Cow Heat Detection Methods
30 Questions
3 Views
3.7 Stars

Cow Heat Detection Methods

Learn about different methods used to detect heat in cows such as visual signs like vulvar mucus, chalk tail markings, and heat-mount detectors like KAMAR and Heatwatch. Understand how to identify estrus and non-estrus cows based on these signs.

Created by
@BoomingLoyalty

Questions and Answers

During which stage of pregnancy does the zygote undergo cell division to become a blastocyst?

Period of Embryo

What is the process called when the blastocyst loosely attaches to the endometrium?

Nidation

Which structure aids in the further development of the blastocyst and the formation of extraembryonic membranes?

Placenta

What is the period of pregnancy that lasts until before parturition known as?

<p>Period of Fetus</p> Signup and view all the answers

Which stage involves the differentiation of organ systems and the formation of appendages?

<p>Period of Fetus</p> Signup and view all the answers

What occurs during male + female pronucleus fusion in terms of ploidy?

<p>Diploid state restored</p> Signup and view all the answers

What hormone stimulates endometrial growth during pregnancy?

<p>Progesterone</p> Signup and view all the answers

Which hormone is responsible for promoting oviduct and endometrial gland secretion during pregnancy?

<p>Progesterone</p> Signup and view all the answers

What hormone inhibits uterine contraction during pregnancy?

<p>Progesterone</p> Signup and view all the answers

In dogs and cats, which hormone is responsible for maintaining uterine quiescence?

<p>Relaxin</p> Signup and view all the answers

Which hormone is responsible for initiating and maintaining milk synthesis during pregnancy?

<p>Prolactin</p> Signup and view all the answers

Which hormone has a somatotropin-like effect and promotes the development of mammary gland alveoli during pregnancy?

<p>Placental lactogen</p> Signup and view all the answers

What is the characteristic sign of estrus in a bitch?

<p>Enlarged and hyperemic vulva</p> Signup and view all the answers

Which of the following is NOT a component of the estrous cycle in a bitch?

<p>Gestation</p> Signup and view all the answers

In vaginal cytology of a bitch, which cell type is predominant during estrus?

<p>Cornified cells (CC)</p> Signup and view all the answers

What is the purpose of using a KAMAR heat-mount detector in cattle?

<p>To detect estrus</p> Signup and view all the answers

What is the purpose of applying chalk to the tail head region of a cow?

<p>To identify cows in estrus</p> Signup and view all the answers

What is the term used to describe a condition in bitches where they exhibit signs similar to pregnancy without being pregnant?

<p>Pseudopregnancy</p> Signup and view all the answers

What is the primary function of equine chorionic gonadotropin (eCG) in pregnant mares?

<p>Stimulates follicular development and acts as a superovulation drug</p> Signup and view all the answers

Which factor does NOT affect the length of gestation in mares?

<p>Ambient temperature</p> Signup and view all the answers

What is the typical time range for performing a progesterone test to diagnose pregnancy in mares?

<p>16-22 days post-mating</p> Signup and view all the answers

Which of the following is a correct statement about the ovarian cyclicity of pigs?

<p>Pigs are polyestrous, non-seasonal, and spontaneous ovulators.</p> Signup and view all the answers

Which technique is best suited for early pregnancy diagnosis in mares?

<p>Rectal ultrasonography</p> Signup and view all the answers

What is the optimal time range for ultrasonographic pregnancy diagnosis in sows?

<p>25-70 days post-mating</p> Signup and view all the answers

Which of the following is NOT a sign of heat in ewes?

<p>Vulva swelling and redness</p> Signup and view all the answers

What is the primary purpose of Doppler ultrasound in pregnancy diagnosis for dogs, pigs, sheep, and goats?

<p>Detecting fetal heartbeats</p> Signup and view all the answers

What is the duration of the estrus phase in cats?

<p>5-10 days</p> Signup and view all the answers

When does ovulation occur in pigs?

<p>In the late 1/3 of estrus</p> Signup and view all the answers

What is the Ram Effect in ewes?

<p>It shortens the anestrus period and changes the timing of the onset and end of the reproductive season in adult ewes.</p> Signup and view all the answers

How can you determine if a cat is pregnant after mating?

<p>By using a Doppler ultrasound</p> Signup and view all the answers

More Quizzes Like This

Cattle Quiz
9 questions

Cattle Quiz

Quizgecko avatar
Quizgecko
Cattle Respiratory System Quiz
3 questions
Use Quizgecko on...
Browser
Browser