Sentences with phrase «by estrus»

Co.) of fluctuating hormone levels throughout the estrus cycle and the effect on hip joint laxity indicated that hip laxity is not changed by estrus cycle using either the OFA or the PennHIP method.

Not exact matches

Blankenhorn believes, for example, that he has found the «biochemical foundations» of the social form of marriage for humans in the female's lack of estrus, her «forward - tilting» vagina and her capacity for orgasm, and in the «unusually large» (by comparison with a gorilla) male penis — all destined to make heterosexual intercourse a more enticing project for humans.

By contrast, these females retained a normal level of social interest in other females during estrus, and in male mice when not in estrus.

The responses to alcohol in neurons from mice in estrus were unaffected by the estrogen receptor blocker.

Seeking the solitude and quiet she needs to bring down an elk with a bow, Amy Raye sprays herself with elk estrus — female elk urine taken during the breeding cycle and used by hunters to mask personal scent and attract a male elk — and then leaves camp alone in the still dark hours of early morning.

The question then becomes what should one look for to figure out when estrus is occurring, because the puppy should then be removed from other dogs in the household and protected so she does not accidentally attract and get pregnant by wandering in - tact males.

Onset of «estrus» (heat) in the «Jill» can be recognized by enlargement of the vulva.

The first estrus cycle usually occurs by age 6 to 12 months; for some cats as early as 4 months of age, for others not until age 12 months or so.

A mass protrusion from the vaginal area (canine vaginal prolapse or vaginal hyperplasia) can be described as vaginal tissue protruding from the vulva, commonly caused by edema (fluid retention) from estrogen produced in estrus (when your dog is in heat).

By this time, the length of the dog's estrus cycle will have been established and you can plan for the event.

Clinical signs of pyometra present after four to eight weeks after estrus (heat); during estrus the cervix is open as the female is looking to accept a mate, this is the time that an infectious agent (usually E. coli) infect the uterus; if the diarrhoea has been occurring for more than four weeks, it is possible that it may have contributed to the pyometra, but usually pyometra is caused by bacteria from the urinary tract or normal vaginal flora.

The first estrus cycle usually occurs by age 6 - 12 months; for some small breeds, as early as 5 months, and for some large and giant breeds, the first cycle may not occur until 14 months of age or older.

Estrogen is the hormone released during the estrus cycle has been reported as an important factor in the development of various ovarian, uterinal and cervical cat tumors, which can be prevented by spaying cats when young; preferably before the first heat cycle.

Spaying before first estrus (heat) is no longer recommended by many veterinarians.

The veterinarian or a member of his / her staff will discuss any additional fees to be paid by the adopter for conditions such as, but not limited to, estrus (heat), pregnancy, obesity, retained testicles, geriatric patients or other medical concerns with the adopter prior to surgery.

They often begin to develop between six and ten years of age and are caused by the hormone, progesterone, associated with estrus, and reproduction.

The estrus cycle is divided into four phases that are differentiated by cytologic, hormonal and behavioral features.

Ovariohysterectomy is recommended at the first signs of emerging diabetes in these dogs as the diabetes mellitus typically becomes a permanent condition by the second estrus cycle.

Insulin resistance can be caused by hypothyroidism, Cushing's disease, infections, pancreatitis, drug therapy (corticosteroids), obesity, acromegaly, estrus (heat cycle), and anti-insulin antibodies.

Large - breed female dogs are more prone to mammary cancer, so spaying prior to first estrus (usually by 12 months) is a good option.

Furthermore, the levels of the hormone estrogen, which is primarily produced by the follicles, rise gradually in the bloodstream causing behavioral estrus in the bitch.

Every female dog and cat in estrus or «heat» shall be confined by way of a solid barrier such as a wooden fence, inside the owner or attendant's home, or in a veterinary hospital or animal establishment, in such a manner that another not neutered male of the same species can not come in contact with such dog or cat, except for intentional breeding purposes.

However, it's impossible to determine an exact date by which you can ensure your pet gets the greatest benefit of preventing the first estrus cycle; in one cat it may be four months, in another it's five or even six.

Not all of these «reasons» are accepted by everyone, especially any effect of estrus.

However, as I mentioned earlier, although there was that one report by Keller and Bouchard that supported this effect of estrus on laxity or congruity, it has never been confirmed by others, and at least one study by Hassinger and others, performed with peer review and scientific controls, indicates that there is no basis for that idea.

Yet a 2009 study commissioned by PetSmart Charities revealed that the most common reason cat owners gave for maintaining an intact female was the mistaken belief that a female cat should have an estrus cycle before sterilization.