This study was undertaken to analyze the quality of goat milk based cheese particularly its potential high antioxidant content through fortification of goat milk with purple sweet potato extract. A completely randomized design was used to determine the characterization of goat milk based cheese quality through five levels i.e. 0% (A); 2% (B); 4% (C); 6% (D) and 8% w/v (E) of purple sweet potato extract fortification in goat milk. The results showed that the increased level of fortification by purple sweet potato extract in goat milk based cheese significantly increased the pH value of the cheese (P<0.05) where the highest pH was 6.20 at the level of 4% w/v. Meanwhile, the yield and total of cheese acid were not affected by the fortification. The content of cheese protein significantly decreased (P<0.05) by the increasing level of fortification by purple sweet potato in goat milk. Goat milk-based cheese on the E treatment contained the lowest protein (19.42%). Functional potency of the cheese increased significantly (P<0.05) when the level of fortification was increased. The highest antioxidant content in goat milk based cheese was 114.47 mg/L. GAEAC at 8% w/v level. In conclusion, by increasing fortified goat milk by purple sweet potato extract up to 8% w/v was able to potentially produce cheese containing a high antioxidant.
Database of Bali heifer particularly on their nutrient digestibility, energy and nitrogen balance of various ration formulas on their growth performance were limited. Â A randomized block design with four types rations of metabolizable energy (ME) and crude protein ratios, i.e. of 2,045.38 kcal ME/kg:12.06% (Treatment A), 2,103.57 kcal ME/kg:13.11% (Treatment B), 2,201.85 kcal ME/kg:13.97% (Treatment C) and 2297.60 kcal ME/kg:15.05% (Treatment D) were conducted to evaluate nutrient digestibility, energy and nitrogen retention of Bali heifers. Â The rations consisted of concentrate, urea, molasses, king grass, coconut oil and vitamin-mineral mix. Â Results showed that Treatment D improved significantly of the 7,814.34 kcal/d digestible energy, 49.87 g/d digestible nitrogen, 11,015.06 kcal/d energy intake, 423.53 g/d nitrogen intake, 67.76 kcal/d energy retention, 7.91 g/d nitrogen retention, 0.33 kg/d daily weight gain (ADG), (P<0.05). Â In summary, ration for Bali heifer should contain at least 2,297.60 kcal ME/kg:15.05% crude protein for better average daily weight gain.
Tujuan penelitian ini adalah untuk mengetahui pengaruh pemberian silase rumput gajah odot (Pennisetum purpureum cv. Mott) dengan aras yang berbeda terhadap berat badan konsumsi pakan hijauan dan variasi me- tabolik glukosa darah dari kambing boerka yang dipelihara di Desa Sanda, Kabupaten Tabanan, Bali. Penelitian ini dilaksanakan dari tanggal 1 Maret sampai dengan 31 Mei 2021. Total 12 kambing dalam studi ini diberi pakan hijauan sebanyak 10% dari berat tubuhnya. Rancangan acak lengkap (RAL) dengan tiga perlakuan, yaitu: pakan hijauan tanpa diberikan silase rumput gajah odot (P0), pakan hijauan + 250 g silase rumput gajah odot (P1), pakan hijauan +750 g silase rumput gajah odot (P2) digunakan dalam penelitian ini. Masing-masing perlakuan memiliki 4 ulangan. Peubah yang diamati: konsumsi silase rumput gajah odot harian, total konsumsi pakan hijauan, total konsumsi pakan hijauan harian, kadar glukosa darah dan berat badan. Hasil penelitian ini menunjukkan bahwa perlakuan (P0, P1, P2) secara urut memiliki berat badan awal 32,58 ± 6,37 kg, 21,95 ± 6,37 kg dan 35,10 ± 6,37 kg dan berat badan akhir 33,69 ± 6,67 kg, 23,15 ± 6,67 kg, 39,45 ± 6,67 kg, total konsumsi pakan hijauan 994 ± 940 kg, 1.000 ± 940 kg, 995 ± 940 kg konsumsi pakan hijauan harian adalah 4.439 ± 3386 g/ekor/hari, 4.465 ± 3386 g/ekor/hari, dan 4.444 ± 3386 g/ekor/hari secara berurutan dan kadar glukosa darah 91,25 ± 4,89 mg/dl, 96,83 ± 4,89 mg/dl, 94,83 ± 4,89 mg/dl. Analisis data membuktikan bahwa pemberian pakan tambahan silase rumput gajah odot berbeda terhadap semua parameter antara perlakuan (P>0,05). Disimpulkan bahwa pemberian pakan tambahan silase rumput gajah odot memiliki hasil yang lebih tinggi terhadap pertambahan konsumsi pakan hijau- an, berat badan dan kadar glukosa darah pada tiap perlakuan.
The purpose of this study was to identify body dimensions that influenced the growth of goats reared in Bugis Village, Serangan Village, Denpasar, Bali. Data were obtained through direct observations, formal goat farmer in- terviews and key informant interviews that were conducted from April to July 2018. Two of the remaining three farmers who still kept rearing goats in Serangan Village were involved in this study. Each farmer housed his goats with a colony housing system and fed forages 10% of total body weight/day (control). One farmer supplemented ad- ditional feed of dwarf elephant grass (Pennisetum purpureum cv. Mott) silage (treatment). The variables observed: body weights, chest circumferences, body lengths, height of withers, and rump heights. This result showed that the body weight of 8 control goats was 30.67 ± 239 kg, which was significantly heavier than those of 29 treatment goats 20.65 ± 1.28 kg (P<0,05), however body weight of the treatment goats aged >5 years 38.73 ± 1.09 kg was significan- tly heavier than 33.33 ± 209 kg of those of the control goats (P<0.05). The highest correlation value in this result showed R2=0.964 between body weight and body length.
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