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Section Five: Important diseases to consider during artificial insemination

Disease organisms can be spread on contaminated insemination equipment, clothing, and hands. Without strict attention to hygiene, artificial insemination has the potential to spread disease organisms from: Inseminators can never afford to be complacent about hygiene. Just because animals do not show visible signs of disease does not mean they are not carrying a transmissible …

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Section Two: The oestrus cycle

The oestrus cycle is the hormonal regulated reproductive cycle of cattle, generally defined as a period from one ovulation to the next. In normal, empty cattle the regular oestrous cycle repeats every 18 to 24 days in response to changing levels of different hormones. Stages of the oestrus cycle Select each of the + signs …

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Section Four: Becoming pregnant

Release of the mature egg occurs 24-30 hours from the commencement of the standing heat. The site on the ovary where the egg was released collapses, and the structure re-forms to become a corpus luteum (CL). Optimum fertility of the egg is 6 to 8 hours after ovulation (Average 6 hours for conventional frozen semen, …

Section Four: Becoming pregnant Read More »

Section Four: Becoming pregnant

Release of the mature egg occurs 24-30 hours from the commencement of the standing heat. The site on the ovary where the egg was released collapses, and the structure re-forms to become a corpus luteum (CL). Optimum fertility of the egg is 6 to 8 hours after ovulation (Average 6 hours for conventional frozen semen, …

Section Four: Becoming pregnant Read More »

Section Five: Important diseases to consider during artificial insemination

Disease organisms can be spread on contaminated insemination equipment, clothing, and hands. Without strict attention to hygiene, artificial insemination has the potential to spread disease organisms from: Inseminators can never afford to be complacent about hygiene. Just because animals do not show visible signs of disease does not mean they are not carrying a transmissible …

Section Five: Important diseases to consider during artificial insemination Read More »

Section Two: The oestrus cycle

The oestrus cycle is the hormonal regulated reproductive cycle of cattle, generally defined as a period from one ovulation to the next. In normal, empty cattle the regular oestrous cycle repeats every 18 to 24 days in response to changing levels of different hormones. Stages of the oestrus cycle Select each of the + signs …

Section Two: The oestrus cycle Read More »

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