scholarly journals Production Performances of Japanese Quail Parent Stock under Open Housing System

2015 ◽  
Vol 30 (2) ◽  
pp. 115-119
Author(s):  
Muhammad Belal Hossain ◽  
Provas Chandra Sen ◽  
Md. Abdullah al Noman ◽  
Ariful Islam ◽  
Sumon Ghosh ◽  
...  

Ehrlichia canis is a tick-borne rickettsia. It can cause canine monocytic ehrlichiosis (CME). Infected dogs are often reported to have changes in their blood values, such as anemia, thrombocytopenia, increased liver enzymes, and increased kidney function values. This study aimed to collect data that may be related to infected dogs, including age, gender, breed, weight, close-open housing system, the use of ectoparasiticides products. The sample comprised 57 infected dogs. Collecting hematology and serum biochemistry changes in comparison with the reference values of dogs detected with Ehrlichia canis from 2017-2019, Thonburi District, Bangkok, Thailand was also carried out. In summary, dogs infected with Ehrlichia canis mostly included mixed-breed dogs aged between 1 and 10 years. There were no differences in body weight or housing systems. Dogs that had never used ectoparasiticide products or used them intermittently were infected more often (by 7.14 times) than protected. Clinical hematology and serum biochemistry found anemia, thrombocytopenia, and increased liver enzymes.


2021 ◽  
Vol 22 (4) ◽  
pp. 701-712
Author(s):  
Ante Galić ◽  
Dubravko Filipovic ◽  
Stjepan Pliestić ◽  
Igor Kovačev ◽  
Krešimir Čopec ◽  
...  

2010 ◽  
Vol 148 (4) ◽  
pp. 421-432 ◽  
Author(s):  
P. TUMMARUK ◽  
W. TANTASUPARUK ◽  
M. TECHAKUMPHU ◽  
A. KUNAVONGKRIT

SUMMARYThe aim of the present study was to use data from herds to demonstrate the degree of seasonal influence on litter size at birth in gilts compared to sow parities 2, 3–5 and older (parities ⩾6) in a conventional, open-housing system for commercial pig herds in the northeastern part of Thailand. Data were obtained during a 3-year period from July 2005 to June 2008. The data analysed included observations on 25 835 litters from 8100 sows. Total number of piglets born per litter (TB), number of piglets born alive per litter (BA), proportion of stillborn piglets per litter (SB) and proportion of mummified fetuses per litter (MF) were analysed using a general linear mixed model procedure. The influence of temperature, relative humidity and temperature-humidity index (THI) on TB, BA, MF and SB were also analysed. The meteorological data were merged with the reproductive data and the means of temperature, relative humidity and THI during 115 days before farrowing were calculated and included in the statistical models. The results revealed that sows that farrowed in the hot season had a larger TB and BA than sows that farrowed in the rainy (P<0·001) and cool seasons (P<0·001). The difference of TB and BA among seasons was more pronounced in the gilt litters than the sow litters, insofar as the gilts that farrowed in the rainy season had 0·7 TB fewer than gilts that farrowed in the hot season (P<0·001). By contrast, sows of parities 2, 3–5 and ⩾6 that farrowed in the rainy season had 0·4 (P=0·01), 0·3 (P=0·003) and 0·3 (P=0·02) TB fewer than those that farrowed in the hot season. In the first parity, MF increased from 0·022 to 0·042 when the mean temperature during gestation increased from 26 to 29°C (P<0·001). On average, a reduction of 0·8 TB and 0·7 BA were found when the humidity during gestation increased from 50 to 80% (P<0·001). The influence of THI on TB, BA and SB differed among herds. When THI increased from 71/72 to ⩾81, a decrease of 0·4 TB were observed in herd A (P<0·001) and a decrease of 0·9 TB were observed in herd B (P<0·001), but not in herds C and D (P>0·05). In conclusion, inferior litter size at birth was observed in sows that farrowed in either rainy or cool seasons. High temperature, high relative humidity and/or high THI during gestation significantly reduced the number of total piglets born per litter. The influence of season, temperature, relative humidity and/or THI on litter size at birth was more evident in the gilts than the sows. These data indicated that various strategies to reduce temperature in the open-housing system for pregnant gilts and sows in Thailand are not adequate and the proper housing of pregnant gilts should be emphasized.


2011 ◽  
Vol 163 (1) ◽  
pp. 52-58 ◽  
Author(s):  
D. Cardoso ◽  
A.Z.M. Salem ◽  
F.D. Provenza ◽  
R. Rojo ◽  
L.M. Camacho ◽  
...  

2018 ◽  
Vol 14 (2) ◽  
pp. 9-18
Author(s):  
Barbara Biesiada-Drzazga ◽  
Patryk Majkowski

The aim of the research was to analyse the effect of the housing system on selected reproductive traits of parental stock of Ross 308 meat chickens. The study was conducted on two flocks, one of which was kept in a chicken house on a concrete floor entirely covered with litter, and the second in a chicken house in which one-third of the floor was a plastic slated floor and the other two-thirds was a concrete floor covered with litter. During the 38-week laying period, an average of 179.7 eggs were obtained from laying hens kept in the chicken house with a litter floor, including 168.2 hatching eggs, and 187,4 and 175.6 eggs, respectively, from hens kept in the chicken house with a slatted/litter floor (differences not statistically confirmed). The housing system non-significantly influenced feed intake and the number of eggs laid depending on where they were laid (inside or outside the nest). In the litter system, eggs outside the nest accounted for 3.1% and in litter/slatted floor system 9.8% of the total number of eggs laid; the differences were statistically non-significant.


Author(s):  
Anton Bózner ◽  
Mikuláš Gažo ◽  
Jozef Dostál

It is anticipated that Japanese quail /Coturnix coturnix japonica/ will provide animal proteins in long term space flights. Consequently this species of birds is of research interest of international space program INTERCOSMOS. In the year 1987 we reported on an experiment /2/ in which the effect of chronic acceleration of 2 G hypergravitation, the hypodynamy and the simultaneous effect of chronic acceleration and the location in the centre of the turntable of the centrifuge on the protein fractions in skeletal muscles was studied. The ultrastructure of the heart muscle was now in this experiments examined as well.Japanese quail cockerels, aged 48 days were exposed to 2 G hypergravitation /group IV/ in a 6,4 m diameter centrifuge, to hypodynamy /group III/ and their combination /group V/, respectively for 6 days / Fig.1/. The hypodynamy in group III was achieved by suspending the birds in jackets without contact the floor. The group II was located in the centre ofthe turntable of the centrifuge. The control group I. was kept under normal conditions. The quantitative ultrastructure of myocard was evaluated by the methods of Weibel/3/ - this enables to determine the number, relative size and volume of mitochondria volume of single mitochondria, defficiency of mitochondrial cristae and volume of myofibrils.


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