Life Cycle Nutrition_2 - 1 Life Cycle Nutrition Part II...

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Unformatted text preview: 1 Life Cycle Nutrition Part II Life Cycle Nutrition Nonruminants 114 G e s t a t io n 114 G e s t a t io n 21 Farrowing 21 Farrowing 21 Farrowing 21 Farrowing 42 W e a n i n g 42 W e a n i n g 42 W e a n i n g 49 F e e d e r p i g 49 F e e d e r p i g 56 G r o w / F i n i s h 56 G r o w / F i n i s h 56 Market Hog B r e e d 56 Market Hog 56 Market Hog B r e e d 338 days Life Cycle Nutrition... An individual animals nutritional requirements change daily Requirements for: Maintenance Growth Reproduction Feeding Management: Weaning-Market Feed accounts for 60-70% of the total cost of production Things to consider when formulating swine diets: nutrient requirements of the pigs available feedstuffs cost environmental concerns 2 Growing-Finishing Pigs... Pigs exiting nursery-market weight ~25-120 kg BW 75-80% of the total feed is consumed during this time period Factors that influence the pigs nutrient requirement for growth: genetics, sex, health, environment, stage of development Genetics Pigs differ in their genetic potential to deposit lean (muscle) and adipose tissue (lipid Some genotypes have the potential to gain both of these body component tissues rapidly throughout the grow-finish period Others gain both slowly Others may have a more rapid growth of lean or fat Average Genotype High lean Genotype Gilt Barrow Gilt Barrow 23-46 kg Lys, % .95 .85 1.2 1.1 Lys g/d 15 14 19 17.5 Feed int, kg 1.4-2.3 1.4-2.3 1.4-1.8 1.4-1.8 Daily gain, kg .5-.7 .5-.7 .45-.75 .45-.8 46-70 kg Lys, % .82 .72 1.0 .90 Lys g/d 17 16 23 19 Feed int, kg 1.8-3.0 1.8-3.0 1.8-2.3 1.8-2.3 Daily gain .6-.8 .6-.8 .6-.9 .6-.9 70-95 kg Lys, % .72 .63 .90 .80 Lys g/d 18 17 23 19 Feed int, kg 1.8-3.2 2.0-3.4 1.8-2.7 2-3.2 Daily gain .7-.9 .7-.9 .7-1.0 .7-1.0 95 kg-mkt Lys, % .63 .55 .80 .70 Lys g/d 17 16 21 17 Feed int, kg 2.0-4.0 2.3-4.1 1.8-3.2 2.3-3.6 Daily Gain, kg .7-1.0 .7-1.0 .7-1.1 .7-1.1 Growing-Finishing Pigs......
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This note was uploaded on 05/11/2011 for the course ANSC 324 taught by Professor Unknown during the Spring '11 term at Purdue University-West Lafayette.

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Life Cycle Nutrition_2 - 1 Life Cycle Nutrition Part II...

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