CAPACITAÇÃO TECNOLÓGICA – Suinocultura / Djane Dallanora (Aula 57)

Summary

This video provides an in-depth look into the management of female swine reproduction, covering key topics such as estrus detection, artificial insemination, and nutritional care during gestation. It highlights important practices like flushing to boost ovulation, managing feeding during different gestation phases, and addressing health issues such as urinary tract infections and locomotor problems. The video emphasizes the importance of precise timing and techniques in insemination, as well as the proper care for sows to ensure optimal reproductive outcomes and overall herd productivity.

Takeaways

• 😀 The video focuses on reproductive management and feeding practices for female pigs (sows) in breeding operations.
• 😀 Heat detection in sows is crucial for successful artificial insemination (AI), with the presence of immobility indicating readiness for mating.
• 😀 Flushing, a phase where sows are fed ad libitum, helps improve ovarian activity and ovulation rates, leading to higher piglet numbers.
• 😀 After insemination, sows are placed in individual cages with restricted feeding for about 7 days to reduce energy intake during the early post-insemination period.
• 😀 Feeding during gestation is adjusted based on the sow's body condition, the stage of gestation, and fetal development.
• 😀 In the final 30 days of gestation, feeding is increased to support significant fetal growth and mammary gland development for lactation.
• 😀 Postpartum, feeding continues to be adapted to the sow's condition and the growth stage of the fetus to ensure proper nutrition.
• 😀 Two common health concerns in pregnant sows are urinary tract infections (cystitis) and locomotor problems (hoof issues).
• 😀 Urinary tract infections are prevented by providing access to clean water and encouraging frequent drinking through scheduled lifting and water access.
• 😀 Locomotor issues are managed by monitoring herd-wide problems and addressing individual cases, including ensuring proper flooring quality in housing areas.
• 😀 Artificial insemination is performed by inserting a lubricated pipette through the sow’s vulva into the reproductive tract to deposit semen into the uterus, either traditionally or using the post-cervical method, which uses a smaller semen dose.

Q & A

What is the main objective of the practical class on swine reproduction?

The main objective is to teach proper reproductive management techniques for sows, including estrus detection, artificial insemination, and feeding strategies during pregnancy.

What is 'flushing' and why is it important in swine reproductive management?

'Flushing' refers to a feeding strategy where sows are given unlimited access to feed before insemination to stimulate ovarian activity, increase ovulation rate, and improve the chances of a successful pregnancy.

How does the feeding protocol change after insemination?

After insemination, sows are moved to individual stalls and placed on a restricted feeding regimen for about seven days to manage energy intake. Later, their feeding is adjusted throughout gestation to support fetal growth and mammary gland development.

Why is it important to manage the water intake of pregnant sows?

Managing water intake is crucial to prevent urinary tract infections and promote proper urinary health. Regular lifting and access to clean water help prevent bacterial infections in the urinary system.

What is the role of estrus detection in swine reproduction management?

Estrus detection helps determine the optimal time for insemination. The primary sign of estrus is immobility in the presence of a mature boar, which signifies the sow is ready for insemination.

What is the difference between traditional insemination and post-cervical insemination in sows?

Traditional insemination involves a larger volume of semen and uses a boar during the procedure. In contrast, post-cervical insemination uses a smaller semen dose and bypasses the boar, which is more suitable for multiparous sows.

How does the health of the sow impact reproductive success?

Good health is essential for optimal reproductive performance. Common issues like locomotor problems or urinary tract infections can affect the sow's ability to conceive and carry a pregnancy. Preventative care is essential to maintain reproductive efficiency.

What are the common health issues that affect pregnant sows?

The two main health issues affecting pregnant sows are locomotor problems (related to the legs and hooves) and urinary tract infections (such as cystitis). These can be prevented with proper management practices like water intake regulation and high-quality bedding.

What is the importance of adjusting the feeding quantity during the sow's pregnancy?

Feeding adjustments throughout pregnancy are vital to support the sow’s changing nutritional needs. Early in gestation, the feed intake is lower, but it is increased during the last 30 days to support fetal growth and prepare the sow’s mammary glands for lactation.

How is the insemination process conducted in this training?

The insemination process involves confirming the sow is in estrus, cleaning the vulva, lubricating the pipette, and inserting it in a dorsocranial direction. In the post-cervical technique, a catheter is passed through the cervix to deposit the semen in the uterus.