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Journal : JURNAL PERTANIAN

MEAT PHYSICAL AND SENSORIC QUALITY OF BRAHMAN CROSS CATTLE FED PINEAPPLE WASTE AS FIBER SOURCE Dewi Wahyuni; Rudy Priyanto; Henny Nurani
Jurnal Pertanian Vol. 9 No. 2 (2018): OKTOBER
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (566.912 KB) | DOI: 10.30997/jp.v9i2.1481

Abstract

Meat quality represents meat properties known by consumers and affects their acceptance.  Feed is one of the factors affecting meat quality.  Utilization of pineapple waste as a fiber source in cattle feeding is potential to reduce feed cost.  Pineapple waste can be used as feed and as meat tenderizer.  However, many believes that feeding pineapple waste to cattle distract beef quality.  This study was aimed at assessing meat sensory quality of Brahman Cross cattle fed pineapple waste as fiber source.  Six Brahman Cross (BX) cattle aged 2.5-3 years were used.  The cattle were fattened for 120 days.  Three cattle was fed rations containing concentrate and pineapple waste silage and the remaining cattle was fed rations containing concentrate and corn leaf silage. In the end of the study period, the animals were slaughtered and meat was cut based on the commercial slaughtering standard.  Meat samples of Longissimus dorsi muscles were taken.  Beef sample aging was conducted at 0ºC for 3 months.  Measurements of beef characteristics were taken monthly.  A completely randomized design was used.  Data were subjected to a Kruskal Wallis test and meat physical characteristics were analysed by repetaed measurement analysis of variance.  The parameters observed comprised pH values, tenderness, cooking loss, water holding capacity, meat colors (L*, a*, b* value), organoleptic test hedonic and hedonic quality (aroma, tenderness, color, and mucus).  The results showed that the pineapple waste did not have significant influences on meat physical characteristics observed, except meat color a* values at two month aging, meat color L* value at three month aging. It was concluded that pineapple was could be used as a fiber source in beef cattle fattening with no negative effect on meat quality.
PERFORMANCE OF REJECTED DUCK THAT FED FERMENTED NON CONVENTIONAL AND COMMERCIAL FED RATION CONTAINING FLOUR LEAVES OF GELUGUR ACID Dewi Wahyuni; Elis Dihansih; Dede Kardaya
Jurnal Pertanian Vol. 11 No. 1 (2020): APRIL
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.168 KB) | DOI: 10.30997/jp.v11i1.2674

Abstract

Tujuan penelitian ini adalah mengetahui adanya interaksi antara dosis pemberian tepung asam gelugur dan jenis ransum yang diberikan terhadap performa. Ternak yang digunakan adalah 16 ekor itik afkir umur 72 minggu. Metode penelitian yang digunakan adalah metode Rancangan Acak Lengkap (RAL) Pola Faktorial 2x2, yang menjadi faktor A yaitu dosis pemberian tepung daun asam yang terdiri dari dua level perlakuan (0 dan 6%), sedangkan faktor B yaitu jenis pakan yang diberikan yang terdiri dari dua level perlakuan (ransum komersial dan ransum nonkonvensional terfermentasi). Parameter yang digunakan dalam penelitian, antara lain: pertambahan bobot badan, konsumsi ransum, konversi pakan dan mortalitas. Hasil penelitian menunjukkan tidak terdapat interaksi antara dosis pemberian tepung dan jenis ransum terhadap performa itik afkir. Pemberian dosis tepung daun asam maupun pemberian jenis ransum tidak berpengaruh nyata (P > 0,05) terhadap pertambahan bobot badan, konsumsi, konversi itik afkir. Nilai mortalitas pada penelitian ini adalah 0% dengan kata lain tidak terdapat kematian untuk semua perlakuan. Kesimpulan penelitian ini adalah pemberian sampai level 6% tepung daun asam gelugur dalam pakan nonkonvensional terfermentasi dan pakan komersial tidak menurunkan performa itik afkir.