This proves one to crossbreed cows are sexually alot more precocious than exotic cows ( Wassie et al

This proves one to crossbreed cows are sexually alot more precocious than exotic cows ( Wassie et al

Data extracted from the analysis of herd records were entered in Excel. The descriptive statistical analysis of the age at first calving (calculation of frequencies, means, standard deviations, minimum and maximum) was made with the XLSTAT software (6.1.9 release). These parameters were analyzed by ANOVA and the results were compared using the Newman-Keuls test. Differences were considered significant for p < 0.05.

To help you greatest comprehend the effect of new crossbreeding with the sexual precocity out-of crossbreed pet, the fresh new AFC was reviewed according to: crossbreed particular, battle off sire moms and dads (bull and you will inseminated local cattle), hybridization height and you can inventory facilities

The fresh new imply years at first calving for all types developed are ± months, representing around three years (two years eleven days 19 months ± eleven weeks twenty four hours). Many precocious heifers calved contained in this 24 months ( months). For fifty% out of heifers, very first calving is at days. The original attributes took place an average of in the ± days ( to months).

The imply AFC of one’s crossbreeds are lower than those people advertised one of the Zebu beneath the tropics during the more than 40 months stated in lots of education ( Rahman ainsi que al., 2016 ; Tellah mais aussi al., 2015a , 2015b ; Bashir and El Zubeir, 2013 ; Sokouri mais aussi al., 2010 ; Bayemi ainsi que al., 2005 ). , 2015 ). Certain people keeps reported overall performance most next to all of our observance on the additional crossbreeds in Africa, regardless of cow types included in the latest test: 34 days one of the Montbeliard crossbreeds within the Algeria ( Madani and Mouffok, 2008 ) and you may Morocco ( Srairi and Mousili, 2014 ), ± 0.43 days regarding the Girolando crossbreed inside Benin ( Doko et al., 2012 ). It was a comparable for the Holstein-Friesian crossbreed cows within the Ethiopia at 36.4 ± step 1.7 days, brand new Borgou and Lagunaire types in the 36.1 ± six.29 weeks inside the Benin ( Adamou-Ndiaye et al., 2003 ) plus in the latest Azawak Zebu in the 36.5 ± 4.10 and ± thirteen months inside Niger ( Achard and Chanono, 2006 , 1997 ).

All of our observation is more than the individuals stated by the Genzebu et al. (2016) among hybrid cows within the Kenya (twenty six.nine ± 5.4 and you may twenty-seven.0 ± 3.eight days). It was some a lot better than the fresh observations by Ngodigha et al. (2009) from ± 2.5 weeks among crossbreeds (Holstein x Bunadji) in the Nigeria, Ben Salem mais aussi al. (2009) of ± cuatro.12 months during the Holstein within the Tunisia and you may Srairi and Mousili (2014) of 29 weeks in the Montbeliard in Morocco. Some type circumstances from the AFC have been assessed in order to attain the comments.

One of many more crossbreeding types understood ( Dining table step one ), the latest Fulani Zebu (FZ) inseminated that have semen out of Montbeliard (MB x FZ) and you may Alps Brownish (Ab x FZ) possess produced more precocious corssbreeds (very first calving on two years) (5%). Whenever you are, new inseminations off Fulani Zebu cattle for the semen away from Holstein (HT x FZ) and you can regarding Tarentaise (T x FZ) then your insemination out-of Gudali Zebu cows with semen of Montbeliard (MB x GZ) possess introduced the newest precocious crossbreed cows.

Minimal is actually months additionally the maximum try weeks

Dining table step 1: Many years initially calving (months) based on crossbreeding enter in whole milk cattle facilities in your neighborhood from Bobo-Dioulasso within the Burkina Faso

The research concerned about the latest reproduction track of twenty (20) crossbreed cows as a consequence of the latest interbreeding from artificial insemination anywhere between regional reproduce cows (Gudali Zebu and you can Fulani Zebu) and you will unique reproduce bulls (Holstein, Alps Brown, Tarentaise, Montbeliard). These types of crossbreeds was created ranging from 1999 and you will 2010 and you can provided its first calf anywhere between 2002 and you may 2012 on about three improved stock farms during the metropolitan and you may suburban aspects of Bobo-Dioulasso. Each one of these facilities keeps from the fifty hybrid cows in production. The original farm is situated in a city, another 10 Kilometres aside from the southern leave together with third 60 Km away in the east log off away from Bobo-Dioulasso. Original studies ranging from throughout these elements helped to select these types of around three farms that have a cattle check in (temperatures and artificial insemination keeping track of sheets). Situations associated with personal tabs on creature breeding including calving schedules, schedules of one’s earliest heats and inseminations had been recorded daily by the fresh new cattlemen additionally the inseminators. The newest exploitation ones documents made it you can to decide twenty (20) basic calving’s add up to the initial attributes. Such farms is actually characterized by the existence of missing, an excellent herd health monitoring, a led reproduction function (generally AI, for not enough a designated bull), the fresh concentrate offers (pure cotton pie otherwise cottonseed and you will commercial malt) on ration feeding and you can rigorous delivery away from silage and you will farming of the factors. Really the only aim of it process sort of is the production and you can income regarding by hand processed whole milk, twice a day (day and nights). The newest focuses was offered to your pet on their come back from grazing plus the fresh morning within milking day.

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