp. 2206-2211 ◽  
Author(s):  
J.D. Garlich ◽  
Hsi-Tang Tung ◽  
P.B. Hamilton
Keyword(s):  
Egg Production ◽  
Laying Hen ◽  
Short Term

scholarly journals Egg Production Performance in a Nigerian Local Chicken Ecotype Subjected to Selection

2012 ◽  
Vol 4 (6) ◽  
Author(s):  
Vivian Oleforuh-Okoleh ◽  
Christopher. C. Nwosu ◽  
A. I. Adeolu ◽  
I. Udeh ◽  
C. P. N. Uberu ◽  
...  
Keyword(s):  
Egg Production ◽  
Production Performance ◽  
Local Chicken

The effect of keel fractures on egg-production parameters, mobility and behaviour in individual laying hens

2012 ◽  
Vol 21 (1) ◽  
pp. 127-135 ◽  
Author(s):  
MAF Nasr ◽  
J Murrell ◽  
LJ Wilkins ◽  
CJ Nicol
Keyword(s):  
Egg Production ◽  
Laying Hens ◽  
Production Parameters

Preliminary experiments on the in vitro cultivation of an amphistome Orthocoelium scoliocoelium (Trematoda: Digenea)

1982 ◽  
Vol 56 (3) ◽  
pp. 169-176 ◽  
Author(s):  
A. N. Sharma ◽  
P. N. Sharma
Keyword(s):  
Amino Acids ◽  
Egg Production ◽  
Rumen Fluid ◽  
Inorganic Salts ◽  
In Vitro Cultivation ◽  
Short Term ◽  
Physiological Alterations

ABSTRACTA medium containing inorganic salts, vitamins and amino-acids is described for the in vitro cultivation of the amphistome, Orthocoelium scoliocoelium, from the rumen of buffalo. Based on the properties of rumen fluid, this medium promoted and sustained normal egg production, at 37°C temperature and pH 7·4 to 7·8 for 15 days. In contrast to other media used, no patho-physiological alterations except abnormal cytoplasmic lipid, were detected. Since the parasites produced normal eggs, it is concluded that this medium is suitable for short-term cultivation of the parasites.

scholarly journals Impairment of zebrafish reproduction upon exposure to melengestrol acetate

2017 ◽  
Author(s):  
Kewen Xiong ◽  
Chunyun Zhong ◽  
Xin Wang
Keyword(s):  
Endocrine Disruption ◽  
Endocrine Disruptor ◽  
Egg Production ◽  
Control Fish ◽  
Fish Reproduction ◽  
Short Term ◽  
Melengestrol Acetate ◽  
Short Term Exposure ◽  
Female Zebrafish ◽  
Hatching Rates

AbstractSynthetic progestins contamination is common in the aquatic ecosystem, which may lead to serious health problem on aquatic animals. Melengestrol acetate (MGA) has been detected in the aquatic environment; however, its potential effects on fish reproduction are largely unclear. Here, we aimed to investigate the endocrine disruption and impact of MGA on zebrafish reproduction. Six-month old reproductive zebrafish were exposed to four nominal concentrations of MGA (1,10, 100 and 200 ng/L) for 15 days. Treatment with MGA reduced the egg production with a significant decrease at 200 ng/L. The circulating concentrations of estradiol and testosterone in female zebrafish or 11-keto testosterone in male zebrafish were significantly diminished compared to the non-exposed control fish. The early embryonic development or hatching rates were unaffected during the MGA exposure. Our results indicated that MGA was a potent endocrine disruptor in fish and the fish reproduction could be impaired even during a short-term exposure to MGA.

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