PHẠm văn tiềM ĐÁnh giá chọn lọc bò ĐỰc giống holstein friesian ở việt nam

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HF-290	HF-291
HF-292	HF-293
HF-294	HF-295
HF- 296	HF-297
HF 298	HF 299
HF 2100	HF 2101
HF 2102	HF 2103
HF 2104	Chuồng nuôi bò đực HF
Giá chờ khai thác tinh	Khai thác tinh

Đánh giá hoạt lực tinh trùng	Đánh giá kỳ hình,tỷ lệ tinh trùng sống chết
Đánh giá nồng độ tinh trùng	Môi trường pha loãng tinh
Pha loãng tinh dịch	In nhãn mác lên cọng rạ
Nạp-hàn cọng rạ	Cân bằng tinh CR
Đông lạnh tinh	Bảo quản tinh
4. Một số hình ảnh về triển khai đề tài luận án tại Mộc Châu và Đức Trọng

Bảng 1 : Nhu cầu dinh dưỡng của bò đực giống sữa sản xuất tinh

Theo ( N.R.C- 1988)

KL bò (kg)	Tăng trọng ngày (g)	Nhu cầu dinh dưỡng
		Vật chất khô(kg)	Protein thô(g)	Năng lượng trao đổi (Mcal)	Ca(g)	P(g)	Vit A 1000UI	Vit D 1000UI
300	1.000	7,4	862	18,7	27	20	13	1980
400	1.000	9,0	947	22,9	29	23	17	2640
500	900	10,0	923	25,6	29	23	21	3300
600	700	10,8	988	26,6	29	23	25	3960
700	500	11,4	998	26,9	30	23	30	4620
800	300	12,0	1040	26,4	30	23	34	2580
900	-	12,1	1017	24,8	31	23	38	-
1000	-	13,1	1093	26,9	34	25	12	-
1100	-	14,1	1169	28,8	36	27	47	-
1200	-	15,4	1244	30,8	39	29	51	-
1300	-	16,0	1316	32,7	41	31	55	-

6- Chế độ nuôi dưỡng bò bò cái sữa HF

Bảng 2 : Nhu cầu dinh dưỡng cho duy trì ở bò cái trưởng thành