Compound feed for promoting muscular stomach development and improving chicken quality
A technology for chicken quality and compound feed, which is applied in the field of feed to achieve the effects of prolonging shelf life, improving muscle quality and promoting the development of muscle stomach
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Embodiment 1～8
[0037] The fermented materials, plant extracts or plant mixtures used in Groups 1-7 are obtained by the following methods:
[0038] Fermentation material: fresh Agarwood leaves and Eucommia leaves (10:3) were mixed and crushed, and passed through a 10-mesh sieve as the bottom material; Bacillus natto was prepared into bacterial liquid (2×10 5 cfu / mL); mix the bacterial liquid, base material and water at a mass ratio of 1:30:60, ferment on a shaker (150r / min) at 35-40°C for 7 days, and sterilize to obtain the fermented material.
[0039] Plant extract: According to the fresh weight ratio of 1:1, take fresh whole rosemary and thyme leaves, crush them, pass through a 10-mesh sieve, and add ethanol to soak for 48 hours at room temperature (25±2°C) according to the ratio of material to liquid: 1g:10mL. Extract after removal of ethanol.
[0040] Plant mixture: mix fresh agarwood leaves, Eucommia leaves, whole rosemary and thyme leaves according to the fresh weight ratio of 10:3:5:5...
experiment example
[0049] The test chickens were all derived from 84-day-old Wenchang chickens raised at the same period of time under the same nutritional level and management conditions. 50 birds (female) per group. The feeding standard refers to the Hainan local standard "Wenchang Chicken Feeding Management Technical Regulations". The experimental period lasted for 4 weeks, and the animals had free access to food and water during the experimental period to ensure sufficient feed.
[0050] Index determination:
[0051] After the experimental period, 3 birds were randomly selected from each group for slaughter, and they were fasted for 12 hours before slaughter.
[0052] Shear force: With reference to NY / T 1180, the muscle tenderness tester was used to measure the shear force of pectoralis muscle. The larger the shear force value, the smaller the muscle tenderness;
[0053] pH value measurement: refer to NY / T 1333, measure the pH of breast muscle 24 hours after slaughter; high pH can prolon...
Embodiment 9
[0063] A compound feed for promoting gizzard development and improving chicken quality, comprising the following ingredients in parts by weight: 10 parts of corn, 20 parts of sorghum, 20 parts of barley, 3 parts of soybean meal, 2 parts of sunflower meal, 5 parts of rice bran, and 15 parts of palm meal 15 parts of coconut meal, 6 parts of fermented material, 2 parts of plant extract, 0.3 part of calcium hydrogen phosphate, 1.2 parts of stone powder and 0.5 part of vitamin and trace element premix.
[0064] Fermentation material: fresh Agarwood leaves and Eucommia leaves (10:2) were mixed and crushed, and passed through a 10-mesh sieve as the base material; Bacillus natto was prepared into bacterial liquid (2×10 5 cfu / mL); mix the bacterial solution, base material and water at a mass ratio of 1:20:50, ferment on a shaker (150r / min) at 35-40°C for 7 days, and sterilize to obtain the fermented material.
[0065] Plant extract: take fresh whole rosemary and thyme leaves at a fresh...
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