Thyroid Hormone and Blood Metabolites Concentrations of Broiler Chickens Subjected to Feeding Time Restriction

The present study was conducted to determine the effect of feeding time restriction on thyroid hormone and blood metabolites concentration of broiler chickens during feed restriction and realimentation period. Four hundred of 7 days-old unsexed broiler chicken of Lohmann commercial strain were arranged in a completely randomized design with 5 treatments and analyzed based on ANOVA. The treatments were: chicks fed ad libitum as a control treatment (R-0); chicks had free access to feed during two periods of 2 h (08:00-10:00 and 16:00-18:00) from 7-14 d of age (R-1) and 7-21 d of age (R-2); chicks had free access to feed during two periods of 4 h (08:00-12:00 and 16:00-20:00) from 7-14 d of age (R-3) and 7-21 d of age (R-4). The treatments consisted of 4 replicates with 20 chicks each. During feeding time restriction from 7 to 21 d of age, thyroid hormone and albumin plasma concentration of R-2 and R-4 were lower (P3 and T4) and blood metabolite (albumin) decreased during feeding time restriction for 4 and 8 h per d from 7 to 21 d of age and it returns to normal during realimentation period

Pertumbuhan Kompensasi dan Efisiensi Produksi Ayam Broiler yang Mendapat Pembatasan Waktu Makan

The present study was designed to investigate the effect of feeding time restriction on compensatory growth and production efficiency of broiler chickens. Four hundred of 7 days-old unsexed broiler chicken of Lohmann commercial strain were used in the experiment. The treatments were: bird fed ad libitum as a control treatment (R-0); bird had free access to feed during two periods of 2 hours (08:00-10:00 and 16:00-18:00) from 7-14 days of age (R-1) and 7-21 days of age (R-2); bird had free access to feed during two periods of 4 hours (08:00-12:00 and 16:00-20:00) from 7-14 days of age (R-3) and 7-21 days of age (R-4). The treatments were arranged in a completely randomized design with 4 replications. Feed intake and body weight gain of chicken exposed to feeding time restriction on R-1, R-2, R-3 and R-4 were lower (P < 0.01) than those of chicken fed ad libitum. There were no significant different on feed intake and body weight gain during realimentation period. Compensatory growth occured on R-2 and R-4 during the 28 to 42 days of age and similar body weight  with control at age 42 days. Feed conversion ratio on R-2 and R-4 were lower (P < 0.01) feeding time restriction (7-21 days) and realimentation period (28-35 days). It was concluded that feeding time restriction for 8 hours per day from 7 to 21 days of age indicated compensatory growth and similar body weight and had better feed cost and production index than that of control

Peningkatan Kualitas Telur Itik Pitalah dengan Pemberian Pakan Tepung Daun Lamtoro (Leucaena leucochepala) yang Difermentasi dengan Bacillus laterosporus dan Trichoderma viride

Tujuan dari penelitian untuk mengetahui pengaruh fermentasi makanan daun lamtoro dalam ransum itik Pitalah. Desain penelitian menggunakan rancangan acak kelompok (RAK) dengan 7 perlakuan, 3 ulangan dan setiap ulangan terdiri dari 6 petelur bebek. Perlakuan penelitian ini adalah R0 (kontrol), R1 (10% tepung daun lamtoro tanpa fermentasi), R2 (10% TDL fermentasi dengan Bacillus laterosporus), R3 (20% TDL fermentasi dengan Bacillus laterosporus), R4 (10% TDL fermentasi dengan Trichoderma viride) dan R5 (20 % TDL  fermentasi dengan Trichoderma viride) dan R6 (10% TDL Fermentasi dengan  Bacillus laterosporus + 10% TDL  fermentasi dengan Trichoderma viride). Parameter yang diamati seperti: lemak, kolesterol dan warna kuning telur. Hasil penelitian menunjukkan bahwa perlakuan ransum berbeda sangat nyata (P<0,01) untuk kolesterol dan warna kuning telur tetapi berbeda nyata (P<0,05) untuk lemak kuning telur. Penggunaan produk daun lamtoro fermentasi dengan Trichoderma viride dan Bacillus laterosporus sebanyak 20% di ransum itik Pitalah dan perlakuan R3 penurunan lemak (18,50%), kolesterol kuning telur (42,00 mg/dl) dan peningkatan warna kuning telur 12,67. Perlakuan R3 lebih baik daripada kontrol ransum dan ransum lain dan juga bisa meningkatkan kinerja itik Pitalah

Peningkatan Kualitas Telur Itik Pitalah dengan Pemberian Pakan Tepung Daun Lamtoro (Leucaena leucochepala) yang Difermentasi dengan Bacillus laterosporus dan Trichoderma viride

Tujuan dari penelitian untuk mengetahui pengaruh fermentasi makanan daun lamtoro dalam ransum itik Pitalah. Desain penelitian menggunakan rancangan acak kelompok (RAK) dengan 7 perlakuan, 3 ulangan dan setiap ulangan terdiri dari 6 petelur bebek. Perlakuan penelitian ini adalah R0 (kontrol), R1 (10% tepung daun lamtoro tanpa fermentasi), R2 (10% TDL fermentasi dengan Bacillus laterosporus), R3 (20% TDL fermentasi dengan Bacillus laterosporus), R4 (10% TDL fermentasi dengan Trichoderma viride) dan R5 (20 % TDL fermentasi dengan Trichoderma viride) dan R6 (10% TDL Fermentasi dengan Bacillus laterosporus + 10% TDL fermentasi dengan Trichoderma viride). Parameter yang diamati seperti: lemak, kolesterol dan warna kuning telur. Hasil penelitian menunjukkan bahwa perlakuan ransum berbeda sangat nyata (P<0,01) untuk kolesterol dan warna kuning telur tetapi berbeda nyata (P<0,05) untuk lemak kuning telur. Penggunaan produk daun lamtoro fermentasi dengan Trichoderma viride dan Bacillus laterosporus sebanyak 20% di ransum itik Pitalah dan perlakuan R3 penurunan lemak (18,50%), kolesterol kuning telur (42,00 mg/dl) dan peningkatan warna kuning telur 12,67. Perlakuan R3 lebih baik daripada kontrol ransum dan ransum lain dan juga bisa meningkatkan kinerja itik Pitalah