Pregnancy detection and monitoring in cattle via combined foetus electrocardiogram and phonocardiogram signal processing

Table 1 Study 1 result

Cow ID (HEARD System records)	Pregnant [P]; Not Pregnant [NP] manual palpation / farm record	Foetus age (farm record confirmed by palpation)	Average (1 minute) maternal HR [bpm]	Average (1 minute) foetus HR [bpm]	fHR/mHR
Sub_01_1209	P	25 weeks	70	156	2.23
Sub_02_1209	P	22 weeks	66	155	2.36
Sub_03_1209	P	24 weeks	78	148	1.89
Sub_04_1209	P	28 weeks	56	143	2.55
Sub_05_1209	P	6 weeks	75	168 (PPG not detectable)	2.25
Sub_06_1209	P	26 weeks	62	143	2.30
Sub_01_0508	P	20 weeks	71	150	2.10
Sub_02_0508	P	16 weeks	64	122	1.90
Sub_03_0508	P	32 weeks	68	110	1.62
Sub_01_0909	P	12 weeks	81	158 (PPG not detectable)	1.95

ISSN: 1746-6148