Effect of supplementary glycerin on milk composition and heat stability in dairy goats

OBJECTIVE: This experiment was studied the effects of various levels of crude glycerin (CG) in dairy goat diet on daily intake, milk yield, milk composition, some physical properties and some quality changes of goat milk after sterilization

Bibliographische Detailangaben
Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 30(2017), 12 vom: 25. Dez., Seite 1711-1717
1. Verfasser: Thoh, Deela (VerfasserIn)
Weitere Verfasser: Pakdeechanuan, Patcharin, Chanjula, Pin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Glycerin Goat Milk Milk Composition Milk Sterilization
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520 |a OBJECTIVE: This experiment was studied the effects of various levels of crude glycerin (CG) in dairy goat diet on daily intake, milk yield, milk composition, some physical properties and some quality changes of goat milk after sterilization 
520 |a METHODS: Twelve 75% Saanen dairy goats (body weight = 49±3 kg; days in milk = 60±12 d) were randomly assigned in a completely randomized design to evaluate the effects of three experimental diets consisting of 0%, 5%, and 10% CG (dry matter basis) which were formulated to meet or exceed the nutrient requirements of goats. Experimental dairy goats were evaluated for feed and milk yield. Milk samples were analyzed for their composition, including fatty acids, casein profile, fat globule size, and color, and were sterilized to evaluate milk heat stability 
520 |a RESULTS: There were no significant differences between 0% and 5% CG treatments infeed. Increasing CG supplementation from 0% to 5% increased milk yield from 2.38±0.12 to 2.64±0.23 kg/goat/d. In addition, milk samples from 5% CG treatment had the highest total solids, fat content and lactose content, and largest fat globule size. Increasing CG to 10% resulted in a decrease in milk fat. After sterilizing at 116°C, F 0 = 3 min, goat milk samples from 5% CG treatment had slightly higher sediment content and comparatively higher degree of browning 
520 |a CONCLUSION: Considering milk yield, milk fat content and quality of sterilized milk, 5% CG supplementation in a total mixed ration has a potential for implementation in dairy goats 
650 4 |a Journal Article 
650 4 |a Glycerin 
650 4 |a Goat Milk 
650 4 |a Milk Composition 
650 4 |a Milk Sterilization 
700 1 |a Pakdeechanuan, Patcharin  |e verfasserin  |4 aut 
700 1 |a Chanjula, Pin  |e verfasserin  |4 aut 
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