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Non-genetic factors influence reproductive performance of
      Nguni cattle ecotypes in Southern Mozambique

                                                         Introduction                                                                                                                                                                                 Conclusion
Landim and Nguni belong to the Sanga cattle group raised                                                                                                                                                         The two Nguni ecotypes in this study adapted
for beef on natural grass, with some supplementation in                                                                                                                                                          well to the PFI environment and could be
Southern Africa. Improved Nguni & Landim catte were                                                                                                                                                              used for development and restocking
introduced in Posto Fomento Impaputo (PFI), Mozambique,                                                                                                                                                          programmes within Southern Africa.
in 1996 and their interactions within the environment
studied



                                                                                                                                 Study Population and Environment
                                                                                                            Animals originated from high potential 
                                                                                                             areas of Chobela and South Africa
                                                                                                            PFI is a semi-arid region with sub-tropical
                                                                                                             climate in Maputo province
                                                                                                            2046 individual animals raised in PFI from
                                                                                                           1996-2009 were evaluated


                Nguni cow 1995 from South Africa at the PF I                                                                                                                                                                                  Landim bull 2004 from PFI

                                                                                         Observed differences in Age at first calving (AFC) and
                                                                                          Calving Intervals (CI) for Nguni and Landim cows

                                                                                                          Ecotypes                                     AFC (days)                                      CI (days)
                                                                                                                                                                                                                                 Heifers born in the dry season
                                                                                                      Nguni                                           1086.02 ± 29.75                            434.75 ± 6.15                   born tended to calve at an
                                                                                                      Landim                                          1002.09 ± 24.43                            446.34 ±8.88                    earlier age than those born in
                                                                                                                                                                                                                                 the wet season
                                                                                                      Source of original animals
                                                                                                                                                                                                                                 Heifers born at PFI had a
                                                                                                      PFI                                             969.82 ±16.64                              430.95 ± 9.08
                                                                                                                                                                                                                                 lower AFC and CI than those
                                                                                                      South Africa                                    1057.15 ± 36.84                            450.63 ± 7.24                   born in Chobela and South
                                                                                                      Chobela                                         1105.19 ± 45.39                            440.06 ± 6.49                   Africa



                                                       Reproductive performance of the two ecotypes in different seasons over time
                                     1450	
                                                                                                                                                  650	
  
                                                            Overall mean =1070.50 ± 164.45                                                                                                                        Overall mean = 432.39 ± 85.41
                                     1350	
                                                                                                                                                  600	
  

                                     1250	
                                                                                                                                                  550	
  
                                     1150	
  
                 AFC	
  (days)	
  




                                                                                                                                                                                             500	
  
                                                                                                                                                                          CI	
  (days)	
  




                                     1050	
  
                                                                                                                                                                                             450	
  
                                      950	
  
                                                                                                                                                                                             400	
  
                                      850	
                                                                                                                                                                                                                          Dry	
  season	
  (May	
  -­‐	
  Sept)	
  
                                                                                                                                                                                             350	
                                                                   LANDIM	
  
                                                                                                          Dry	
  Season	
  (May	
  -­‐	
  Sept)	
                                                                                                                    Dry	
  season	
  (May	
  -­‐	
  Sept)	
  
                                      750	
  
                                                                                                                                                                                                                                                                     NGUNI	
  
                                      650	
  
                                                                                                          Wet	
  Season	
  (Oct	
  -­‐	
  Apr)	
                                             300	
                                                                   Rainy	
  (Oct-­‐Apr)	
  LANDIM	
  

                                                                                                                                                                                                                                                                     Rainy	
  (Oct-­‐Apr)	
  NGUNI	
  
                                      550	
                                                                                                                                                  250	
  
                                           1994	
     1996	
     1998	
       2000	
           2002	
     2004	
                2006	
                                                            1998	
     2000	
      2002	
            2004	
      2006	
     2008	
  
                                                                            Year	
  of	
  Birth	
                                                                                                                       Year	
  of	
  Calving	
  

                                                 Age at first calving in dry and wet seasons                                                                            Calving intervals in dry and wet seasons for the Landim and Nguni




                                       The        good
                                                     news is …
                                                                                                                                                                                                                             And the                  not so good
                                                                                                                                                                                                                                                              news is…
                                                                                                                                                                                                                                                                                                                 April 2010




                                                                                                                                                                                                                             water availability is a constraint!
                                       the Landim and the Nguni ecotypes reproduce
                                       efficiently!

S. Maciel1, J. Amimo2, M. Martins3, A.M. Okeyo2, S. Moyo2, M.M. Scholtz1 and F. Neser1
1 Department of Animal Wildlife and Grassland Sciences - U. of the Free State (Bloemfontein, South Africa), 2International

Livestock Research Institute, Biotechnology (Nairobi, Kenya), 3Reprodutores de Moçambique, Lda (Maputo, Mozambique)


Ackowledgements: AWARD, ILRI, PFI managers, REMOC Ltd

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Non-genetic factors influence reproductive performance of Nguni cattle ecotypes in Southern Mozambique

  • 1. Non-genetic factors influence reproductive performance of Nguni cattle ecotypes in Southern Mozambique Introduction Conclusion Landim and Nguni belong to the Sanga cattle group raised The two Nguni ecotypes in this study adapted for beef on natural grass, with some supplementation in well to the PFI environment and could be Southern Africa. Improved Nguni & Landim catte were used for development and restocking introduced in Posto Fomento Impaputo (PFI), Mozambique, programmes within Southern Africa. in 1996 and their interactions within the environment studied Study Population and Environment   Animals originated from high potential areas of Chobela and South Africa   PFI is a semi-arid region with sub-tropical climate in Maputo province   2046 individual animals raised in PFI from 1996-2009 were evaluated Nguni cow 1995 from South Africa at the PF I Landim bull 2004 from PFI Observed differences in Age at first calving (AFC) and Calving Intervals (CI) for Nguni and Landim cows Ecotypes AFC (days) CI (days) Heifers born in the dry season Nguni 1086.02 ± 29.75 434.75 ± 6.15 born tended to calve at an Landim 1002.09 ± 24.43 446.34 ±8.88 earlier age than those born in the wet season Source of original animals Heifers born at PFI had a PFI 969.82 ±16.64 430.95 ± 9.08 lower AFC and CI than those South Africa 1057.15 ± 36.84 450.63 ± 7.24 born in Chobela and South Chobela 1105.19 ± 45.39 440.06 ± 6.49 Africa Reproductive performance of the two ecotypes in different seasons over time 1450   650   Overall mean =1070.50 ± 164.45 Overall mean = 432.39 ± 85.41 1350   600   1250   550   1150   AFC  (days)   500   CI  (days)   1050   450   950   400   850   Dry  season  (May  -­‐  Sept)   350   LANDIM   Dry  Season  (May  -­‐  Sept)   Dry  season  (May  -­‐  Sept)   750   NGUNI   650   Wet  Season  (Oct  -­‐  Apr)   300   Rainy  (Oct-­‐Apr)  LANDIM   Rainy  (Oct-­‐Apr)  NGUNI   550   250   1994   1996   1998   2000   2002   2004   2006   1998   2000   2002   2004   2006   2008   Year  of  Birth   Year  of  Calving   Age at first calving in dry and wet seasons Calving intervals in dry and wet seasons for the Landim and Nguni The good news is … And the not so good news is… April 2010 water availability is a constraint! the Landim and the Nguni ecotypes reproduce efficiently! S. Maciel1, J. Amimo2, M. Martins3, A.M. Okeyo2, S. Moyo2, M.M. Scholtz1 and F. Neser1 1 Department of Animal Wildlife and Grassland Sciences - U. of the Free State (Bloemfontein, South Africa), 2International Livestock Research Institute, Biotechnology (Nairobi, Kenya), 3Reprodutores de Moçambique, Lda (Maputo, Mozambique) Ackowledgements: AWARD, ILRI, PFI managers, REMOC Ltd