Causes of Reproductive Inefficiency in Lactating Dairy Cattle - AgWeb

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Increased Steroid Metabolism = Low Fertility? 53 Mcal/d vs. 12.5 Mcal/d Results: • Decr estrous behavior • Incr size of ovulatory follicle • Incr double ovulation • Decr embryonic development • Decr preg rate • Incr pregnancy loss Decr. Estradiol Decr. Progesterone Wiltbank M. Bovine Reproduction Workshop - 2001
Effect of Milk Yield on Reproductive Performance
Page 1 and 2: Causes of Reproductive Inefficiency
Page 3 and 4: Physiological Factors Affecting Rep
Page 5: Lucinda's Lactation: 67,914 lb At P
Page 9 and 10: Embryo Quality: Dry vs. Lactating C
Page 11 and 12: Dairy Cow Lactation Cycle Energy (d
Page 13 and 14: • Elephant seals The Cow is not A
Page 15 and 16: 1. Basal metabolism 2. Activity 3.
Page 17 and 18: 3.0 > 3.25 3.0 < 2.75 3.25 > 3.25 E
Page 19 and 20: Effect of BCS at 65 DIM on Proporti
Page 21 and 22: Resumption of Cyclicity Influences
Page 23 and 24: Effect of BCS at 60 DIM on AI Submi
Page 25 and 26: Effect of BCS Change on Pregnancy p
Page 27 and 28: Average BCS: 2.84 3.57 4.36 Effect
Page 29 and 30: Effect of BCS Change during the Dry
Page 31 and 32: Association Between Days Open and B
Page 33 and 34: Impact of Mastitis on Pregnancy Ris
Page 35 and 36: Effect of Uterine Pathogen Load on
Page 37 and 38: Subclinical Endometritis and P/AI a
Page 39 and 40: Correlation Between Occurrence of M
Page 41 and 42: Relationship Among AI Protocol, Pre
Page 43 and 44: Timing of First GnRH and Ovulation
Page 45 and 46: Effect of Synchronization Protocol
Page 47 and 48: Take Home Messages • Lactation is
Page 49 and 50: • TAI programs Take Home Messages
Page 51 and 52: • 4 TH Conference • November 12

Causes of Reproductive Inefficiency in Lactating Dairy Cattle - AgWeb

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