VIEN CHAN NUOI — Top chi Khoa hoc Ciing nghe Chan nuoi — SO 85 Thang 32018 CHQN LQC DAN HAT NHAN GA HAC PHONG Phpm Ging Thaw Nguyin Viet Nguyen3, Derang Trer Nguyin Quyit Tiding, Vein Thi Chib2, va.Ngay nay ding vori vi6c phat trien chan nuoi cac gi6ng gia cam c6 nang suat cao nhu ga sieu thit, sieu trung, vi6c nghien dru chon 19c cac gi6ng ga ban dia quy hi6m dac san cling da dugc trien khai va nuoi thir nghi6m. Chan nuoi cac giong ga xuang den, thit den la mat trong nhang htrang di nhu vay. Ga Hac Phong la gi6ng ga ban dia. Vi6t Nam thuOc nhom ga co da den, thit den va xuang den, chat luang thit thorn ngon, thit it mo. Cling nhu ga Hmong, ga Ac Thai Hoa, ga Hac Phong lac ngtrai tieu diing biet den nhu mot giong ga thuoc de chlra tri mot so b6nh trong y hoc va boi clueing dire khoe cho nguai gia, phij nu sau khi sinh de; Chinh vi vay ma nhu cau loaf thit ga nay ngay tang tang va do vay nhu cau chan nuoi ga. Hac Phong tang dugc ma. Ong. Vin Chan nuoi duce BO Khoa hoc va Cong ngh6 phe duy6t thuc hi6n nhi6rn vu Khai that va phat trien nguon gen ga Hac Phong va ga To. Thuc hi6n tit nam 2014 den thang 62018 nham chon 19c nhan thuan tao dan hat nhan ga Hac Phong de san xuat con gi6ng cung cap cho nhu cau san xuat chan nuoi la mot huang di dung va can thiet. Muc tieu: Ch9n 19c dtiac dan hat nhan ga Hac Phong quy mo 200 mai c6 d4c di6m ngoai hinh dac trung cua giong; rang suat trung 148153 quamainam; tST 16 phoi 9092% va tif naltrimg co phoi 8488%.
VIEN CHAN NUOI — Top chi Khoa hoc Ciing nghe Chan nuoi — SO 85 Thang 3/2018 CHQN LQC DAN HAT NHAN GA HAC PHONG Nguyin Quyit Tiding', Vein Thi Chib2, Phpm Ging Thaw Nguyin Viet Nguyen3, Derang Trer va Dinh Tr9ng2, Mai Thu Herang2, Nguyin Van Duy2, Le Thi Binh' va Plipm Hai Ninh' Vien Chan Nal; 2Trung tam Nghien cuu \fit D i Xuyen; 3So• Nong nghiep va PTNT Thanh Hoi; 4Trung tam Nghien ctim va MIR trien chart nuoi Mien Trung Tac gia lien 4: Pham Cong Thieu; Dien thoai: 0912244149; Email: phamcongthieu64@gmail.com ABSTRACT Selection of nuclear herd of Hac Phong chickens The objective of this study was selection of Hac Phong chicken The experiment was done in the Dai Xuyen Duck Research Centre through generations The results showed that the Hac Phong chickens have black feathers, black meat, black bones, black viscera (organs) and toes, of which the last toe was feathered The female chicken had a pea comb and a feather on the top of their head, The male chicken had both the pea and single comb, black wattle, with tail feather that were a mixture of dark blue and black, together with a large front plumage coloured dark black The body weight of male chicken at weeks of age reached from 776.69 g to779.66 g; The females attained between 674.87 and 679.25 g At 19 weeks of age, the males reached between 1486.66g and 1511.66g, while the females attained between 1218.25g and 1231.50 g The egg yields were from 150.19 to 152.65 eggs at 72 weeks of age, equivalent to a laying rate of 41.26-41.94% The feed consumption was 2.39 to 2.46 kg/ 10 eggs The egg weight were between 44.29 and 44.97g The hatching rate of fertile eggs was from 88.22 to 90.02% The hatching rate of type chicken /incubated eggs was between 77.13 and 78.60% Key words: Hac Phong chicken chicken selection, chicken productivity DAT VAN BE Ngay ding vori vi6c phat trien chan nuoi cac gi6ng gia cam c6 nang suat cao nhu ga sieu thit, sieu trung, vi6c nghien dru chon 19c cac gi6ng ga ban dia quy hi6m dac san cling da dugc trien khai va nuoi thir nghi6m Chan nuoi cac giong ga xuang den, thit den la mat nhang htrang di nhu vay Ga Hac Phong la gi6ng ga ban dia Vi6t Nam thuOc nhom ga co da den, thit den va xuang den, chat luang thit thorn ngon, thit it mo Cling nhu ga H'mong, ga Ac Thai Hoa, ga Hac Phong &lac ngtrai tieu diing biet den nhu mot giong ga thuoc de chlra tri mot so b6nh y hoc va boi clueing dire khoe cho nguai gia, phij nu sau sinh de; Chinh vi vay ma nhu cau loaf thit ga tang tang va vay nhu cau chan nuoi ga Hac Phong tang dugc ma Ong Vin Chan nuoi duce BO Khoa hoc va Cong ngh6 phe duy6t thuc hi6n nhi6rn vu "Khai that va phat trien nguon gen ga Hac Phong va ga To" Thuc hi6n tit nam 2014 den thang 6/2018 nham chon 19c nhan thuan tao dan hat nhan ga Hac Phong de san xuat gi6ng cung cap cho nhu cau san xuat chan nuoi la mot huang di dung va can thiet Muc tieu: Ch9n 19c dtiac dan hat nhan ga Hac Phong quy mo 200 mai c6 d4c di6m ngoai hinh dac trung cua giong; rang suat trung 148-153 qua/mai/nam; tST 16 phoi 90-92% va tif naltrimg co phoi 84-88% VAT LIEU VA PHVONG PHAP NGHIEN CeU V4t lieu, dia diem va thiri gian nghien cu•u Dan ga 1-15.c Phong the 116 xuat phat c6 ngu6n goc tit Trung tam Chuyen giao TBKT Wing lam nghi6p Quang Ninh va cac the 116 va tai Trung tam Nghien cfru Vit Dai Xuyen - Vin Chan nuoi, tit thang 10/ 2014 den thang 9/2017 37 PHAM CONG THIEU Cho,: loc clan hot nhtin ga litic Phong NOi dung nghien eau Xac dinh mgt s6 dL diem ngoai hinh cita ga HL Phong Danh gia kha nang san xuat cua ga HL Phong qua cac the he chqn lqc (sinh throng, sinh Phtrung phap nghien cult Nhan thuan ma rOrsig quan ,the theo phuang phap ngau giao theo nh6m va ghep luan chuyen tong de giam sg (tong huyet (sa chqn lqc nhu sau): Ap thay the dan, chqn lqc ga 01 tuoi ► Dan hat nhan 38 tuan tan Chqn a hau bi tuan tuoi Chqn lqc ga dung de 19 tuan Wed Ap dung chqn lqc d6ng boat dm Nguyen Van Thien va Tran Dinh Mien (1995), nh6m tinh trang ducic chqn lqc chinh la sinh true:mg (kh8i lining ca the) Ve khoi luang Ca the: (5 thin diem 56 tuoi (8 tuan tuoi) ga duac chqn lqc theo kh6i lacing ca the khoang >20% a ga va 50-60% a ga mai, duqc chqn lqc len giai doan doNu bi th6i diem 133 tuoi (19 tuan tad) ga dugc chqn tiep theo ve khoi lacing co the: Ga c6 kh6i lacing co the pham vi (Mean ± Ga mai co khoi lacing ca the pham vi (Mean ± 2a) Ve mau da: Loai b6 nhiing ga c6 da tang, chan trang, chan lchong non (neu co) DL diem ngoai hinh: Sir dung phuong phap quan sat true quan nham tao duac dan ga mang dL diem ngoai hinh CI4C cua giong Do v'dy viec chqn lqc dira vao d4c diem ngoai hinh se la quan trqng nhat Chqn lqc ve mau sac long, kieu mao, mau da, chan, mo cac th6i diem 01 tuoi, tuan tuoi va 19 tuan tan qua cac the he xuat phat, the he va Chi cIP chain sac, nuoi dwang Ga ducyc nuoi dieu kien chung trai thong thoang to nhien, nuoi nen dem 16t trau Che dO cham s6c, nuoi dieing va ve sinh thu y phong benh theo quy trinh cua Trung tam Nghien ciru Vit Dai Xuyen (the hien tai Bang 1) Bang Gia tri dinh throng va quy trinh chain s6c Chi tieu ME (Kcal/kg thirc an) Protein the, % Canxi (%) Photphos tong so (%) Kat dO nuoi (con/m2) TS/ le trong/mai (%) Che dO an Che dO chieu sang 38 Giai doan (tuan tuoi) 0-4 5-8 9-19 2950 2850 2750 21,0 18,0 14,5 0,95 1,45 1,43 0,70 0,74 0,63 15-20 10-15 6-10 Nuoi chung Nu8i chung Tach rieng Ty Tu Han the Den stroi + anh Den wad + anh Anh sang tu sang tir nhien sang to nhien nhien 20-72 2700 17,0 3,4 0,70 3-5 1/7-1/8 Theo tS, le de 16 gieringay VIN CHAN NUN — Top chi Khoa hQc Cong nghe Chan nu6i — SO 85 Thing 3/2018 Cdc chi lieu theo doi Hac ditm ngoai hinh (mau sic long, da, mao, tich, chin, m6, kich thu6c m6t s6 chieu ca the) TS, le nuoi sting, khoi ltrang ca the, tuii de, tS, le de, nang suit trirng, khao sat m6t s6 chi tieu chit luang trtIng, tieu ton thirc an/10 qua trong; tSr le phoi va ket qua ip na, v.v Phirong phap xir 15, so ligu S6 lieu thu ducyc xir 15, theo phuang pita') th6ng ke sinh h9c teen may vi tinh bang phin mem Minitab 16 va chucmg trinh Microsoft Excel 2007 va SAS (1993) tai Trung tam Nghien ciru Vit Hai Xuyen KET QUA VA THAO LUAN DOc diem ngoai hinh va kich thterc mOt so chieu co the flat clijm ngogi hinh cua ga 1-1Oc Phong dein hgt nhan Qua quan sat the he dan hat nhan ga Hic Phong co ngoai hinh ding nhit, dac diem ngoai hinh ga Hac Phong kw 01 tuoi, 08 tuan tad va 19 tuan tuoi the hien tai Bang Bang Dac diem ngoai hinh ga Hie Phong qua the he Giai loan 01 tu6i (n=4500 con) 08 tuan tu6i (n=4339 con) 19 tuan tu6i (n=1564 con) Tring Mai Ga mau long den ding nhit, than hinh nho, clang nhanh nhen, chin va mo den xam, chin sau ng6n va c6 hang long MQC a ngem ngoai cimg (khac hin vii ga Ac, ga Thai Hoa long mau tang nga, chin ngon (ngu trio) Co long xuac, mau den tuyen, tam v6c lin him ga mai, ding nhanh nhcn, da den, thit den, xuang den Co long xuac mau den tuyen, tam v6c nhe, ding di nhanh !then, da den, thit den, xtrcmg den Ga c6 hai kieu mao (mao co va mao nu), mao ca 43,39%, mao nu 56,61%, mao, tich c6 mau den tim sam, long duoi xanh den, yem phat trien c6 mau den sAm Mao nu, clau co chain long mau den dinh &Au (gi6ng ga Ac, ga Thai Hoa) Qua the he theo dai, dan ga Hic Phong c6 dac diem ngoai hinh 6n dinh, khong c6 phan ly a tat ca cac giai dog' Dieu khang dinh quan the dan ga Hac Phong c6 ngoai hinh dung that eat c6 lai the chin 19c nhan thuan Kich thwerc mat so chiL ca the ga Hcic Phong dan hgt nhan Khao sat kich thuac m6t s6 chieu ca the ga Hic Phong tai thOi diem 19 tuan tu6i qua the he Ket qua thu dtrac the hien tai Bang 39 PRAM CONG THIEU Chon IQc clan hit nhdn gel Hdc Phong Bang Kich thu6c met s6 chieu ca the (cm) cua dan ga hat than Hac Phong lite 19 tuan tuoi (n=30) Chi tieu Dai than DAi luan V6ng ngvc Dai long canh Dai dui Cao chan Yong 6ng chan Tinh biet Mai Trong Mai Tr6ng Mai Tr6ng Mai Treng Mai Thing Mai Tiling Mai Tr6ng The he XP Mean ± SD CV (%) 13,11 ± 0,44 3,37 17,01 ± 0,84 4,94 8,67 ± 0,51 5,88 12,64± 0,42 3,35 26,17± 0,42 2,95 28,04 ± 1,04 3,71 14,26 ± 0,52 3,65 18,01 ± 0,42 2,33 11,23 ± 0,41 3,65 14,17± 0,95 6,70 8,08 ± 0,54 6,68 11,11 ± 0,59 5,31 3,49± 0,19 5,44 4,61 ± 0,17 3,69 The he Mean ± SD CV (%) 13,41 ± 1,21 9,03 17,31 ± 1,11 6,41 8,97 ± 0,83 9,25 12,94± 0,75 5,79 26,47± 1,42 5,36 28,34 ± 1,15 4,06 14,56± 0,95 6,52 18,311 0,90 4,92 11,51 ± 0,68 5,91 14,47± 0,91 6,29 8,37 ± 0,40 4,78 11,41 ± 0,45 3,94 3,69 0,20 5,42 4,79 ± 0,25 5,22 The he Mean ± SD CV (%) 13,27 ± 0,53 3,99 17,17± 0,62 3,61 8,83 ± 0,47 5,32 12,80± 0,61 4,77 26,33 1,18 4,48 28,20 ± 1,16 4,11 14,33 ± 0,70 4,88 18,17± 0,74 4,07 11,39± 0,42 3,69 14,33 ± 0,57 3,98 8,24 ± 0,95 11,53 11,27± 0,72 6,39 3,55 ± 0,42 11,83 4,72 ± 0,19 4,03 Cac s6 lieu tai Bang cho thay giira cac the he kich,thtrac met s6 chieu ca the ga Hac Phong hat nhan Wang duang Tuy vay ga Wing c6 cac so luon Ian ga mai cang th6i diem Ket qua dm chung t6i ding phit hgp v6i ket qua nghien cfru cua Pham Cong Thieu va cs (2010), tren gi6ng ga HW,, RiD va PGi; Thi Kim Cue va cs (2015),, tren dan ga M6ng, cac tac gia ,nay deu khang dinh qua cac the he kich thlr6c met so chieu ca the ga tai cang th6i diem IA khong c6 sv sai khac, giita ga tr6ng va ga mai thi c6 su sai khac Tj, 1g nuoi sing va tieu tin thirc an Theo dO'i qua the he dan hat than ga H&c Phong giai doan gA (01 tu6i -8 tuan ga de-hau bi (9-19 tuan tu6i) thu dugc ket qua the hien tai Bang Bang TS, le nuoi s6ng (%) va tieu ton thirc an (g/con) qua cac giai doan Tuan tu6i 01 tu6i - - 19 (tr6ng) - 19 (mai) The he xuat phat 93,40 95,33 94,25 The he The 14 Trung binh 92,27 95,33 94,25 94,00 94,67 93,75 93,22 95,11 94,08 Tieu ton thirc an/con/giai doan 1.642 5.870 5.389 Giai doan (01 tuoi -8 than tu6i) qua the he chgn 1Qc ga Hac Phong c6 tST le nuoi s6ng dat kha cao (92,27-94,00%); gai doan (9-19 tuan tu6i) ga tong c6 tSr le nuoi song 94,6795,33%; ga mai 93,75-94,25% Lugng thirc an tieu ton giai, doan (01 ngaytu6i -8 tuan tuoi) la 1642 g/con, trung binh ca giai doan tir (01 tuoi -19 tan tuoi) ga tong 7512g/con; ga mai 40 VleN CHAN NUN - Top chi Khoa hoc Cong nghe Chan nuoi -SO 85 Mang 3/2018 7031 g/con Ket qua ve tY 10 nuoi song cao han ga M6ng giai doan (0-8 tan tu6i) 87,7189,38% twang ducmg vori giai doan (9-19 tuan tu6i) ga tong Mon dat 93,85-96,15%; ga mai dat 91,91-95,74% (Ngo Thi Kim Ciic va cs., 2015) Ga H'mong qua the 110 chQn 19c co tS, 10 nuoi song giai doan ga con-do 114u bi 94,31-96,14% (Pham Cong Thieu va cs., 2010) thi ket qua dm chimg toi la Wang ducmg ICH tang sinh truirng qua cac the 14 Kh6i lugng ca the dan hat nhAn ga HAc Phong va 19 tan tuoi duqc trinh bay b Bang Bang Ket qua ch9n 19c lac va 19 tuAn tuoi The 110 Tan wed Dan truotc ch9n 19c (n) Khoci lugng (g/con) CV (%) Dan ch9n 19c (n) Kh6i lugng (g/con) CV (%) Ap luc ch9n 19c (%) Ly sai ch9n 19c (g) Cubing TO ch9n 19c Dan ch9n 19c (n) Kh6i lugng (g/con) CV (%) The 110 XuAt phat Mai Triing Mai Tr6ng tan tuoi The 110 Mai Trong 686 715 665 719 690 720 712,31 6,15 618,53 14,08 723,07 7,19 623,06 13,92 728,76 7,17 626,25 12,30 150 400 150 400 150 400 682,87b 5,36 55,63 59,81 1,07 779,66a 6,30 21,74 50,90 1,21 679,25b 7,62 55,56 53,00 1,23 776,67a 5,76 21,87 64,36 1,43 777,67a 674,87b 7,83 10,15 22,56 55,94 54,60 56,34 0,89 0,82 19 ta'n tuoi 30 200 30 200 30 200 1486,66a 4,99 1220,25b 7,50 1501,67a 3,65 1218,25b 3,88 1511,66a 3,65 1231,50b 4,11 Theo hang ngang nhang so trung binh mang cac chu cal khcic th1 s sai khcic giira cluing coy nghia thing ke (P0,05) Nhung giaa ga tong vai ga mai a cac the thong ke (P