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Reciprocal crosses between Alabio and Mojosari ducks : early egg production Prasetyo, L.H; Susanti, T
Indonesian Journal of Animal and Veterinary Sciences Vol 5, No 4 (2000)
Publisher : Indonesian Animal Sciences Society

alternative to increasing productivity and production efficiency. Crossbreeding has been used widely for increasing productivity, and in this experiment Alabio and Mojosari ducks were crossed reciprocally in order to evaluate their egg production and egg quality, when compared to their parental breeds. Four genotypes AA, AM, MA and MM were compared and each consisted of 50 layer ducks. Each animal was kept in individual cage, and individual egg production and egg quality were recorded. They were given layer feed containing 20% crude protein and 3000 kcal/kg metabolisable energy. Results showed that the crossbred ducks (AM and MA) laid eggs earlier than their parental breeds (AA and MM), and MA laid earlier than AM. The weight of first eggs of the crossbreeds did not differ significantly, AM was the same as MM and MA the same as AA. For the body weight at first lay, MA and AM weighed in between their parental breeds, AA was the heaviest and then followed by MA, AM and MM. For the 3-month egg production, MA ducks laid significantly more egg than the other 3 genotypes, and this is related to the age of first lay being the earliest. In terms of egg quality such as egg weight, yolk color, weight and thickness of shell, weight of the white and HU value, the crossbred ducks showed quality in between AA and MM. The AM ducks tended to be closer to MM and MA closer to AA, and this shows a strong influence of maternal effects. The average level of heterosis for weight of first egg is 2.41% and for 3-month egg production is 2.1%, but for MA cross the heterosis level is 11.69% for egg production. The overall results showed that crossbreeds between Alabio and Mojosari have the potential in improving production traits in the effort to increase productivity and production efficiency. Â Key words : Duck, crossbred, production egg

Effect of restrticted feeding on productivity of Mojosari x Alabio cross-bred layer ducks (MA): 1. First phase of laying 20-43 weeks old Ketaren, Pius P; Prasetyo, L.H
Indonesian Journal of Animal and Veterinary Sciences Vol 7, No 1 (2002)
Publisher : Indonesian Animal Sciences Society

Feed cost is the major cost for duck-egg production which accounted to be more than 70% of total production cost. Feed efficiency of duck-egg production in Indonesia is low. The main reasons for the low feed efficiency (high feed conversion ratio, FCR) are (1) genetic trait (2) high feed wastage and (3) inadequate nutrient content of diet. An experiment was conducted to evaluate effect of restricted feeding of pelleted diet on Mojosari x Alabio (MA) cross-bred duck performances from 20-43 weeks old. The experiment was designed in a Completely Randomized Design. 156 MA cross-bred ducks were devided into three groups and fed three experimental diets: (1) 70%, 85%. and ad libitum. All experimental diets were fed to ducks for 24 weeks and feed intake, egg production, egg weight, FCR, molting and egg quality: egg yolk weight, albumen wight, egg shell weight and egg yolk colour score were measured as parameters. The results showed that the restricted feeding of 70% and 85% significantly (P<0.05) reduced egg production, egg weight and induced early molting but did not adversely affect duck livability and egg quality. MA croos-bred duck was more efficient by feeding ad libitum than the restricted feeding. FCR of duck fed 70% (6.38) was significantly (P<0.05) worst compared to FCR of duck fed 85% (3.68) and ad libitum (2.88). Â Key words: Restricted feeding, MA crossbred duck, productivity and egg quality

Effect of restricted feeding on productivity of Mojosari x Alabio cross-bred layer ducks (MA): 2. Second phase of laying from 44-67 weeks old Ketaren, P.P; Prasetyo, L.H
Indonesian Journal of Animal and Veterinary Sciences Vol 7, No 2 (2002)
Publisher : Indonesian Animal Sciences Society

Productivity and feed efficiency of Mojosari Alabio (MA) cross-bred duck on the first phase of laying from 20-43 weeks old was better when fed ad lib. using pelleted diet. An experiment was conducted to evaluate effect of restricted feeding of pelleted diet on second phase of laying of MA cross-bred duck performances from 44-67 weeks old. The experiment was designed in a Completely Randomized Design. 156 MA cross-bred ducks were devided into three groups and fed three experimental diets: (1) 70% ad lib., (2) 85% ad lib. and (3) ad lib. All experimental diets were fed to ducks for 24 weeks and feed intake, egg production, egg weight, FCR, molting, egg yolk weight, albumen weight, egg shell weight and egg yolk colour score were measured as parameters. The results showed that the restricted feeding of 70 and 85% significantly (P<0.05) reduced egg production, egg weight and egg yolk percentage, egg yolk colour score and induced early molting, but did not adversely affect egg white and egg shell percentage. FCR of duck fed 70% (6.47) was significantly (P<0.05) the worst compared to the duck fed 85% (4.13) and ad lib. (3.55). The results indicate that MA cross-bred duck was more efficient being fed ad lib. Key words: Restricted feeding, MA crossbred duck, productivity and egg quality

The estimation of genetic distance and discriminant variables on breed of duck (Alabio, Bali, Khaki Campbell, Mojosari and Pegagan) by morphological analysis Brahmantiyo, B; Prasetyo, L.H; Setioko, A.R; Mulyono, R.H
Indonesian Journal of Animal and Veterinary Sciences Vol 8, No 1 (2003)
Publisher : Indonesian Animal Sciences Society

A study on morphological body conformation of Alabio, Bali, Khaki Campbell, Mojosari and Pegagan ducks was carried out to determine the genetic distance and discriminant variables. This research was held in Research Institute for Animal Production, Ciawi, Bogor using 65 Alabio ducks, 40 Bali ducks, 36 Khaki Campbell ducks, 60 Mojosari ducks and 30 Pegagan ducks. Seven different body parts were measured, they were the length of femur, tibia, tarsometatarsus, the circumference of tarsometatarsus, the length of third digits, wing and maxilla. General Linear Models and simple discriminant analysis were used in this observation (SAS package program). Male and female Pegagan ducks had morphological size bigger than Alabio, Bali, Khaki Campbell and Mojosari ducks. Khaki Campbell ducks were mixed with Bali ducks (47.22%) and Pegagan ducks from isolated location in South Sumatera were lightly mixed with Alabio and Bali. Mahalanobis genetic distance showed that Bali and Khaki Campbell ducks, also, Alabio and Mojosari ducks had similarity, with genetic distance of 1.420 and 1.548, respectively. Results from canonical analysis showed that the most discriminant variables were obtained from the length of femur, tibia and third digits. Â Key words: Duck, genetic distance, morphological

Genetic relationships of Kampung, Pelung, Sentul and Black Kedu Chicken using Microsatellite DNA Markers: I. Lingkage group of macro chromosome Sartika, Tike; Iskandar, S; Prasetyo, L.H; Takahashi, H; Mitsuru, M
Indonesian Journal of Animal and Veterinary Sciences Vol 9, No 2 (2004)
Publisher : Indonesian Animal Sciences Society

Genetic relationships of Kampung, Pelung, Sentul and Black Kedu chickens were studied on the basis of microsatellite DNA polymorphism. DNA samples were analyzed using nine microsatellite markers which chosen from linkage group of macrochromosome (chromosome 1-8) such as, locus ABR 258, ABR359, ABR 297, ABR 339, ABR 75, ABR 209, ABR 28, ABR 419 and ABR 604. Analyses of amplified DNA fragments were performed using Gene Mapper 2.0 software (PE, Applied Biosystems). The allele frequencies in each breed estimated by direct counting. Since all nine microsatellite markers were polymorphic, genetic distance between the breeds could be calculated based on the frequencies of alleles of the microsatellite. Genetic relationships between the breeds could be constructed. The results indicated that a total of 73 allele were detected while typing all the four breeds of local chicken and one breed of White Leghorn as outgroup breed acrossed nine loci. The number of alleles was observed in all of the breed ranged 3-17 alleles according to the microsatellite under scrutiny. Highest observed number of alleles was found in Kampung Chicken 60 alleles (82.2%). The UPGMA method for dendogram based on Nei genetic distances indicated that the local chickens have the same of ancestor, while Kampung and Sentul chicken have the same cluster followed by Black Kedu and Pelung Chicken. Â Key words: Local chicken, microsatellite, macrochromosome, genetic distance

Morphology growth curve of female cross breed duck between Pekin and White Mojosari Suparyanto, A; Martojo, H; Hardjosworo, P.S; Prasetyo, L.H
Indonesian Journal of Animal and Veterinary Sciences Vol 9, No 2 (2004)
Publisher : Indonesian Animal Sciences Society

Morphological growth is a very dynamic process. It is reflected the changes of body structure affected by genetic and environmental responses. Each parameter had different growth curve sigmoid pattern those expressed different characteristics. Phenotypic growth data were collected from female ducks resulted from crossbreed between Pekin male and White Mojosari. The hatchers were twicely collected, the first collection was 69 heads and then they were 89 heads. Equation of non-linier regression is determined by Gompertz model using the Marquardt method. Result showed that fast growth happened from the start to 30 days old. Estimation values of circumstance and depth brest length variables were 30 and 83 mm respectively. In the first derivation, the maximum size of back and brest were observed on 16 weeks old. In the second derivation the maximum sizes of wide hip, wide and depth brestes were reached for longer time, those were 22 to 25 weeks. Meanwhile, the correlation between parameter A (body mature) and k (rate of mature) was negative. Every variable had different oscillation slopes, the slope of two infexion points of the original curve or they were variative. Â Â Key words: Duck, growth curve, morphology, crossbreed

Moulting patterns of Alabio and Mojosari ducks and their relation on blood lipids (tryglycerides), egg production and egg quality Purba, Maijon; Hardjosworo, P.S; Prasetyo, L.H; Ekastuti, D.R
Indonesian Journal of Animal and Veterinary Sciences Vol 10, No 2 (2005)
Publisher : Indonesian Animal Sciences Society

Moulting is a biological condition that can happen in poultry. It is resulted from the complex interaction which involves the function of thyroxine hormone. Moulting can reduce or even stop the egg production. A study was conducted to observe the moulting patterns of local ducks (Alabio and Mojosari) and to determine the relation of moulting with blood lipids (triglycerides), egg production and quality. Each breed consisted of ten female dukcs were observed for moulting pattern, blood triglycerides, egg production and quality. Fourty ducks were used for simulation of egg production. Data from moulting patterns,egg production and quality were analyzed using t-based on Least Square means with Statistical Analysis System. The relation of breeds and moulting patterns with triglycerides were analyzed using Analysis of Variance (ANOVA) for a completely randomized design in a factorial arrangement of 2x2. The main factor was kind of breeds, while the subfactor was the period of moulting, before and during moulting. There were not interaction in every variables between both factors. The average moulting periode of Alabio was significantly (P<0.05) shorter than that of Mojosari (69 vs 76 days). There were 40% of Alabio ducks moulting for 61-70 days, while 40% of Mojosari ducks moulting for 71-80 days. Egg production of Alabio ducks before and after moulting were higher than those Mojosari ducks. The triglycerides content of Alabio and Mojosari ducks was decreased during moulting, in Alabio ducks they were 32.02 and 27.64 Î¼g/ml before and during moulting, while in Mojosari ducks they were 32.83 and 29.32 Î¼g/ml respectively. Egg weight, albumin weight, yolk weight, and haugh unit of the two breeds increased after moulting, while yolk colour decreased. The average yolk colour of Alabio ducks before and after moulting were 6.90 and 5.11, while in Mojosari ducks they were 7.90 and 4.60 respectively. Â Â Key Words: Moulting, Tryglycerides, Egg Productivity, Egg Quality

Effect of restricted feeding on productivity of Mojosari X Alabio cross-bred layer ducks (MA): Growing phase to point at lay Ketaren, P.P; Prasetyo, L.H
Indonesian Journal of Animal and Veterinary Sciences Vol 12, No 1 (2007)
Publisher : Indonesian Animal Sciences Society

Feed efficiency of layer ducks is low since feed consumption is considerably higher than egg production. The experiment has been conducted to evaluate performances and age at first laying of MA crossbred duck from 1-20 weeks old on restricted feeding. Three experimental diets tested were: (1) 70% ad libitum = 70% A, (2) 85% ad libitum = 85% A and (3) 100% ad libitum = 100% A. Feed consumption, live weight gain (PBB), feed conversion ratio (FCR), mortality rate and age at first laying were recorded. Live weight gain of ducks on 70 and 85%A were significantly (P<0.05) lower than 100% A for both at 12 weeks old. Live weight gain of duck at 16 weeks old fed 85% A was similar to the ducks fed 100% A. On the other hand, FCR of duck at 16 weeks old on 70 and 85% A were significantly (P<0.05) better than ducks fed 100% A diet. Age at first laying was delayed 9 days on duck fed 85% A and 21 days on duck fed 70% A diet. However, average weight of first laid egg was not affected by the treatments. Mortality increased on duck fed 70% A. This study indicated that feeding MA duck at rate of 85% of ad libitum was sufficient to support normal growth and reproductive development. Key Words: MA Crossbred Duck, Restricted Feeding, Growth, Age at First Laying

Relationship of molting trait and egg production on crossbred Peking and Alabio ducks Susanti, Triana; Noor, R.R; Hardjosworo, P.S; Prasetyo, L.H
Indonesian Journal of Animal and Veterinary Sciences Vol 17, No 2 (2012)
Publisher : Indonesian Animal Sciences Society

Selection program through 6 months egg production record as criterion of selection can improve number of egg in a year. However the selected population has still showed molting which is influenced the cessation of egg production, so that its production has not optimal yet. The research has conducted to further learn about the relationship between molting and egg production. This study used 90 females AP ducks (the crossbred of Alabio â and Peking â) and 90 females PA ducks (the crossbred of Peking â and Alabio â). Observed variables were onset of molting, the length of molting periode and the egg production for 48 weeks. The collected data were analyzed by analysis of variance, correlation and regression. The results showed that based on the starting time of molting the ducks can be categorized into two group i.e (a) molting duck group and (b) non-molting duck group. There were 63 PA ducks characterized non-molting and 21 molting, and there were 42 non-molting and 45 molting in AP ducks. The egg production of these two groups was significantly different (P < 0.01). Since the molting was negatively correlated to the 48 weeks egg production (r = -0.896 for PA and -0.553 for AP), then this trait can be used as the selection criterion for egg production.The linear regression equation for PA of 48 weeks egg production = 80.7-0.369 molting duration, and for AP of 48 weeks egg production = 84 - 0.299 molting duration. Key Words: Molting, Egg Production, Duck

Predicted of production curve and persistensy by wood non-linier model on white Mojosari duck Suparyanto, Agus; Prasetyo, L.H
Indonesian Journal of Animal and Veterinary Sciences Vol 9, No 1 (2004)
Publisher : Indonesian Animal Sciences Society

Until recent, the biology data from white Mojosari duck have been never reported. Different from their sister, the brown Mojosari duck was establish for laying duck. Equation model of non-linier Wood was commonly used to predict the milk production curve. This method is possible for egg production of laying duck. The purpose of the research is understanding of production curve fitted and persistency. The data were collected from 39 birds of White Mojosari duck in Balitnak Ciawi. Four types of analysis data set, those are partial data (16 weeks), full data (52 week), collective and individual data of egg production. The equation of mathematic non-linier Wood is Y=AtBexp-kt by DUD method. The result show that egg production was 236 for 52 weeks record and twenty five percent were reached up than 290 eggs. Production trait will decrease on 4-5th month and after that slow up for increasing, but never came as high as the first and second month production. Estimation of A parameter is 5.5- 6.9 eggs per week, meanwhile the constantan of B is 1.0-1.1 and k is 0.007-0.02 respectively for production data. By percent, showed that A (83-84%), B (0.02-0.06) and k (0.006-001), that all for partial and full data. Genetic correlation between parameter A and B is negative, which is 0.94â0.098 (production data) and 0.24-0.76 respectively. Positive correlation was resulted between B and k parameters. But for A and k parameters were both are positive and negative result. Estimation of persistency was 3.8 weeks for individual data and 3.7 weeks for collective data by partial (16 weeks) data set. And than the fulldata (52 weeks) are 4.0 and 4.1 respectively for collective and individual data set. Â Key words: White Mojosari duck, non-linear, production curve

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