Judul: Pengaruh masa kosong terhadap produksi susu setara dewasa 305 hari sapi fries holland
Abstrak: Days open is one of factor to determining milk production. This research was conducted to know the effect of days open milk production mature equivalent (ME) 305 days avaluase. This study used 150 weekly recording of milk production from 50 Fries Holland (FH) cows in BBPTU Baturraden, Purwokerto, Central Java. Milk production was calculated using Time Interval Method (TIM) then equivalent to mature 305 days.
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Judul: Pengaruh Selang Pemerahan  Terhadap  Produksi Susu Sapi Fries Holland  (FH)
Abstrak: The objective of this research was to know the right milking interval for maximum milk production. Four of Fries Holland cows were milked at 12:12 and 10:14 daily interval to determine the effect of milking interval on the milk production. The cows were kept at Field Laboratory, Faculty of Animal Science. The data were analyzed by randomize complete block design. The result showed that cows milked at 10:14 interval produce less milk than the cows milked at 12:12 interval, but it was not significant (P>0.05). The milk production in10:14 interval were 1.37% less than that of the cows milked at 12:12 interval. More milk secreted was observed at shorter milking interval than that of longer milking interval. Udder pressure gradually increased after milking it will make decreasing milk secretion rate due to increasing milking interval.
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Judul: Phylogenetic analysis of subgenus Dieramalpinia (Alpinia carolinensis clade) - Zingiberaceae based on ITS sequences
Abstrak: The most recent infra-generic classification of Alpinia Roxb. by Smith divided the genus into two subgenera (Alpinia and Dieramalpinia) with 11 sections and 12 subsections. One of the sections of Alpinia subgenus Dieramalpinia is Myriocrater which contains about 16 species. The most recent phylogenetic study that included species from Alpinia subgenus Dieramalpinia was done by Kress et al. (2007). They sampled only eight species and found that these were nested within a clade referred to as the Alpinia carolinensis clade. This clade was well supported and may be separated as a genus if sampling more species confirms the result. The objectives of the present project are to compare ITS within one species; to test the monophyly of Alpinia section Myriocrater; to test whether adding more samples still supports the Alpinia carolinensis clade. The present study included thirty-nine samples representing nineteen taxa from Alpinia; seven samples are still unidentified at species level. Sequences of the Internal Transcribed Spacer were used in the analysis. The result showed that ITS sequence of Myriocrater’s species are more conserved than another group in Zingiberaceae. There are base variations within species level. The Alpinia section Myriocrater plus five species from other section is not monophyletic. The Alpinia carolinensis clade still includes three sections of Smith classification (Dieramalpinia, Myriocrater and Pycnanthus) from subgenus Dieramalpinia. Alpinia subgenus Dieramalpinia section Eubractea and one species of section Dieramalpinia are separated into another clade.
Keyword: Alpinia, Myriocrater, Dieramalpinia, Alpinia carolinensis clade