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For use in cattle and buffalo. This is a T-shaped silicone elastomer device impregnated in progesterone (1.38g). It has a plastic tail to ease removal. The curve of plasma progesterone in ovariectomised cows fitted with either PRID or CIDR show similar overall levels with a more obvious initial peak in the coil versus the t-shaped device. It ...
At-home insemination kits can be a less expensive alternative to undergoing a fertility procedure at your doctor's office, including intrauterine insemination (IUI) and in vitro fertilization (IVF ...
The etymology of the term "freemartin" is uncertain: speculations include that "free" may indicate "willing" (referring to the freemartin's willingness to work) or "exempt from reproduction" (referring to its sterility, or to a farmer's decision to not bother trying to breed a freemartin, or both), or that it may be derived from a Flemish word for a cow which gives no milk and/or has ceased to ...
Findings suggested an average increase in milk output ranging from 11–16%, an approximate 24% increase in the risk of clinical mastitis, a 40% reduction in fertility, and 55% increased risk of developing clinical signs of lameness. The same study reported a decrease in body condition score for cows treated with rBST, though an increase in ...
Treatments vary according to the underlying disease and the degree of the impairment of the male's fertility. Further, in an infertility situation, the fertility of the female needs to be considered. [54] Pre-testicular conditions can often be addressed by medical means or interventions.
The Humane Society of the United States runs a deer birth control program, but it is experimental; it may not be cost-effective in the long run. [2] [3] [needs update] It may cost $300 [3] to $1000 [2] per deer. One contraceptive vaccine used is porcine zona pellucida (PZP), or derivatives.
Steer (cattle) (Castration performed on young calf) Wether (sheep, goat) An incompletely castrated male in livestock species (horse and cattle) is known as a rig. The term stag is used for a male animal castrated after the secondary sex characteristics have developed to such a point as to give him the appearance of sexual maturity.
Religious leaders' opinions on fertility treatments; for example, the Roman Catholic Church views infertility as a calling to adopt or to use natural treatments (medication, surgery, or cycle charting) and members must reject assisted reproductive technologies. Infertility caused by DNA defects on the Y chromosome is passed on from father to son.