Pig Feed Improvement through Enhanced Use of Sweet Potato Roots and Vines in Northern and Central Vietnam

A Practical Guide for Farmers and Extensionists to Raise Pigs Efficiently with Local Feedstuffs

 


Dai Peters, Nguyen Thi Tinh, Thai Thi Minh, Phan Huu Ton, Nguyen The Yen and Mai Thach Hoanh. Special contribution by Danilo Pezo

INTERNATIONAL POTATO CENTER (CIP)

74pp


Contents:
ACKNOWLEDGEMENTS
INTRODUCTION
PART I -SELECTING AND GROWING SWEET POTATO FOR LIVESTOCK
1 Technology for growing dual-purpose and forage-purpose sweetpotato in the Northern Midlands of Vietnam
     1.1 Characteristics of Northern Midlands of Vietnam
  1.2 Geographical location
  1.3 Recommended sweetpotato varieties suitable for root and vine dual-purpose and their characteristics
  1.4 Sweetpotato varieties suitable for forage purpose and their characteristics
  1.5 Technologies that can be applied to increase vine and root yield
2 Technology for growing dual-purpose and forage-purpose sweetpotato in the Red River Delta of Vietnam
  2.1 Characteristics of the Red River Delta
  2.2 Geographical location
  2.3 Recommended sweetpotato varieties suitable for root and vine dual-purpose and their characteristics
  2.4 Sweetpotato varieties suitable for forage purpose and their characteristics
  2.5 Technologies that can be applied to increase vine and root yield
3 Technology for growing dual-purpose and forage-purpose sweetpotato in North-Central Vietnam
  3.1 Characteristics of North-Central Vietnam
  3.2 Geographical location
  3.3 Recommended sweetpotato varieties suitable for root and vine dual-purpose and their characteristics
  3.4 Sweetpotato varieties suitable for forage purpose and their characteristics
  3.5 Technologies that can be applied to increase vine and root yield
PART II - SWEETPOTATO ROOT AND VINE PROCESSING AND FEEDING TO PIGS
1 Sweetpotato vine and root ensiling methods and use of silage as pig feed
  1.1 Method
  1.2 Using sweetpotato vine and root silage to feed pigs
2 Feed crops and their processing and storage methods
  2.1 Energy sources
  2.2 Protein sources
  2.3 Concentrated feed mixtures (basal feed)
  2.4 Chemical composition and nutritive value of main feeds for pigs in Vietnam
3 Composition of concentrate feed mixtures (basal feed) and the rations for pigs for various weight categories
  3.1 Summary of various types of feed
  3.2 Composition of four types of basal feed and corresponding rations
  3.3 Daily feed ration
  3.4 Vine and root sweetpotato silage formulae
Technical supplement: Some principles of pig nutrition in the tropics

ACKNOWLEDGEMENTS

With contributions from:

• Trial participating farmers from Tuyen Quang, Bac Kan, Thai NpijKa. Bac Gong. Thai Binh, Hai Duong, Ha Tay, Hanoi, Thanh Hoa, Nghe An, Quang Nam.
• Dr. Danilo Pezo, technical section on "Some principles of pig nutrition in the topics" and technical review and commentary. Danilo A. Pezo. Animal Nutritionist HJU-SEA-OblRRI.LosBanos, Laguna, Philippines

Illustrator

Nguyen Cong Quang

Sponsors:

• International Potato Center (CIP), Hanoi Representative Office, Hanoi, Vietnam
• User's Perspective With Agricultural Research and Development (UPWARD) c/o IRRI, MCPO P.O Box 3127,1271 Makati City, Metro Manila, Philippines

Collaborators:

• National Institute of Animal Husbandry (NIAH), Tu Liem, Hanoi, Vietnam
• Root Crop Research Centre (RCRC) - Vietnam Agricultural Science Institute (VASI), Van Dien, Hanoi, Vietnam
• Food Crop Research Institute (FCRI), Gia Loc, Hai Duong, Vietnam
• Hanoi Agricultural University (HAU), Gia Lam, Hanoi, Vietnam



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