Reproductive Technologies in Cattle and Sheep

<p>The cost of using reproductive technologies and their accessibility to small farmers. (C)</p> Signup and view all the answers

<p>It allows for accurate timing of interventions like AI or ET, maximizing the chances of successful fertilization and pregnancy. (B)</p> Signup and view all the answers

<p>They allow for the selection and breeding of animals with superior genetics. (B)</p> Signup and view all the answers

<p>To have the cow inseminated before ovulation occurs (A)</p> Signup and view all the answers

<p>12 to 24 hours after the onset of standing heat (D)</p> Signup and view all the answers

<p>It can result in improper timing for insemination (C)</p> Signup and view all the answers

<p>It offers managerial benefits alongside genetic improvement (D)</p> Signup and view all the answers

<p>Natural breeding can be more successful in some cases. (A), Reproductive technology requires advanced training. (C)</p> Signup and view all the answers

<p>Frozen-thawed sperm has limited viability (D)</p> Signup and view all the answers

<p>Natural mating can lead to healthier offspring. (C)</p> Signup and view all the answers

<p>If technology is too costly to implement. (D)</p> Signup and view all the answers

<p>Natural behaviors can enhance mating success and can be more cost effective (B)</p> Signup and view all the answers

<p>It often involves complicated procedures. (B)</p> Signup and view all the answers

<p>The farmer lacks technical skills and funds for technology. (D)</p> Signup and view all the answers

<p>It might introduce genetic defects. (A)</p> Signup and view all the answers

<p>To synchronize the breeding cycle of cows over a shorter period. (D)</p> Signup and view all the answers

<p>The cost of administering ARTs (B)</p> Signup and view all the answers

<p>To allow for efficient management of the herd through synchronized breeding cycles. (B)</p> Signup and view all the answers

<p>It allows for unlimited access to a wider range of genetic material. (A)</p> Signup and view all the answers

<p>To meet the growing global demand for food (C)</p> Signup and view all the answers

<p>Pregnancy diagnosis. (B)</p> Signup and view all the answers

<p>Accelerate genetic progress in livestock (A)</p> Signup and view all the answers

<p>To coincide with the natural breeding season and ensure optimal calf survival. (B)</p> Signup and view all the answers

<p>Using a Cue-Mate device to synchronize breeding cycles. (A)</p> Signup and view all the answers

<p>To establish a genetic database for breeding purposes (D)</p> Signup and view all the answers

<p>To ensure that the use of ARTs is sustainable for individual farms (B)</p> Signup and view all the answers

<p>AI allows breeders to select sires with desirable genetics that may not be available locally or on the farm. (C)</p> Signup and view all the answers

<p>It can cause pain and discomfort to the animals (B)</p> Signup and view all the answers

<p>Allows for more efficient use of labor and resources during the breeding season. (B)</p> Signup and view all the answers

<p>By reducing the overall costs of raising livestock (A)</p> Signup and view all the answers

<p>To improve specific traits within the population. (D)</p> Signup and view all the answers

<p>Artificial insemination (B)</p> Signup and view all the answers

<p>Increased genetic diversity from far-off bunks. (D)</p> Signup and view all the answers

<p>Limited genetic selection. (B)</p> Signup and view all the answers

<p>Fertility and disease resistance. (C)</p> Signup and view all the answers

<p>It helps to measure the success of the breeding program. (C)</p> Signup and view all the answers

<p>Breeding and reproductive activity. (D)</p> Signup and view all the answers

<p>It allows precise timing of breeding. (A)</p> Signup and view all the answers

<p>Ethical concerns regarding animal welfare. (B)</p> Signup and view all the answers

<p>Creating animals tailored to specific production goals. (A)</p> Signup and view all the answers

<p>Follicular phase (B)</p> Signup and view all the answers

<p>By observing changes in desired trait expression over generations. (A)</p> Signup and view all the answers

<p>Sheep and cattle (B)</p> Signup and view all the answers

<p>Natural mating is always the best method. (A)</p> Signup and view all the answers

<p>Luteal Phase (C)</p> Signup and view all the answers

<p>If pregnancy does not occur (D)</p> Signup and view all the answers

<p>Degrade the corpus luteum (D)</p> Signup and view all the answers

<p>Progesterone (A)</p> Signup and view all the answers

<p>During the follicular phase (D)</p> Signup and view all the answers

<p>Immediately before ovulation, causing the release of the egg. (D)</p> Signup and view all the answers

<p>Estrogen (B)</p> Signup and view all the answers

<p>Early in the cycle, when follicle development begins. (C)</p> Signup and view all the answers

<p>Immediately following ovulation, after the corpus luteum forms. (A)</p> Signup and view all the answers

<p>LH (B)</p> Signup and view all the answers

<p>Mid-cycle, as the dominant follicle is maturing. (C)</p> Signup and view all the answers

<p>The release of prostaglandin. (C)</p> Signup and view all the answers

<p>After ovulation, as the corpus luteum forms. (A)</p> Signup and view all the answers

Estimated Breeding Values (EBVs) and Australian Sheep Breeding Values (ASBVs) predict an animal's genetic potential for traits.

Using reproductive technologies can enhance profitability by improving genetic quality and reproductive efficiency.

Accurate data enhances decision-making in breeding, ensuring the best genetic selections are made.

The oestrus cycle refers to the recurring period of fertility in female animals, crucial for breeding success.

High investments in livestock typically reflect an animal's superior genetic potential or traits that ensure profitability.

Different reproductive methods like AI and IVF can improve genetic quality, reproductive efficiency, and overall productivity.

Animals with superior genetics tend to produce higher quality offspring, directly influencing income for producers.

When using reproductive technologies, ethical considerations include animal welfare and the implications of genetic manipulation.

A plan to immunize at-risk animals to prevent disease.

The process of confirming if cows are pregnant post-breeding.

Monitoring breeding success and reproductive health in cattle.

Breeding cows over a limited timeframe for better management.

The schedule and timing of when cows give birth.

Aligning cows' breeding cycles to improve efficiency.

The process of placing semen directly into the female for breeding.

Using AI to obtain superior genetics from distant sires.

Predictions of an animal's genetic value based on performance data.

Technologies used to enhance reproductive efficiency in livestock.

The ability of females in a herd to reproduce effectively.

Evaluating the financial implications versus gains from using reproductive technologies.

Enhancing desirable traits in livestock through selective breeding.

Ethical issues regarding animal welfare in reproductive practices.

Application of breeding values to increase farm economic returns.

Recognizing the stages of an animal's reproductive cycle.

The process of identifying when a female animal is in 'standing heat' or ovulating for optimal insemination timing.

Ovulation in cows occurs approximately 26 to 30 hours after the onset of standing heat.

A method of artificial insemination that does not rely on the detection of heat, allowing for scheduled breeding.

The period when a cow is receptive to mating; crucial for successful AI.

For optimal results, inseminate 12 to 24 hours after the onset of standing heat.

Tools used to help identify cows in standing heat, enhancing detection accuracy.

Problems that arise when incorrect heat detection leads to poor insemination timing, resulting in fewer pregnancies.

Choosing natural breeding with bulls/rams over reproductive technologies for practical reasons.

Natural breeding may have lower upfront costs compared to advanced reproductive technologies.

Using a bull or ram simplifies the breeding process compared to managing reproductive technologies.

Natural breeding allows farmers to better observe and understand animal behavior during mating.

Natural breeding can reduce stress on animals compared to procedures like artificial insemination.

Bulls and rams are available on-site for immediate breeding opportunities, unlike scheduled technology methods.

Natural breeding can help maintain genetic diversity in a small herd compared to using a single source of technology.

Natural breeding facilitates easier tracking of herd health and reproduction without high-tech tools.

The period in the oestrous cycle when a female is receptive to mating.

The first phase of the oestrous cycle where follicles develop, leading up to ovulation.

The phase after ovulation characterized by the formation of the corpus luteum that produces progesterone.

A temporary structure in the ovaries involved in the production of hormones like progesterone.

A period of inactivity in the reproductive cycle when the female is not cycling.

Techniques like artificial insemination and embryo transfer used to enhance breeding outcomes.

A reproductive technology that involves the deliberate introduction of sperm into a female’s reproductive tract.

A technique where fertilized embryos are transferred from a donor female to a recipient female.

A systematic approach to improving livestock traits through selective mating and reproductive technologies.

The traditional method of breeding involving the natural pairing of males and females.

The percentage of inseminated females that become pregnant.

Choosing specific characteristics to improve through breeding.

The reasoning behind breeding programs based on financial benefits.

Hormone secreted post-ovulation, peaks during luteal phase.

Occurs when pregnancy does not happen, leading to corpus luteum destruction.

A hormone that stimulates the growth of ovarian follicles and egg development.

A hormone that triggers ovulation by releasing the mature egg from the dominant follicle.

A hormone produced by ovarian follicles that causes behavioral changes and prepares the uterus for pregnancy.

A structure formed from the ruptured follicle that secretes progesterone after ovulation.

A hormone that maintains the uterine lining for implantation and inhibits new follicle development.

A hormone that initiates the regression of the corpus luteum when there's no fertilization.

The sequence in which hormones like FSH, LH, estrogen, and progesterone are released during the estrous cycle.