300 likes | 497 Views
The nine month. Story. The cows reproductive tract. Uterine Horns. Ovary. Cervix. Vagina. Heat detection of a cow is important. Cow stands to be mounted for another. Follicle produced by FSH. This follicle will soon rupture(ovulation) with the help of LH. Heat chart.
E N D
The nine month Story
Uterine Horns Ovary Cervix Vagina
Heat detection of a cow is important • Cow stands to be mounted for another
This follicle will soon rupture(ovulation) with the help of LH
Artificial Insemination should occur 12 hours after noticeable heat.
CL (Corpus Luteum) takes the place of the follicle. The CL produces the hormone progesterone.
30 days- 1 month • 2/5”- PEA SIZE • HEAD & LIMB BUDS RECOGNIZABLE • PLACENTA NOT ATTACHED
60 DAYS - 2MONTHS • 6-7.5 CM • 21/2-3IN • CLAW BUDS AND SMALL SCROTUM RECOGNIZABLE, PALATE, AND STERNUM CLOSED, PLACENTA ATTACHED AND LENS-SIZED COTYLEDONS PRESENT.
13-17CM 5-61/2 INCHES RAT SIZE FINE HAIR ON EYEBROWS CLAWS DEVELOPED YELLOW COLORED EPITHELIAL PLAQUES PRESENT ON AMNION HORN PITS PRESENT 90 days- 3 months
12.5-18cm 5-7in small cat size find hair on eyebrow claws develop horn pits 120 days
18-23cm 7-9in large cat size hair on eyebrow and lips 150 days
40-60 cm (15-24 in ) hair on inside of the ear, around the horn pits tip of tail, & muzzle. 180 days
55-75 cm (22-30 in ) long hair on tip of tail Hair on the metatarsal, metacarpal and phalangeal region 210 days
60-85 cm ( 24-34 in ) Fine short hair all over the body Incisor teeth not erupted 240 days
70-100 cm (28-40 in ) Hair coat complete incisor teeth erupted 270 days
Gestation Period for Cattle 283 Days