Evaluation of Two Estrus Synchronization Protocols on Estrus Response, Conception, and the Kidding Rate during Lower Breeding Season for Abergele Goat in Northern Ethiopia

Table 2

Effect of parity and BCS on the onset of estrus (LSM±SE) and the duration of estrus (LSM±SE) of Abergele goats synchronized with PGF2α and PMSG protocols.

Protocol	Variables	N	Onset of estrus (LSM±SE)	Estrus duration (LSM ± SE)
PGF2α	Parity		Ns
	2	17	9.2 ± 1.0	38.9 ± 2.0^b
	3	16	10.2 ± 0.6	46.8 ± 1.1^a
	4	11	11.0 ± 1.1	40.0 ± 2.7^b
	BCS		Ns	Ns
	2.5	36	10.6 ± 0.5	40.8 ± 1.3
	3	7	10.8 ± 1.8	37.9 ± 3.6
	3.5	1	8.9 ± 0.0	47.0 ± 0.0
	Overall		10.5 ± 0.5	40.6 ± 1.2
	CV		34	18
PMSG	Parity		Ns	Ns
	1	9	9.4 ± 1.2	41.2 ± 2.3
	2	13	9.0 ± 0.7	37.7 ± 2.4
	3	2	6.6 ± 2.0	34.8 ± 2.0
	BCS		Ns	Ns
	2.5	18	7.7 ± 0.7	37.1 ± 1.9
	3	4	8.0 ± 1.9	42.5 ± 3.0
	3.5	2	9.3 ± 2.0	34.1 ± 2.0
	Overall		8.5 ± 0.6	38 ± 1.6
	CV		39	20

where PMSG = pregnant mare serum gonadotropin hormone, PGF2α = prostaglandin f2α, N = total population, LSM = least square means, and SE = standard error,  = .