VMD 513: Pet animal Breeding, Management, Nutrition and Health Care (1+1)

BREEDING GUIDE TO BITCH

Sl. No.	Average Values of Breeding Behaviour	Bitch
1	Age at puberty	6-12 months
2	Age at breeding	12-18 months
3	Type of oestrous cycle	Monoestrus (but usually 2 oestrous cycles per year)
4	Length of oestrous cycle	6 months
5	Length of oestrus (heat)	6-13 days
6	Gestation period	55-75 days (63 days)
7	Time of ovulation	48-60 hours after the receptive phase
8	Proper time of AI	2-3 days after onset of true oestrus
9	Breeding season	Biannual: August to September, February to March
10	Return of heat after parturition	16-20 weeks
11	Recurrence after non-conception	Twice yearly
12	Age of weaning	4-6 weeks
13	Time of fertilized ova entering uterus	5-6 days post-coitus
14	Time of implantation begins	15 days post-coitus
15	Type of placenta	Endotheliochorial
16	Expulsion of placenta	Immediately after each foetus
17	Average no. of pups born	4-8 pups
18	Birth weight	65-500g
19	Breeding span	7-8 years
20	Life span	10-15 years (Record is 32 years)