How long do CIDRs stay in sheep?
How long do CIDRs stay in sheep?
The CIDR has to be removed 12 days after insertion followed by a PMSG injection; 1–2 days after that, the ewe should be in oestrus. CIDRs have fewer problems such as vaginal discharge on removal compared to other methods like vaginal sponges.
What does CIDR stand for sheep?
Controlled Internal Drug Release
CIDRs (Controlled Internal Drug Release) are an intravaginal progesterone insert used in the beef cattle, dairy cattle, goat and sheep industries.
Can you reuse CIDRs in sheep?
Overall, we concluded that autoclaving the CIDRs previously used for 22 days had no positive effects on estrous and pregnancy rates when applied as primings for the ram effect during the non-breeding season.
How do you put CIDR on a sheep?
To insert a CIDR, first restrain the animal and then clean the area of the vulva thoroughly. Put the body of the insert into the applicator, with the plastic tail in the slot. Apply lubricant to the tip of the insert and position the insert with the tail on the underside of the applicator, curling down.
How long do you leave Rams in with ewes?
Rams should be joined with ewes for two 17 day cycles (5 weeks). Extending the joining periods is not recommended on more intensively run farms, as this holds up the completion of important management events such as marking and weaning.
What does Pmsg do in sheep?
PMSG is capable of supplementing and being substituted for both luteinising hormone and follicle stimulating gonadotrophin of the anterior pituitary gland in both the male and female, stimulating development of the ovarian follicle. This product is licensed for use in cattle, sheep and pigs.
What do CIDRs do in sheep?
The CIDR is a vaginal insert which releases progesterone, and is labeled to induce estrus in ewes during seasonal anestrus. The CIDR is a simple, easy-to-use device that is inserted into the ewe for five days, with ram introduction to immediately follow.
Can you breed a ram to his daughter?
The ram may breed his daughters and dam. Undersized ewe lambs may be bred. Because the times of breeding and lambing will not be not known, it will be difficult to properly time vaccinations, supplemental feeding, and other management practices.
How much ram do I need for 100 ewes?
As a general rule, healthy sound Merino and British breed rams can be used at a rate of 1 ram: 100 ewes.
How many ewes can a ram serve?
Ram to Ewe Ratio A ram can usually mate 3 to 4 ewes per day. In general, the recommended ratio for mature rams is 1:35 to 1:50. In large flocks, the percentage of rams to ewes is often higher.
How many sheep can a ram service in a day?
As a general rule, healthy sound Merino and British breed rams can be used at a rate of 1 ram: 100 ewes. This ratio can be modified to suit different conditions.
Where can I get CIDR for my sheep?
Sheep CIDRs are available from most livestock supply providers and come in a protected minimum bag of twenty. Extra CIDRs may be repackaged and frozen to use at a later date.
How much progesterone is in a CIDR sheep insert?
Each EAZI-BREED CIDR Sheep Insert contains 0.3 gram of progesterone in molded silicone over a flexible nylon spine. Attached to each EAZI-BREED CIDR Sheep Insert is a nylon tail. Active Ingredient: Progesterone, 0.3 gram per EAZI-BREED CIDR Sheep Insert Use: Induction of estrus in ewes (sheep) during seasonal anestrus.
Where are Eazi breed CIDR sheep inserts stored?
2. EAZI-BREED CIDR Sheep Inserts may reverse direction within the vagina; therefore, if the nylon tail of the insert is not visible on the day of removal, check the vagina to determine if an insert is present. 3. Used (removed) EAZI-BREED CIDR Sheep Inserts must be stored in a sealable container until disposed.
When to use CIDRs on a mature ewe?
We have learned that CIDRs are effective in mature ewes in good body condition that are not lactating and have been isolated from a ram for at least a month for best results. The ewe ram ratio of 18:1 is recommended when using CIDRs. REMEMBER STRESS DECREASES FERTILITY.