le rf re, > By Ye = = ~~ aes % ad aT — Sar i. | at . Ta) sf t: . Ro Las : ~~. FN == as | | eS -~ o-«> ‘A ou, _— oi | ee | _ Se 7 a” — 4 —— fi Fer SS “x hoa BF. at vs ay eg So - ~ eh = \ ee tS =< _ — r- “4 oo Mm, =" —* rm tt Fhe a a 2 a el te Growth of Senepol-sired Calves at Zulia, Venezuela Animal Genetics School of Veterinary Sciences The University of Zulia William Isea Villasmil Rafael Maria Roman Bravo Yenen Villasmil Ontiveros Jose A. Aranguren Mendez S 8 2 ai do wD oy ae MAR CARIBE MAR CARIBE . ape ¢ =) Asuncién es ae we Ses. ory Valen - Cumana. a lt J ta ieee oss — a ae OCEANO Lago de ot ». wa heen 7 fu - } Cart + ATLANTICO & r ian ee b i\ ae — 7 Ve & “¥ & ww ~ ay gj b de = Ue a) ~— a 7. Se 4) os Be: MA Noss or (ele os ih a a hd a ee“ ~~ ¢ Judah mj as ein e ig Li sal P P a —_ EX po) ro ini yo by TRE “GUAYANE = ae pe /ESEQUIBA Hi —— : 7 “a “a 3 \ e DN Ail yo Rodlapiasiop ~ 3 oe Fe © at } " MAPA FISICO, RELIEVE E HIDROGRAFIA "h it a st = DE VENEZUELA DD, a 3 ~S ee hi eo a 5.000 La as Daw SP 2.000 “] 1.000 ees ch 250 = |) mS i 100 . « a, Le ad _ Metros sobre el nivel del mar 4 — — GOLFO DE VENEZUELA } | et | ae Pade: nte Padilla Tata Mara oS sey = FALCON ae oe et ih a. 7 det Ge Embaise Jesus Enrique Losadsa Ma: Maricora an Concepciéne Fay = SamFrancisco idn } Rosario + per ja Canada Cab < ce de Urdaneta rte ina Lagunilla a3, Simon Bo N Cuda OS Val ore, Rodrigue Machiques ee 12. jachaquera S N Machiques de Perija LAGO jaralt DE MARACAIBO =" "¢ SS TRUJILLO ey Jesus Marla Fi el: at, Semprun Francisco Javie San Carlos PUTS: del Zulia Sucre Pueblo Nu {El Chive Casigua’ Le Colén EI Cubo il MERIDA TACHIRA ESTADO ZULIA SAN PEDRO S A N P E D R O P I L O T F A R M Objectives To investigate the combining ability of Senepol for growth when bred to Bos taurus dairy cows. To estimate the productivity of the crossbred dam. To demonstrate the effects of farm and the sire*farm interaction on calf growth. Farms, tropical climate, and calf nursing San Pedro: sub-humid, 6-month suckling Yapacana: very dry, 8-month suckling El Rincon: dry, 6-month suckling Puerto Nuevo: dry, 8-month suckling ie 2 os ee, ~~ ', a. - -* « -. % “ ae wa + +! a trembe Aldine = ee * - ~_ = Re, rere), ~~ > po cad & ! “ mm 2 ‘oy i ng —” 5) aay ." pont «> S a c te he? >* ie ~~ ¥ vated be “ae i a ta 2G eRe - Lied = a +. < - od o - o Mathematical model Birth, weaning and yearling weights, and ADG adjusted at 205-d and 365-d = General mean + Farm + Dam’s breed of sire + Sire + Sire*Farm + Calf sex + Cow age + Hair color of calf + Random error ANOVA FOR GROWTH TRAITS OF THE CALF ADJUSTED AT 205-d AND 365-d SOURCE d of f 205-d wt 205-d ADG 365-d wt 365-d ADG Farm 3 P<0.001 P<0.001 P<0.001 P<0.001 Dam’s breed of Sire 6 Sire 5 P<0.05 P<0.05 Sire * Farm 15 P<0.05 P<0.01 Calf sex 1 P<0.05 P<0.05 Calf color 2 P<0.05 Cow age 1 Residual 151 28% 10% 16% 10% 10% 26% SIRE’S PROGENY SE-07A CN-5562 WC-947 RAB-125 CRSC-23F CN-5664 oh eas | ‘4 ? S —_ s -—* eee “+ 4» — ? a a z « c y _ - |= e's. j 4 ee &, Re qe man. >» * eS Sn a ae ee x 2 ee aad Sa 2 Me 2: fF "er oe ~ = a =e ts “Se : te aoa oa i aes oS ~~ a : “Se La. Ya = > * —= ale a * —— ~~ > -. — -— a Cac! tie ae ee —— _— — a =—* +2" nd a —~“-* bpd a #: ~~ ‘* on - —_. < ra ees a dope paed a i rT Yom fn >i ae iA = af Ate AT ye ed va ot Mg *t ‘ —_ Bid) § t< qi iS Po] cae, Si & ‘<0 ae a" Uf; it , ales et eZ a ¥ Bok p cacy 9% 29% 25% 9% 10% 4% 14% Brahman [B] Holstein [H] [H x B] [H] x Criollo Swiss x [B] Senepol Swiss DAM’S BREED OF SIRE PROGENY Ee wr zy ot: pa 1G ae ~ = vey Fig -=s a y C475 var aa oo \ > Boise Fe Ree “s at ae air nt a€ Be oy ae ’- EY fe nae ay lee —. it a os = robe -- a= —_ ree nom a. = — Haw ~—_o we = eh ate m=. 5 ~~ et —_ a = are he = rp a th rs Frc a pe a Sr Se a = a Bs Te Fo aes a eo 2m Se me te. 3 oe Mage te ne ron gi’ Yak 7 oe, a = rs re 2, ars te vow —_2 ere wm" pl ly i ¢ it} i, | Hy = Mt my vie 3,4, me bw LA ie 2 St, him at 4 ¥ BY eS Ade t 28 Ae ay Po} ak det at Sy Men ey ars vif hee Lyne i Big vel ey pis. ip gi =" ¥ =~ BAL, eng fe al Bee eae Sak wt oe &S oe te, =4 et eae . « rm nt A ~e ai! Z4 OP ete e whe Dik a . a 7 =] gn; TiN i i= Se Ste > My Se: 3 a % = ae he Chen | Tes be I — hey ~ wes 44 a: = == yy ge, Na ~ RTH a ¥- - eee F, is S. — a=. a peer am Oe 1 Aj a. Whi aw Ye I See = jo : az -_ = J —— — ” <— a = 9. Lats Vt = -— a an aie = =. ae oy wire eet ss * at © ae z = “e i ‘a » Lye) aS. an GROWTH TRAITS BY FARM FARM 205-d wt kg 205-d ADG kg/d 365-d wt kg 365-d ADG kg/d El Rincon 121.0 4.6a 0.446 0.022a 173.7 6.9 0.317 0.042 Puerto Nuevo 141.7 6.0 0.541 0.029 251.1 8.7a 0.668 0.053a San Pedro 104.4 2.9 0.363 0.014 197.5 4.8 0.592 0.029a Yapacana 119.2 5.1a 0.431 0.025a 263.0 7.6a 0.886 0.046 aMeans without letter differ (P<0.01). ADJUSTED WEIGHTS BY SIRE BREED OF DAM 0 50 100 150 200 250 BR HO HO x BR HO x CR SW x BR SE SW 205-d wt, kg 365-d wt, kg CALF WEIGHTS BY SIRE 0 50 100 150 200 250 BWT WWT YWT Kg SE07A CN5562 WC947 RAB125 CRSC23F CN5664 AVERAGE DAILY GAINS BY SIRE 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 205-D ADG 365-D ADG SE07A CN5562 WC947 RAB125 CRSC23F CN5664 Kg/d 0 0.5 1 1.5 El Rincon Puerto Nuevo San Pedro Yapacana CN5664 CRSC23F RAB125 WC947 CN5562 SE07A YEARLING AVERAGE DAILY GAIN BY SIRE*FARM INTERACTION KG / D GROWTH TRAITS BY SEX SEX 205-d wt, kg 205-d ADG, kg/d 365-d wt, kg 365-d ADG, kg/d Female 119.2 3.2 0.435  0.016 216.2 4.9a 0.596  0.030a Male 123.9 3.3 0.456  0.016 226.4 5.1 0.635  0.031 aP < 0.05. 205 210 215 220 225 230 YEARLING WEIGHT BY HAIR COLOR OF THE CALF KG WEANING RATE AND WEIGHT, AND PRODUCTIVITY OF THE COW1 BY FARM FARM Weaning rate % Weaning weight kg Cow productivity Difference % El Rincon 92.8 133.7 124.1 -7.2 Puerto Nuevo 41.5 152.5 63.3 -58.5 San Pedro 88.4 112.6 99.5 -11.7 Yapacana 52.2 125.0 65.3 -47.7 1PCF = kg of calf weaned per cow exposed; weaning rate = pregnancy rate x survival rate = ee “- 23 + RS = ee a «- 6. 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