sheep production management. overview basic steps to lambing methods used for lambing challenges...

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SHEEP PRODUCTION MANAGEMENT

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Page 1: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

SHEEP PRODUCTION MANAGEMENT

Page 2: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

Overview

• Basic Steps to Lambing

• Methods Used for Lambing

• Challenges Associated with Lambing

Page 3: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

I. Basic Steps

A. Managing Ewe’s Health & Nutrition prior to and during pregnancy (gestation)

• Flushing used before breeding• Nutrition affects both the ewe and lamb

during pregnancy

Page 4: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

I. Basic Steps continued

B. Identifying When Ewes Are Bred• Ram harness

• Chest paint

• Watch ewes for signs of heat (estrus)

• Check ewe’s udder for development late in gestation.

• Normal gestation length – 5 months minus 5 days, or 145 days

Page 5: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

I. Basic Steps continued

C. Directly following Birth

• 3 steps commonly followed for high management operations.

• Strip

• Snip

• Dip

Page 6: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

I. Basic Steps continued

D. Ways of Identification

• Ear Tag

• Ear Notching

• Ear Tattoo

• Paint Brand

Page 7: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

I. Basic Steps continued

E. Docking, Castration, & Vaccinations

• Practices vary widely in different operations

• Docking

• Castrating

• Vaccinating

Page 8: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

II. MethodsA. Pasture Lambing

– Ewe lambs in the field and does not come into the barn.

– Western Oregon– Cuts down on labor needed for

operation– Reduces chances of scours and

other bacteria infections– Increased chance of hypothermia

(cold lambs) & starvation.

Page 9: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

II. MethodsB. Barn Lambing

• Intensive/High labor operation• Drop pens• Post lambing every ewe enters a small pen

(jug) for observation. • Higher incidence of scours & navel infection

Page 10: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

II. Methods

C. Pasture to Barn Lambing• Moving ewe and lambs from pasture into barn

directly after lambing.

• Somewhat intensive management system

• Allows for a period of observation

• It’s a mix of the two other methods

Page 11: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

III. Challenges/Problems

A. Abnormal Births

• Common Examples:• Legs turned back

• Head turned back

• Hind legs first

• Tail only, no legs

Page 12: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

http://www.extension.iastate.edu/Publications/PM829X7.pdf

Page 13: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

Example of A Normal Birth

www.ukagriculture.com/. ../lambing.html

Page 14: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

III. Challenges/Problems

B. Poor Mothers• Abandonment or rejection• Udder problems

• Mastitis • Not enough or no milk/colostrums

• Often results in bummer lambs• Fed with milk supplement• Grafted onto another ewe

Page 15: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

III. Challenges/Problems

C. Disease & Illness– Common Examples:

• Scours

• Sore mouth• White Muscle disease

– Deficiency in selenium– Common in Western Oregon

• Phenomena

Page 16: SHEEP PRODUCTION MANAGEMENT. Overview Basic Steps to Lambing Methods Used for Lambing Challenges Associated with Lambing

III. Challenges/Problems

D. Predators• Fox problem with young lambs

• Coyotes main problem

• Mountain lions

• Bear

• Dogs

kcs.kana.k12.wv.us/.../ candid/Pictures/cyote.jpg