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WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences

WARTAZOA
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Published by Indonesian Center for Animal Research and Development

ISSN : 02166461 EISSN : 23546832 DOI : 10.14334

Core Subject : Health,

Veterinary

WARTAZOA. Indonesian Bulletin of Animal and Veterinary Sciences ISSN: 0216-6461 E-ISSN: 2354-6832 is a peer-reviewed, scientific journal published by Indonesian Center for Animal Research and Development (ICARD). The aim of this journal is to publish high-quality articles dedicated to all aspects of the latest outstanding developments in the field of animal and veterinary science. It was first published in 1983. The journal has been registered in the CrossRef system with Digital Object Identifier (DOI) prefix 10.14334.

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Articles 10 Documents

Search results for , issue "Vol 9, No 2 (1999)" : 10 Documents clear

Variation in Milk Yield Of Dairy Cattle: Evaluation on Correction Factors of Internal Environmental Effects Anggraeni, Anneke
Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Animal Sciences Society

Correction factors as standard factor are needed to standardize internal environmental effects to evaluate genetic for desired traits of each breed, strain, or individual animal. Some dairy cattle scientists in warm (cold) and hot climate have made observing correction factors (CF) of internal environmental effects mainly for stages (days length) of lactation, calving age, milking ftequency, days open, and dry period for milk and its components (protein and fat). The correction factors should be done due to high variability onÂ those parameters that occur natually eventhough dairy management have been kept well. Developing correction factors of calving age, days open, and days dry for milk production becomes main discussion in this paper. In Indonesia, correction factors of internal environmental effect for local Fries Holland dairy cattle need to be developed. The appropriate correction factors will be effective to eliminate the variation of milk yield caused by non-genetic effects. So the result of evaluation and selection could be expected to figure out genetic potencial of dairy cattle in producing milk. Â Key words: Milk yield, correction factors, and internal environment

Utilization of Yeast as Feed Additive to Improve Ruminant Production Wina, Elizabeth
Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Animal Sciences Society

Yeast has been known and used in human life long time ago. Recently, yeast is used as feed additive for ruminant in overseas countries. There are a lot of strains and varieties of yeast but its type of strain or variety for ruminant feed is not mentioned. For ruminant feed, yeast is sold as live-cell yeast or mixture of yeast with its medium growth. Yeast can manipulate rumen by increasing cellulolytic bacteria so that the digestibility increased and consequently improving daily gain. The role of local yeast in improving ruminant production in Indonesia has not been deeply studied even though a good response found in the in vitro result. Â Key words: Yeast, Saccharomyces cerevisiae, ruminant, feed additive

Viral Arthtritis in Chicken: Problems and its Control Dharmayanti, N L P I
Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Animal Sciences Society

Viral arthritis in chicken is caused by avian reovirus infection. The infection readily occurs via the egg when the breeder hens go through a viraemia resulting in the virus being transmitted to the progeny. Horizontal transmission occurs through the direct contact. This disease causes leg weakness, swelling the hock joint, lameness, gastrocnemius tendon rupture and femoral head necrosis. Affected birds are reluctant to move, unable to seek food or water and rapidly become dehydrated and die. Economic losses may be due to mortality or culling, reduce growth or egg production on to down to carcass downgrading. Demonstration of Reovirus in the tendon sheath by fluorescent antibody technique (FAT) or isolation in chicken embryo liver (CELi). Group of specific antigens are demonstrable by the agar gel precipitin test (AGPT). Reovirus grows readily in the embryonating chicken egg following inoculation via theÂ yolk sac, chorio allantoic membrane (CAM) or allantoic cavity. Vaccination to induce maternal antibody can be done with inactivated or active vaccines or combinations of both. For prevention of vertical transmission, egg for hatching should be come only from flock known to be free from reovirus infection. Â Key words : Viral arthritis, lameness, vaccination

Infectious Bronchitis (IB) Disease and its Control in Chicken Indriani, Risa; ., Darminto
Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Animal Sciences Society

Infectious Bronchitis (IB) is an acute, highly contagious viral respiratory disease of chickenâs caracterized by tracheal rallies, coughing, sneezing and nasal discharge in young chicks. In addition, the disease may affect kidhney, and in laying flock there is usually a drop in egg production and quality. IB is a major negative economic importance in poultry industry because the disease causes poor weight gain and feed efficiency, mortality in young chicks, reduction in egg production and egg quality in laying flock. IB is distributed worldwide and has been reported to be present in Indonesia. IB is caused by virus of a member of Coronaviridae under genera of Coronavirus. Spreading of IB virus among chickens usually by inhalation. Diagnosis of the disease can be based on the isolation and identification of the virus using embryonated chicken eggs and trachea organ culture. There is no treatment available for IB, so the control of the disease is mainly by vaccination. The existence of multiple serotipes of IB virus requires vaccines which are represent the antigenic spectrum of field isolates. To ensure the results of vaccination program, monitoring antibody titers following vaccination is recommended. The most widely used serological test for antibody monitoring is an enzyme linked immunosorbent assay (ELISA) or Haemaglutination Inhibition (HI) test. Â Key words: IB, virus, chicken, control

Environmental Management for Poultry Farm Rachmawati, Sri
Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Animal Sciences Society

Attention has to be given to farming management, housing and waste handling in order to achieve an efficient farming and also to maintain a good environmental quality. A literature review was conducted to find out kinds of waste discharged from poultry farm, the effect of waste to environment and health and its handling and monitoring methods. Environmental problem of poultry farm comes from manure that causes bad odor. The source of odor is from the formation of ammonia and hydrogen sulfide gases, nitrate, and nitrite during decomposition process of manure. Air polluted by those gases can cause disturbance to chicken health and people who live near the farm. Ammonia can inhibit the growth of chicken and cause eyes irritation and respiratory problem to human being. Methods of odor handling using zeolite, lime, and microorganism have been attempted. Those materials, which are added into manure, can reduce the formation of ammonia and hydrogen sulfide gases. The manure can also be used as an organic fertilizer, and the farmer obtains good benefit from it, because it has high nitrogen content. To maintain a good environmental quality, especially from manure odor, continuous environmental monitoring has to be done that involving people who live around the farm. Their perception about manure odor has to be taken into consideration and they are also asked to report any problems caused by the pollution of manure odor. Â Key words: Handling, manure, monitoring

Environmental Management for Poultry Farm Sri Rachmawati
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Center for Animal Research and Development

Variation in Milk Yield Of Dairy Cattle: Evaluation on Correction Factors of Internal Environmental Effects Anneke Anggraeni
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Center for Animal Research and Development

Correction factors as standard factor are needed to standardize internal environmental effects to evaluate genetic for desired traits of each breed, strain, or individual animal. Some dairy cattle scientists in warm (cold) and hot climate have made observing correction factors (CF) of internal environmental effects mainly for stages (days length) of lactation, calving age, milking ftequency, days open, and dry period for milk and its components (protein and fat). The correction factors should be done due to high variability on those parameters that occur natually eventhough dairy management have been kept well. Developing correction factors of calving age, days open, and days dry for milk production becomes main discussion in this paper. In Indonesia, correction factors of internal environmental effect for local Fries Holland dairy cattle need to be developed. The appropriate correction factors will be effective to eliminate the variation of milk yield caused by non-genetic effects. So the result of evaluation and selection could be expected to figure out genetic potencial of dairy cattle in producing milk. Key words: Milk yield, correction factors, and internal environment

Utilization of Yeast as Feed Additive to Improve Ruminant Production Elizabeth Wina
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Center for Animal Research and Development

Yeast has been known and used in human life long time ago. Recently, yeast is used as feed additive for ruminant in overseas countries. There are a lot of strains and varieties of yeast but its type of strain or variety for ruminant feed is not mentioned. For ruminant feed, yeast is sold as live-cell yeast or mixture of yeast with its medium growth. Yeast can manipulate rumen by increasing cellulolytic bacteria so that the digestibility increased and consequently improving daily gain. The role of local yeast in improving ruminant production in Indonesia has not been deeply studied even though a good response found in the in vitro result. Key words: Yeast, Saccharomyces cerevisiae, ruminant, feed additive

Viral Arthtritis in Chicken: Problems and its Control N L P I Dharmayanti
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Center for Animal Research and Development

Viral arthritis in chicken is caused by avian reovirus infection. The infection readily occurs via the egg when the breeder hens go through a viraemia resulting in the virus being transmitted to the progeny. Horizontal transmission occurs through the direct contact. This disease causes leg weakness, swelling the hock joint, lameness, gastrocnemius tendon rupture and femoral head necrosis. Affected birds are reluctant to move, unable to seek food or water and rapidly become dehydrated and die. Economic losses may be due to mortality or culling, reduce growth or egg production on to down to carcass downgrading. Demonstration of Reovirus in the tendon sheath by fluorescent antibody technique (FAT) or isolation in chicken embryo liver (CELi). Group of specific antigens are demonstrable by the agar gel precipitin test (AGPT). Reovirus grows readily in the embryonating chicken egg following inoculation via the yolk sac, chorio allantoic membrane (CAM) or allantoic cavity. Vaccination to induce maternal antibody can be done with inactivated or active vaccines or combinations of both. For prevention of vertical transmission, egg for hatching should be come only from flock known to be free from reovirus infection. Key words : Viral arthritis, lameness, vaccination

Infectious Bronchitis (IB) Disease and its Control in Chicken Risa Indriani; Darminto .
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 9, No 2 (1999)
Publisher : Indonesian Center for Animal Research and Development

Infectious Bronchitis (IB) is an acute, highly contagious viral respiratory disease of chicken’s caracterized by tracheal rallies, coughing, sneezing and nasal discharge in young chicks. In addition, the disease may affect kidhney, and in laying flock there is usually a drop in egg production and quality. IB is a major negative economic importance in poultry industry because the disease causes poor weight gain and feed efficiency, mortality in young chicks, reduction in egg production and egg quality in laying flock. IB is distributed worldwide and has been reported to be present in Indonesia. IB is caused by virus of a member of Coronaviridae under genera of Coronavirus. Spreading of IB virus among chickens usually by inhalation. Diagnosis of the disease can be based on the isolation and identification of the virus using embryonated chicken eggs and trachea organ culture. There is no treatment available for IB, so the control of the disease is mainly by vaccination. The existence of multiple serotipes of IB virus requires vaccines which are represent the antigenic spectrum of field isolates. To ensure the results of vaccination program, monitoring antibody titers following vaccination is recommended. The most widely used serological test for antibody monitoring is an enzyme linked immunosorbent assay (ELISA) or Haemaglutination Inhibition (HI) test. Key words: IB, virus, chicken, control

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Journal Mail Official
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Editorial Address
Indonesian Center for Animal Science Research and Development Jl. Raya Pajajaran Kav E-59 Bogor 16151 Bogor Indonesia

Location
Kota bogor,

Jawa barat

INDONESIA