Growth and Short Term Egg Production of Two Exotic (Layer Type) and the Local Chickens Compared with Their F1 Inbred Progenies

2011 ◽  
Vol 10 (3) ◽  
pp. 221-224 ◽  
Author(s):  
I. Udeh ◽  
S.I. Omeje
Keyword(s):  
Egg Production ◽  
Short Term ◽  
Local Chickens

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 Crossbred Local Chickens from East Nusa Tenggara Province Indonesia Under Semi Intensive Management System

2021 ◽  
Vol 748 (1) ◽  
pp. 012003
Author(s):  
N.G.A Mulyantini S.S ◽  
Ulrikus R Lole
Keyword(s):  
Weight Gain ◽  
Artificial Insemination ◽  
Management System ◽  
Egg Production ◽  
Abdominal Fat ◽  
Production Performance ◽  
The Other ◽  
Intensive Management ◽  
Commercial Grower ◽  
Local Chickens

Abstract The objective of this study was to compare the performance of four-breed combination under semiintensive management system. The experiment used 160 females and 40 males chickens as parents. Artificial insemination was performed to produce the experimental chicken of the four breed combinations (1. Sabu x Sabu, 2. Sabu x Semau, 3. Sabu x KUB, 4. Semau x KUB). The chickens were fed with chick starter crumb sad libitum from day old to 4 weeks of age. From 4-8 weeks of age, chickens were allowed to scavenge during the day, and also given commercial grower pellets + rice bran + corn (5:4:1). Combination of Sabu x KUBfrom 4-8 weeks of age were significantly heavier (P < 0.05) than the other combination breeds. Feed intake in the Sabu x KUB group was the lowest, and their weight gain was the highest among the others group(P < 0.05). The combination Sabu x KUB also had the highest egg production, and hatchability. However, the percentage of abdominal fat of Sabu x KUB were higher than others groups. In conclusion, combination Sabu x KUB had the best growth performance and egg production performance, but not for the percentage of abdominal fat.

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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