Repeat Breeding Animals 2018 - iTMasterSupport.Tk

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Friday, 12 January 2018

Repeat Breeding Animals 2018


Repeat Breeding:
High Incidence of Cows Requiring Three or More Services
POSSIBLE CAUSES
Improper timing of insemination--breeding too early or too late.
Frequently inseminating cattle based on secondary signs of estrus.
High incidence of uterine infection.
Improper insemination technique or use of semen damaged during storage or handling.
Embryonic or fetal mortality.
Excessive weight loss or poor body condition.
Improper palpation technique during pregnancy exams.
Heat stress.
Inseminating cows too late in relation to ovulation.
Deficient crude protein or excess degradable protein intake.
Gross over-conditioning.
Diseases
Subclinical uterine infection.
Vibriosis and trichomoniasis in natural breeding.
Leptospirosis and haemophilus.
Viruses (IBR/IPV, BVD) and maybe others.
Ureaplasma and mycoplasma.
Toxicity (i.e., ketone bodies, mycotoxins, high blood urea nitrogen (BUN) and endotoxins).
Imbalance of calcium, phosphorus, vitamins A, D, and E and carotene.
Anemia.
Hormonal imbalance (i.e., intake of forages high in estrogen).
Use of low breeding efficiency sires.
Improper use of drugs or hormones that impact reproductive function

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