Sentences with phrase «males reach sexual maturity»

Not exact matches

«For marine animal populations to thrive and support sustainable fisheries, the males and females of each species need to reach sexual maturity, and deliver their eggs and sperm in the right place and at the right time.

The new life expectancies — 40 years for females and 73 years for males — suggest great whites reach sexual maturity later than previously thought, making young deaths more devastating to the species.

Joseph and Miller divided young males into control and weapon-less groups and allowed them to reach sexual maturity.

Small rodents and guinea pigs reach sexual maturity at a very young age, so males and females should be housed separately to prevent pregnancies.

Male rabbits, especially the dwarf varieties, may become aggressive when they reach sexual maturity and may exhibit excessive biting and spraying of urine.

Unaltered male cat spraying is triggered by hormonal changes when Tom reaches sexual maturity.

In more detail, both male and female kittens can reach sexual maturity between four and six months, so it is entirely possible a kitten could impregnate his mother.

Male cats reach sexual maturity (puberty) around the age of five months.

Female guinea pigs reach sexual maturity at four to five weeks old and males at eight to nine weeks.

As the male acquires sexual maturity and the testicles start producing testosterone, the prostate gland increases in size and reaches peak secretory function by about 4 years of age.

It's best to neuter males before they reach sexual maturity and before they start spraying.

Unneutered males usually start spraying or «marking their territory» when they reach sexual maturity (about 6 months).

As a male reaches full physical and sexual maturity, he becomes more and more protective of what he considers «his» territory.

He is probably a stray — what typically happens is that someone had him as a kitten but they didn't get him neutered, as he got older and reached sexual maturity he became less interested in being a homely pet and instead began to roam further afield in search of female cats or to take part in territory battles with other unneutered male cats.

In other words, we as veterinarians stand a better chance of preventing male dog behavioral problems when neutering is performed prior to the pet reaching sexual maturity.

Screening is initiated, therefore, once healthy dogs and bitches have reached sexual maturity (between 10 - 14 months in males and during the first anestrus period for females following their maiden heat).

The Reproductive Cycle of the Male Dog Male dogs, like bitches, reach sexual maturity at varying ages, depending on the size and breed of the dog.

Since neutering eliminates the instinctual need for urine marking in males and pregnancy in females, it is advisable to spay or neuter a puppy before they reach sexual maturity at six months of age.

Male guinea pigs, also known as boars, can reach sexual maturity at the age of just 3 months.

Mating and Life Cycle Females reach sexual maturity at 7 - 9 years and males around 10 years.