Mortalitas dan bobot badan tiga strain ayam broiler pada kepadatan kandang yang berbeda

The aim of this study was to analyze the effects of strain, density and their interaction on mortality and body weight of broiler chicken raised in the closed houses. The data was obtained from 60 broiler farms in the Central Java province. Three strains were Cobb, CP 707, and Loghman. The density level was classified into three groups: £10, >10 to <15, and ³ 15 birds/m2. Parameters observed were mortality and body weight in the first week to the fifth week (M1, M2, M3, M4, and M5) and (BB1, BB2, BB3, BB4 dan BB5), respectively. Test of significance effect for strain and density was performed using Mixed procedure of Statistical Analysis System (SAS) University Edition V.6p.2. software. The results showed that density was significant (P<0,01) on the first week (M1), their interaction was (P<0,01) on M1 and (P<0,05) on the fourth week (M4), but not significant on body weight. The conclusion from this study there was an interaction between genetic and environment on mortality one week after chick in and nearly harvesting.

Nilai VFA dan NH3 Rumput Alam Padang Penggembalaan Kecamatan Haharu Kabupaten Sumba Timur

This study aims to determine the value of volatile fatty acids (VFA) and ammonia (NH3) of natural grass in grazing fields in vitro. The study used a direct survey method in the field. Natural grass was tested in vitro using Bali cattle rumen fluid. The data obtained were analyzed using descriptive analysis based on the mean and standard deviation. Natural grass consisted of Heteropogon insignis, Bracharia decumbens, Bothriochloa ischaemum. The measurement of the value of VFA uses steam distillation, while the method of measuring the value of NH3 uses Conway micro diffusion. The results showed that Bracharia decumbens grass had a total VFA value of 74.48 mM and an NH3 value of 8.50 mM which was higher than Heteropogon insignis grass (total VFA 65.79 mM and NH3 6.67 mM), and Bothriochloa ischaemum grass (total VFA 60.64 mM and NH3 5.34 mM). The conclusion of this study was based on the value of VFA and NH3, Bracharia decumbens grass was a natural grass that may be cultivated for ruminants.

Protein hidrolisat daging bekicot (Achatina fulica) sebagai pengurang penggunaan tepung ikan terhadap performa ayam kampung super

The aim of the study was to determine the level of use of fermented snail meat protein hydrolyzate (FSMPH) as a reduction of fish meal (FM) in the ration, and its effect on the production performance of “super” native chicken (SNC). Research materials were SNC unsexing and FSMPH. The study used an experimental method with a completely randomized design with 5 treatments and 4 replications. The research ration treatments were: P0 = FM 8% without FSMPH (Control), P1= TI 6%+FSMPH 5 ml/kg ration, P2= TI 4%+FSMPH 10 ml/kg ration, P3= TI 2%+FSMPH 15 ml/kg ration, P4= TI 0%+FSMPH 20 ml/kg ration. The results showed that the a reduction of FM with FSMPH on SNC ration consumption at each level had no significant effect (P>0.05) on control feed, BW, BWG, and FCR in P1, P2, and P3 treatments on control feed, but showed a significant difference (P<0.05) in lower BW, BWG, and higher FCR in P4 treatment of SNC fed with 8% (control). The conclusion was that FSMPH can be used as a reduction for FM up to 75% of the use of FM in the ration as much as 8%.

Produktivitas rumput gajah (Pennisetum purpureum cv Taiwan) hasil irradiasi sinar gamma pada dosis 50 Gy

The study aims to determine the productivity of elephant grass cv Taiwan (Pennisetum purpureum cv Taiwan) from gamma ray irradiation at a dose of 50 gy at five harvest in one year. The study used a randomized block design (RBD) with 3 replications, the treatment was 51 numbers clone of elephant grass (P. purpureum cv Taiwan) from gamma ray irradiation and control (without irradiation). Observations were made on each number of elephant grass irradiated on 5 plants per number, and were made on 10 plantswith a harvest interval of 2 months. The observed parameters include the number of tillers; fresh and dry leaf weight; fresh and dry stem weight, and total weight. The results showed a significant impact of gamma radiation (P<0.05) on tiller count, fresh leaf weight, dry leaf weight and fresh stem weight as well as dry stem weight and total weight. These results show that gamma radiation on elephant grass can generate diversity and increase its productivity. The best cuttings can be made on the fourth cut in clones no. 19, 1, 27, 31 and 3.

Substitusi rumput lapang dengan hay African Star Grass (Cynodon plectostachyus) terhadap produktivitas kelinci lokal jantan

The purpose of this research was to determine field grass substitution by hay African Star Grass (Cynodon plectostachyus) on the productivity of local male rabbits with an age of 3 months old. The research was conducted in October-November 2020 in Central Pojok Village, Cikahuripan, Lembang, West Bandung Regency. The research method used a completely randomized design with five treatments which were P0: 80% field grass + 20% concentrate; P1: 60% field grass + 20% hay African Star Grass + 20% concentrate; P2: 40% field grass + 40% hay African Star Grass + 20% concentrate; P3: 20% field grass + 60% hay African Star Grass + 20% concentrate; P4: 80% African Star Grass hay + 20% concentrate, and each treatment was repeated five times so that the number of rabbits used were 25 heads. Data obtained were analyzed using SPSS software and Duncan's multiple range test. The results showed that the substitution of field grass by Afrikan Star Grass affected ration consumption (P<0.05) with an average of 150.79-185.78 grams/head/day, but did not affect body weight gain and feed conversion (P>0.05) with an average of 14.64-19.78 grams/head/day and 7.94-11.60, respectively. This study concluded that the provision of hay African Star Grass at the level of 20% showed more optimal results.

Hubungan morfologi telur dengan bobot telur dan bobot DOC dengan bobot badan ayam Kampung F1

This study aims to determine the relationship between egg morphology and egg weight and DOC weight with body weight of Kampung F1 chickens. The research material was 174 free-range chickens from hatching 315 eggs. The method used: experimental method. Data collected: egg size, egg weight, body weight, body weight gain, and body size. Data on egg size, egg weight, body weight, body weight gain and body size were analyzed using a t-test. The relationship between variables was analyzed regression and correlation analysis. Characteristics of body size and shape were analyzed principal component analysis. The results showed that egg size, egg weight, body weight, body weight gain and body size of male Kampung chickens were different (P <0.05) higher than females. Egg size affects egg weight, and DOC weight affects body weight at 4, 8, and 12 weeks of age. Egg size was positively correlated with male and female egg weights. DOC weight was positively correlated with body weight of Kampung chickens aged 4, 8, and 12 weeks. The closest correlation between egg size and egg weight was egg circumference (0.913), and DOC weight with body weight was weight at 4 weeks of age (0.936). In conclusion, the relationship between egg size and egg weight, DOC weight and body weight were linear and had appositive values.

Pertambahan bobot badan sapi impor Brahman Cross heifers dan steers pada bobot kedatangan yang berbeda

Impor sapi bakalan untuk memenuhi kebutuhan daging nasional telah diatur di dalam Peraturan Menteri Pertanian Republik Indonesia Nomor 108/Permentan/PD.410/9/2014. Penelitian ini bertujuan untuk mengkaji performa sapi impor yang didatangkan dari Australia berdasarkan Pertambahan Bobot Badan (PBB). Observasi dilakukan pada sapi impor bakalan dari bangsa Brahman Cross yang terdiri dari 2 jenis, yaitu heifers dan steers. Fokus pengamatan pada PBB sapi dengan Bobot Datang (BD) kisaran 200, 300, dan 400 kg. Sapi impor tersebut digemukkan di perusahaan feedlot minimal selama 106 hari. Analisis data menggunakan analisis deskriptif dan analisis independent samples test dengan program aplikasi IBM SPSS Statistics 26. Hasil penelitian menunjukkan bahwa PBB maksimal sapi impor bangsa Brahman Cross jenis heifers pada berat kedatangan (BD) 200, 300, dan 400 kg masing-masing ialah 2,01; 1,81; dan 1,45 kg dengan rata-rata PBB masing-masing sebesar 1,40; 1,17; dan 1,10 kg, sedangkan PBB maksimal untuk jenis steers pada berat kedatangan (BD) 200, 300, dan 400 kg masing-masing ialah 1,86; 2,53; dan 1,96 kg dengan rata-rata PBB masing-masing sebesar 1,44; 1,43; dan 1,43 kg. Kesimpulan menunjukkan bahwa sapi impor bangsa Brahman Cross jenis steers memiliki PBB lebih tinggi jika dibandingkan dengan jenis heifers. Saran untuk perusahaan importir sapi potong bakalan hendaknya memilih jenis steers pada berat kedatangan (BD) 300 kg, sebab sapi memiliki potensi PBB yang maksimal.

Koksidiosis pada sapi perah di Kabupaten Jember, Jawa Timur – Indonesia

Penelitian ini bertujuan untuk mengetahui kejadian koksidiosis pada ternak sapi perah di Kabupaten Jember. Sebanyak 75 sampel diperoleh dari sapi perah Friesian Holstein berjenis kelamin betina dengan umur yang bervariasi. Bahan yang digunakan berupa sampel feses, garam jenuh (Natrium Clorida jenuh), dan akuades. Metode yang digunakan adalah metode kuantitatif dengan teknik Mc. Master dan Whitlock untuk menghitung oosista per gram tinja (OPG) yang ditemukan dalam sampel untuk mengetahui derajat keparahan koksidiosis. Sampel feses diambil langsung dari rektum ternak sapi perah atau diambil dari lantai kandang apabila sapi perah baru saja mengeluarkan feses (feses segar). Sampel feses yang diambil untuk setiap sapi perah adalah 10 gram feses. Identifikasi oosista Eimeria spp. dilakukan secara kualitatif dengan menggunakan metode apung atau flotation method. Data yang diperoleh dianalisis menggunakan analisis deskriptif, selanjutnya dilakukan perhitungan prevalensi. Hasil penelitian menunjukkan bahwa prevalensi koksidiosis di Kabupaten Jember mencapai 20% dengan derajat infeksi kategori ringan.

Pengaruh penambahan tepung daun Indigofera (Indigofera zollingeriana) dalam pakan terhadap kandungan kimia telur Ayam Arab

Penelitian ini bertujuan untuk mengevaluasi pengaruh penambahan tepung daun Indigofera zollingeriana terhadap kualitas kimia telur ayam arab. Penelitian dilakukan selama 3 bulan di kelompok peternakan unggas Permata Kelurahan Wua - wua, Kendari. Pengujian kandungan kolesterol, lemak, dan protein telur dilakukan di Laboratorium Terpadu Institut Pertanian Bogor. Penelitian ini menggunakan Rancangan Acak Lengkap dengan 4 perlakuan dan 4 ulangan. Ransum perlakuan menggunakan persentase tepung daun Indigofera zollingeriana yang diuji terdiri atas: P0= 0% (kontrol), P1= 10%, P2= 15%, dan P3= 20%. Parameter yang diamati adalah kadar lemak, protein, dan kolestrol telur ayam arab. Data hasil penelitian dianalisis menggunakan rancangan acak lengkap (RAL). Apabila perlakuan berpengaruh nyata maka dilakukan Uji Duncan Multiple Range Test (DMRT). Hasil penelitian menunjukan bahwa penambahan tepung daun Indigofera zollingeriana pada pakan hingga 20% tidak memberikan pengaruh yang nyata terhadap kadar protein, lemak, dan kolestrol telur Ayam Arab (P>0,05). Penggunaan tepung daun Indigofera zollingeriana sampai dengan 20% dalam pakan tidak mempengaruhi kualitas kimia telur ayam arab.

Isolasi dan karakterisasi bakteri yang berpotensi mengikat aflatoksin di rumen sapi

Tujuan dari penelitian ini adalah untuk mengetahui pengaruh aflatoksin terhadap fermentasi rumen secara in vitro dan untuk mendapatkan isolat bakteri rumen yang mampu mengikat aflatoksin. Percobaan terdiri dari tiga tahap, tahap pertama adalah penurunan aflatoksin didalam rumen yang dilakukan secara in vitro. Tahap kedua adalah isolasi dan karakterisasi bakteri rumen yang bisa mengikat aflatoksin, dan tahap ketiga adalah uji daya ikat aflatoksin oleh bakteri rumen. Penelitian ini menggunakan rumen sapi yang didapatkan dari rumah potong hewan (RPH) Bubulak Bogor. Rancangan penelitian menggunakan rancangan acak kelompok (RAK) faktorial 2x3 dan 2 ulangan. Faktor pertama adalah kandungan aflatoksin (tanpa dan penambahan aflatoksin), faktor kedua adalah jenis pakan (ransum dan glukosa), dan faktor ketiga adalah waktu inkubasi (0 dan 4 jam). Hasil penelitian menunjukkan kandungan aflatoksin tidak mempengaruhi kondisi rumen (pH, volattile fatty acid (VFA), dan konsentrasi asam laktat rumen), dari hasil isolasi didapatkan 6 isolat dan bakteri rumen yang dapat mengikat aflatoksin hingga 50%.