Drugs acting on the reproductive system, production animals

Question 1

ART

Answer 1

assisted reproductive technologies

Question 2

Hormonal synchronisation goal

Answer 2

The goal is to have control over oestrus.
This control may include the supression of oestrus or the induction of it.

This is important because it enables easier management of breeding (and having offspring) and the planning/amount of work.

Question 3

Assisting calving

Answer 3

Requires specific skills and experience

Tools help a lot if used correctly and reasonably

Proper hygiene helps to avoid later problems

Certain substances might ease the process

Question 4

Antibiotics options (6)

Answer 4

β-lactam antibiotics
Sulfonamides
Tetracyclines

Amphenicols
*Cephalosporins
*Quinolones

Question 5

NSAID options, production animals (3)

Answer 5

Flunixin meglumine
Ketoprofen
Carprofen

Question 6

Hormone products used in production animals (4)

Answer 6

Prostaglandin F2α (can cause abortions)

GnRH

Oxytocin (note: does not open the cervix but pgf2alfa does)

Progesterone

Question 7

Example of a Heat synchronization protocol

Answer 7

1. PGF2α injection
2. 10-12 day wait
3. PGF2α injection
4. 72 h wait
5. Insemination

But there are various protocols with varying substances used (ie. also progesterone, estradiol, GnRH, synthetic FSH etc.).

Question 8

Intrauterine substances can be: (3)

Answer 8

Tablets
- Amoxicillin (Penicillin) – VEYXYL TABS
- Rifaximin (rifamycin) - FATROXIMIN

Suspension
- Cephapirin (Cephalosporin) – METRICURE
- Ozoderm (Castor oil, chamomile oil, olive oil and more)

Other,
Antispasmodic drugs
- Denaverine – SENSIBLEX
Local anesthetics
- Lidocaine, procaine
Iodine, potassium permanganate, soap
- Flushing?

Question 9

what can cause nymphomania in cows

Answer 9

follicular cyst (s)

can make the ovary feel as big as a baseball on rectalization (cyst 2.5 cm+)

treat with GnRH administration in order to resolve follicle

Question 10

cow gestation

Answer 10

285 days +/- 10 days
(a little bit breed dependent)

Question 11

first choice induction agent for cows

Answer 11

pgf2alfa

(Note: oxytocin does not open the cervix but pgf2alfa does)

Question 12

cesarean calves are predisposed to

Answer 12

umbilical infections because their umbilicus doesn’t get crushed in the birth canal like it would naturally