Gestation This presentation is from Virginia Tech and has not been edited by Georgia Curriculum Offi

1
GestationThis presentation is from Virginia Tech
and has not been edited by Georgia Curriculum
Office.

• The act or process of having young develop in the
  uterus pregnancy
• Simplified
• The period of pregnancy

2
Gestation Length

• Cattle 270 days-289 days
• Average 279 days
• approximately 9 months

3
Gestation Length

• Horses 305 days-380 days
• 335 average
• approximately 11 months
• lt320 days premature
• lt300 days nonviable (usually)

4
Gestation Length

• Sheep 145 days - 150 days
• average 147 days
• approximately 5 months

5
Factors Affecting Gestation Length

• Breed
• Season
• Sex of embryo
• Number of fetuses
• Nutrition

6
Early Gestation

• Feed to maintain BCS of 5 or 6
• Same as maintenance

7
Mid Gestation

• Nutrient Requirements similar to Early Gestation.
• Watch Carefully!!

8
Late Gestation

• Maintain BCS
• 60 fetal weight gain
• Protein, Mineral, Vitamin requirements increase.